Research/Scholarly/Creative Works

Authored Books

• Watson N. and Arrillaga J. (2018) Power Systems ElectroMagnetic Transients Simulation. (2nd ed.). London, UK: The Institution of Engineering and Technology. 493.

• Arrillaga J., Yonghe HL., Watson NR. and Murray NJ. (2009) Self-Commutating Converters for High Power Applications. Chichester: John Wiley & Sons. 326pp.

• Arrillaga J., Liu YH. and Watson NR. (2007) Flexible Power Transmission: The HVDC Options. Chichester: John Wiley & Sons. 362pp.

• Arrillaga J. and Watson NR. (2003) Power System Harmonics. (2nd ed.). Chichester: John Wiley & Sons. 400.

• Watson NR. and Arrillaga J. (2002) Power Systems ElectroMagnetic Transients Simulation. London: Institution of Electrical Engineers. 421pp.

• Arrillaga J. and Watson N. (2001) Computer Modelling of Electrical Power Systems. (2nd ed.). London: J. Wiley & Sons. 369pp.

• Arrillaga J., Watson NR. and Chen S. (2000) Power System Quality Assessment. London: J. Wiley & Sons. 300pp.

• Arrillaga J., Smith BC., Watson NR. and Wood AR. (1997) Power System Harmonic Analysis. Chichester: John Wiley and Sons. 369pp.

Chapters

• Watson NR. (2012) Power Quality: A New Zealand Perspective. In Nor KM; Salim F; Said DM; Soo M (Ed.), Power Quality Standards & Regulations in Malaysia: 275. Johor Baru: Penerbit UTM Press.

• Arnold CP. and Watson NR. (2006) Power System Analysis Software. In Dorf RC (Ed.), The Electrical Engineering Handbook. Systems, Controls, Embedded Systems, Energy and Machines (3rd ed.): 01/01/13. Boca Raton: CRC Press, Taylor & Francis Group.

• Watson N. and Arrillaga J. (2001) Power Quality. In Lai L (Ed.), Power system restructuring and deregulation, Chapter 10: 330-352. Christchurch: John Wiley & Sons.

• Watson N. and Arnold C. (1997) Power System Analysis Software. In Dorf RC (Ed.), The Electrical Engineering Handbook (2nd ed.) Christchurch: CRC and IEEE Press.

Journal Articles

• Ramzan M., Othman A. and Watson NR. (2023) Comparison of assessment methods for tensors of nonlinear devices. Electric Power Systems Research 219 http://dx.doi.org/10.1016/j.epsr.2023.109237.

• Wang H., Watson JD. and Watson NR. (2023) A Lyapunov-based nonlinear direct power control for grid-side converters interfacing renewable energy in weak grids. Electric Power Systems Research 221 http://dx.doi.org/10.1016/j.epsr.2023.109408.

• Ramzan M., Othman A. and Watson NR. (2022) Tensor-Based Harmonic Analysis of Distribution Systems. Energies 15(20) http://dx.doi.org/10.3390/en15207521.

• Collin AJ., Djokic SZ., Drapela J., Guo Z., Langella R., Testa A. and Watson NR. (2020) Analysis of approaches for modeling the low frequency emission of LED lamps. Energies 13(7) http://dx.doi.org/10.3390/en13071571.

• Khunkitti S., Premrudeepreechacharn S., Siritaratiwat A. and Watson NR. (2020) Power system voltage stability enhancement based on line voltage stability indices in heavily loaded and line outage contingency situations. International Journal of Engineering Research and Technology 13(7): 1635-1648.

• Rodger CJ., Clilverd MA., Mac Manus DH., Martin I., Dalzell M., Brundell JB., Watson NR., Divett T., Thomson NR. and Petersen T. (2020) Geomagnetically Induced Currents and Harmonic Distortion: Storm-Time Observations From New Zealand. Space Weather 18(3) http://dx.doi.org/10.1029/2019SW002387.

• Watson NR. and Watson JD. (2020) An overview of HVDC technology. Energies 13(17) http://dx.doi.org/10.3390/en13174342.

• Khunkitti S., Premrudeepreechacharn S., Chatthaworn R., Thasnas N., Khunkitti P., Siritaratiwat A. and Watson NR. (2019) A comparison of the effectiveness of voltage stability indices in an optimal power flow. IEEJ Transactions on Electrical and Electronic Engineering 14(4): 534-544. http://dx.doi.org/10.1002/tee.22836.

• Khunkitti S., Watson NR., Chatthaworn R., Premrudeepreechacharn S. and Siritaratiwat A. (2019) An improved DA-PSO optimization approach for unit commitment problem. Energies 12(12) http://dx.doi.org/10.3390/en12122335.

• Gallo D., Langella R., Luiso M., Testa A. and Watson NR. (2018) A new test procedure to measure power electronic devices' frequency coupling admittance. IEEE Transactions on Instrumentation and Measurement 67(10): 2401-2409. http://dx.doi.org/10.1109/TIM.2018.2819318.

• Khunkitti S., Siritaratiwat A., Premrudeepreechacharn S., Chatthaworn R. and Watson NR. (2018) A hybrid DA-PSO optimization algorithm for multiobjective optimal power flow problems. Energies 11(9) http://dx.doi.org/10.3390/en11092270.

• Nair N., Martin D., Saha T., Islam S. and Watson N. (2018) Electrical power engineering education down under: Australia and New Zealand are adding energy to their University Curricula. IEEE Power and Energy Magazine 16(5): 64-73. http://dx.doi.org/10.1109/MPE.2018.2844418.

• Stephenson J., Ford R., Nair N., Watson N., Wood A. and Miller AJV. (2018) Smart Grid Research in New Zealand - an overview of the GREEEN Grid research programme. Renewable and Sustainable Energy Reviews 82(1): 1636-1645.

• Watson JD., Watson NR. and Lestas I. (2018) Optimized Dispatch of Energy Storage Systems in Unbalanced Distribution Networks. IEEE Transactions on Sustainable Energy 9(2): 639-650. http://dx.doi.org/10.1109/TSTE.2017.2752964.

• Kwon J., Wang X., Blaabjerg F., Bak C., Wood AR. and Watson N. (2017) Linearized Modeling Methods of AC–DC Converters for an Accurate Frequency Response. IEEE Journal of Emerging and Selected Topics in Power Electronics 5(4): 1526-1541. http://dx.doi.org/10.1109/JESTPE.2017.2688454.

• Suyaroj N., Premrudeepreechacharn S. and Watson NR. (2017) Transient state estimation with the Bergeron transmission line model. Turkish Journal of Electrical Engineering and Computer Sciences 25(2): 806-819. http://dx.doi.org/10.3906/elk-1507-41.

• Watson JD., Watson NR. and Lestas I. (2017) Optimized dispatch of energy storage systems in unbalanced distribution networks. IEEE Transactions on Sustainable Energy.

• Das BP., Watson NR. and Liu Y. (2016) Experimental Evaluation on the Influence of RCD Snubbers in a 3-Level Thyristor Based MLCR CSC. Journal of Engineering (United Kingdom) 2016 http://dx.doi.org/10.1155/2016/2490926.

• Das BP., Watson NR. and Liu YH. (2016) Firing thyristors with negative firing angle using multilevel current reinjection concept: an experimental evaluation. International Journal of Power Electronics 7(3-4): 166-184.

• Kwon JB., Wang X., Blaabjerg F., Bak CL., Wood AR. and Watson NR. (2016) Harmonic instability analysis of a single-phase grid-connected converter using a harmonic state-space modeling method. IEEE Transactions on Industry Applications 52(5): 4188-4200. http://dx.doi.org/10.1109/TIA.2016.2581154.

• Watson JD., Watson NR. and Das B. (2016) Effectiveness of power electronic voltage regulators in the distribution network. IET Generation, Transmission and Distribution 10(15): 3816-3823. http://dx.doi.org/10.1049/iet-gtd.2016.0300.

• Watson JD., Watson NR., Santos-Martin D., Wood AR., Lemon S. and Miller AJV. (2016) Impact of solar photovoltaics on the low voltage distribution network in New Zealand. IET Generation, Transmission & Distribution 10(1): 1-9. http://dx.doi.org/10.1049/iet-gtd.2014.1076.

• Watson JD., Welch J. and Watson NR. (2016) Use of smart-meter data to determine distribution system topology. The Journal of Engineering 2016(5): 94-101. http://dx.doi.org/10.1049/joe.2016.0033.

• Watson NR. (2016) Power-Quality Management in New Zealand. IEEE Transactions on Power Delivery 31(5): 1963-1970. http://dx.doi.org/10.1109/TPWRD.2014.2300819.

• Nazir R., Zhou K., Watson N. and Wood A. (2015) Analysis and synthesis of fractional order repetitive control for power converters. Electric Power Systems Research 124: 110-119. http://dx.doi.org/10.1016/j.epsr.2015.03.005.

• Das BP., Watson NR. and Liu Y. (2014) An investigation into thyristor-based seven-level multi-level current reinjection current source converter. Electric Power Components and Systems 42(2): 203-214. http://dx.doi.org/10.1080/15325008.2013.848498.

• Heffernan WJB., Watson NR. and Watson JD. (2014) Heat-pump performance: voltage dip/sag, under-voltage and over-voltage. The Journal of Engineering 14(12): 640-657. http://dx.doi.org/10.1049/joe.2014.0180.

• Hwang M., Das B., Wood AR., Watson NR. and Liu YH. (2014) Experimental Validation of the Harmonic State-Space Model of a Graetz Bridge Converter. International Transactions on Electrical Energy Systems 24(9): 1343-1355. http://dx.doi.org/10.1002/etep.1787.

• Watson JD., Watson NR., Santos-Martin D., Wood AR., Lemon S. and Miller AJV. (2014) Impact of Solar Photovoltaics on the Low-voltage Distribution Network in New Zealand. The Institution of Engineers Generation, Transmission & Distribution (early access online) http://dx.doi.org/10.1049/iet-gtd.2014.1076.

• Watson NR. and Farzanehrafat A. (2014) Three-phase transient state estimation algorithm for distribution systems. IET Generation, Transmission & Distribution 8(10): 1656-1666. http://dx.doi.org/10.1049/iet-gtd.2013.0755.

• Farzanehrafat A. and Watson NR. (2013) Power Quality State Estimator for Smart Distribution Grids. IEEE Transactions on Power Systems 28(3): 2183-2191.

• Heffernan WJB., Watson NR., Buehler R. and Watson JD. (2013) Harmonic performance of heat-pumps. The Journal of Engineering 2013(9): 31-44. http://dx.doi.org/10.1049/joe.2013.0012.

• Liu YH., Watson NR., Zhou KL. and Yang BF. (2013) Converter System Nonlinear Modelling and Control for Transmission Applications-Part I: VSC Systems. IEEE Transactions on Power Delivery 28(3): 1381-1390. http://dx.doi.org/10.1109/TPWRD.2013.2240020.

• Liu YH., Watson NR., Zhou KL. and Yang BF. (2013) Converter System Nonlinear Modelling and Control for Transmission Applications-Part II: CSC Systems. IEEE Transactions on Power Delivery 28(3): 1391-1401. http://dx.doi.org/10.1109/TPWRD.2013.2250529.

• Medina A., Segundo J., Ribeiro P., Xu W., Lian KL., Chang GW., Dinavahi V. and Watson NR. (2013) Harmonic Analysis in Frequency and Time Domain. IEEE Transactions on Power Delivery 28(3): 1813-1821. http://dx.doi.org/10.1109/TPWRD.2013.2258688.

• Rakpenthai C., Uatrongjit S., Watson NR. and Premrudeepreechacharn S. (2013) On Harmonic State Estimation of Power System with Uncertain Network Parameters. IEEE Transactions on Power System 28(4): 4829-4838. http://dx.doi.org/10.1109/TPWRS.2013.2273943.

• Wang YP. and Watson NR. (2013) A benchmark test system for testing frequency dependent network equivalents for electromagnetic simulations. International Journal of Power and Energy Systems 44(1): 364-374. http://dx.doi.org/10.1016/j.ijepes.2012.04.065.

• Zhou K., Qiu Z., Watson NR. and Liu Y. (2013) Mechanism and elimination of harmonic current injection from single-phase grid-connected PWM converters. IET Power Electronics 6(1): 88-95. http://dx.doi.org/10.1049/iet-pel.2012.0291.

• Das B., Watson N. and Liu Y. (2012) Comparative evaluation of m-level thyristor based MLCR CSC. International Journal of Emerging Electric Power Systems 13(4) http://dx.doi.org/10.1515/1553-779X.2978.

• Yingkayun K., Premrudeepreechacharn S., Watson NR. and Higuchi K. (2012) Power quality monitoring system based on embedded system with network monitoring. Scientific Research and Essays 7(11): 1280-1292. http://dx.doi.org/10.5897/SRE11.1951.

• Das B., Watson N. and Liu Y. (2011) DC Ripple Reinjection: A Review. International Journal of Emerging Electric Power Systems 12(5) Article 6 http://dx.doi.org/10.2202/1553-779X.2810.

• Massie A. and Watson NR. (2011) Impact of the Christchurch earthquakes on the electrical power system infrastructure. Bulletin of the New Zealand Society for Earthquake Engineering 44(4): 425-430. http://dx.doi.org/10.5459/bnzsee.44.4.425-430.

• Rakpenthai C., Uatrongjit S., Ngamroo I. and Watson NR. (2011) Weighted least absolute value power system state estimation using rectangular coordinates and equivalent measurement functions. IEEJ Transactions on Electrical and Electronic Engineering 6(6): 534-539. http://dx.doi.org/10.1002/tee.20692.

• Watson NR. (2011) Power quality in Smart Grids. International Review of Electrical Engineering 6(6): 2684-2688.

• Das BP., Watson N. and Liu Y. (2010) Simulation of voltage controlled tunable all pass filter using LM13700 OTA. World Academy of Science, Engineering and Technology 68: 560-564.

• Murray NJ., Arrillaga J., Watson NR. and Liu YH. (2010) Two-quadrant Power Control for Large-current, Low-voltage Rectification with Reference to Aluminium Smelters. Australian Journal of Electrical & Electronics Engineering 7(3): 119-130.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2010) An interior point method for WLAV state estimation of power system with UPFCs. International Journal of Electrical Power & Energy Systems 32(6): 671-677. http://dx.doi.org/10.1016/j.ijepes.2009.11.026.

• Watson NR. (2010) Impact of the Darfield Earthquake on the Electrical Power System Infrastructure. Bulletin of the New Zealand Society for Earthquake Engineering 43(4): 421-424.

• Watson NR. (2010) Power Quality State Estimation. European Transactions on Electrical Power 20(1): 19-33. http://dx.doi.org/10.1002/etep.357.

• Liu YH., Arrillaga J., Murray N. and Watson NR. (2009) Derivation of a Four-Quadrant Control System for MLCR-HVDC Conversion. IEEE Transactions on Power Delivery 24(4): 2223-2231. http://dx.doi.org/10.1109/TPWRD.2009.2027488.

• Watson NR., Scott TL. and Hirsch SJJ. (2009) Implications for Distribution Networks of High Penetration of Compact Fluorescent Lamps. IEEE Transactions on Power Delivery 24(3): 1521-1528. http://dx.doi.org/10.1109/TPWRD.2009.2014036.

• Liu YH., Arrillaga J. and Watson NR. (2008) Cascaded H-Bridge Voltage Reinjection - Part I: A New Concept in Multi-Level Voltage Source Conversion. IEEE Transactions on Power Delivery 23(2): 1175-1182. http://dx.doi.org/10.1109/TPWRD.2008.917642.

• Liu YH., Arrillaga J. and Watson NR. (2008) Cascaded H-Bridge Voltage Reinjection - Part II: Application to HVDC Transmission. IEEE Transactions on Power Delivery 23(2): 1200-1206. http://dx.doi.org/10.1109/TPWRD.2008.915824.

• Liu YH., Arrillaga J. and Watson NR. (2008) Reinjection concept: a new option for large power and high-quality AC-DC conversion. IET Power Electronics 1(1): 4-13. http://dx.doi.org/10.1049/iet-pel:20070143.

• Murray NJ., Arrillaga J., Liu Y. and Watson NR. (2008) Flexible Reactive Power Control In Multi-Group Current-Sourced HVDC Interconnections. IEEE Transactions on Power Delivery 23(4): 2160-2167. http://dx.doi.org/10.1109/TPWRD.2008.921126.

• Task Force on Frequency Domain Methods for EMT Studies. (2008) Implementation of the Numerical Laplace Transform: A Review (IEEE Task Force Paper). IEEE Transactions on Power Delivery 23(4): 2599-2609.

• Watson NR. (2008) Application of Frequency-dependent Network Equivalents to Electromagnetic Transient Simulation. International Journal of Power and Energy Systems 203(3): 3749. http://dx.doi.org/10.2316/Journal.203.2008.3.203-3749.

• Watson NR. (2008) Application of frequency-dependent network equivalents to electromagnetic transient simulation. International Journal of Power and Energy Systems 28(3): 271-280. http://dx.doi.org/10.2316/journal.203.2008.3.203-3749.

• Liu YH., Arrillaga J. and Watson NR. (2007) Addition of Four-Quadrant Power Controllability to Multi-Level VSC HVDC Transmission. IET Generation, Transmission & Distribution 1(6): 872-878. http://dx.doi.org/10.1049/iet-gtd:20070097.

• Liu YH., Perera LB., Arrilaga J. and Watson NR. (2007) Application of the multi-level current reinjection concept to HVDC transmission. IET Generation, Transmission & Distribution 1(3): 399-404.

• Liu YH., Perera LB., Arrillaga J. and Watson NR. (2007) A Back to Back HVdc Link with Multilevel Current Reinjection Converters. IEEE Transactions on Power Delivery 22(3): 1904-1909. http://dx.doi.org/10.1109/TPWRD.2007.899284.

• Naredo L., Ramirez A., Ametani A., Gutierrez A., Mansoldo A., Gole A., Lima A., Morched A., Gustavsen B. and Wilcox D. (2007) z -Transform-Based Methods for Electromagnetic Transient Simulations (Working Group Paper). IEEE Transactions on Power Delivery 22(3): 1799-1805.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2007) An Optimal PMU Placement Method Against Measurement Loss and Branch Outage. IEEE Transactions on Power Delivery 22(1): 101-107. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2006.881425.

• Testa A., Akram MF., Burch R., Carpinelli G., Chang G., Dinavahi V., Hatziadoniu C., Grady WM., Gunther E. and Halpin M. (2007) Interharmonics: Theory and Modeling. IEEE Transactions on Power Delivery 22(4): 2335-2348.

• Yu KCC. and Watson NR. (2007) An Approximate method for Transient State Estimation. IEEE Transactions on Power Delivery 22(3): 1680-1687. http://dx.doi.org/10.1109/TPWRD.2007.901147.

• Arrillaga J., Liu YH., Perera LB. and Watson NR. (2006) A current reinjection scheme that adds self-commutation and pulse multiplication to the thyristor converter. IEEE Transactions on Power Delivery 21(3): 1593-1599. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2005.861324.

• Collins C., Watson N. and Wood A. (2006) UPFC modelling in the harmonic domain. IEEE Transactions on Power Delivery 21(2): 933-938. http://dx.doi.org/10.1109/TPWRD.2005.864040.

• Liu YH., Arrillaga J., Watson NR. and Perera LB. (2006) Application of the DC-Ripple Reinjection Concept to Forced-Commutated Conversion. International Journal of Emerging Electric Power Systems 5(2) Article 5.

• Watson NR. (2006) Harmonic Assessment of Electrical Power Systems. International Journal of Energy Technology and Policy 4(1/2): 60-73.

• Watson NR. (2006) Harmonic assessment of electrical power systems. International Journal of Energy Technology and Policy 4(1-2): 60-73. http://dx.doi.org/10.1504/ijetp.2006.008541.

• Collins CD., Bathurst GN., Watson NR. and Wood AR. (2005) Harmonic domain approach to STATCOM modelling. IEE Proceedings: Generation, Transmission and Distribution 152(2): 194-200.

• Liu YH., Arrillaga J. and Watson NR. (2005) Capacitor voltage balancing in multi-level voltage reinjection (MLVR) converters. IEEE Transactions on Power Delivery 20(2): 1728-1737. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2004.834348.

• Liu YH., Perera LB., Arrillaga J. and Watson NR. (2005) Pulse multiplication in the self-commutating parallel converter by means of multi-level dc Voltage Reinjection. International Journal of Emerging Electric Power Systems 2(1) Article 1048.

• Madtharad C., Premrudeepreechacharn S., Watson NR. and Saeng-Udom R. (2005) An optimal measurement placement method for power system harmonic state estimation. IEEE Transactions on Power Delivery 20(2): 1514-1521. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2004.841309.

• Perera LB., Liu YH., Arrillaga J. and Watson NR. (2005) A Five Level Reinjection Scheme for High Pulse Voltage Source Conversion. IEE Proceedings on Electric Power Applications 152(2): 209-216.

• Perera LB., Liu YH., Watson NR. and Arrillaga J. (2005) Multi-level current reinjection in double-bridge self-commutated current source conversion. IEEE Transactions on Power Delivery 20(2): 984-991. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2005.844277.

• Perera LB., Watson NR., Liu YH. and Arrillaga J. (2005) Multilevel Current Reinjection self-commutated HVDC Converter. IEE Proceedings on Generation, Transmission and Distribution 152(5): 607-615.

• Perera LB., Watson NR., Liu YH. and Arrillaga J. (2005) Multilevel current reinjection self-commutated HVDC converter. IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION 152(5): 607-615. http://dx.doi.org/10.1049/ip-gtd:2045144.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2005) Measurement Placement for Power System State Estimation Using Decomposition Technique. Electric Power Systems Research 75(1): 41-45.

• Yu KKC., Watson NR. and Arrillaga J. (2005) An adaptive Kalman filter for dynamic harmonic state estimation and harmonic injection tracking. IEEE Transactions on Power Delivery 20(2): 1577-1584. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2004.838643.

• Yu KKC., Watson NR. and Arrillaga J. (2005) Error Analysis in Static Harmonic State Estimation: A Statistical Approach. IEEE Transactions on Power Delivery 20(2): 1045-1050. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2004.833895.

• Arrillaga J., Watson NR. and Bathurst GN. (2004) A multifrequency power flow of general applicability. IEEE Transactions on Power Delivery 19(1): 342-349. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2003.820193.

• Chang G., Hatziadoniu C., Xu W., Ribeiro P., Burch R., Grady WM., Halpin M., Liu Y., Ranade S. and Ruthman D. (2004) Modeling devices with nonlinear Voltage-current Characteristics for harmonic studies (Task Force on Harmonics Modeling and Simulation). IEEE Transactions on Power Delivery 19(4): 1802-1811.

• Chang G., Hatziadoniu C., Xu W., Ribeiro P., Burch R., Grady WM., Halpin M., Liu Y., Ranade S. and Ruthman D. (2004) Modeling devices with nonlinear voltage-current characteristics for harmonic studies. IEEE Transactions on Power Delivery 19(4): 1802-1811. http://dx.doi.org/10.1109/TPWRD.2004.835429.

• Liu YH., Arrillaga J. and Watson NR. (2004) A new STATCOM configuration using multi-level DC Voltage reinjection for high power application. IEEE Transactions on Power Delivery 19(4): 1828-1834. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2004.835425.

• Liu YH., Arrillaga J. and Watson NR. (2004) Multi-level voltage reinjection - a new concept in high power voltage source conversion. IEE Proceedings on Generation, Transmission and Distribution 151(3): 290-298.

• Talacek PJ. and Watson NR. (2004) Valuation of harmonic injection costs. INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS 26(10): 741-749. http://dx.doi.org/10.1016/j.ijeps.2004.05.006.

• Talacek PJ. and Watson NR. (2004) Valuation of harmonic injection costs. International Journal of Electrical Power and Energy Systems 26(10): 741-749.

• Keppler T., Watson NR., Arrillaga J. and Chen S. (2003) Theoretical assessment of light flicker caused by sub- and interharmonic frequencies. IEEE Transactions on Power Delivery 18(1): 329-333. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2002.806690.

• Liu YH., Arrillaga J. and Watson NR. (2003) A new high-pulse voltage-sourced converter for HVDC transmission. IEEE Transactions on Power Delivery 18(4): 1388-1393. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRD.2003.817727.

• Madtharad C., Premrudeepreechacharn S. and Watson NR. (2003) Power system State estimation using singular value decomposition. Electric Power Systems Research 67(2): 99-107. http://dx.doi.org/10.1016/S0378-7796(03)00080-4.

• Wang YP. and Watson NR. (2003) Z-domain frequency-dependent AC-system equivalent for electromagnetic transient simulation. IEE Proceedings on Generation, Transmission and Distribution 150(2): 141-146.

• Watson NR. and Arrillaga J. (2003) Harmonic assessment using electromagnetic transient simulation and frequency-dependent network equivalents. IEE Proceedings Generation, Transmission and Distribution 150(6): 641-650.

• Watson NR. and Arrillaga J. (2003) Harmonics in large systems. Electric Power Systems Research 66(1): 15-29. http://dx.doi.org/10.1016/S0378-7796(03)00068-3.

• Bathurst GN., Arrillaga J., Watson NR. and Wood AR. (2002) Advanced models of the harmonic impedances of AC-DC converters. Proceedings of the IEE Generation, Transmission and Distribution 149(6): 700-704.

• Bathurst GN., Watson NR. and Arrillaga J. (2002) A comparison of converter models for the derivation of the AC system harmonic impedances. IEEE Transactions on Power Systems 17(4): 937-942. http://dx.doi.org/10.1http://dx.doi.org/109/TPWRS.2002.804997.

• Liu Y., Arrillaga J. and Watson NR. (2002) Multi-level voltage sourced conversion by voltage reinjection at six times the fundamental frequency. IEE Proceedings on Electric Power Applications - May 2002 149(3): 201-207.

• Talacek P. and Watson NR. (2002) Marginal pricing of harmonic injections: an analysis of the resulting payments. IEEE Transactions on Power Systems 17(3): 640-645.

• Talacek PJ. and Watson NR. (2002) Marginal pricing of harmonic injections. IEEE Transactions on Power Systems 17(1): 50-56. http://dx.doi.org/10.1http://dx.doi.org/109/59.982192.

• Talacek PJ. and Watson NR. (2002) Marginal Pricing of Harmonic Injections: An Analysis of the Resulting Payments. IEEE Power Engineering Review 22(7): 55. http://dx.doi.org/10.1109/MPER.2002.4312390.

• Wang YP., Watson NR., Hur DR. and Chung HH. (2002) Modified Genetic Algorithm Approach to Design of an Optimal PID Controller for AC-DC Transmission Systems. International Journal of Electrical Power & Energy Systems, Elsevier Science Ltd - January 2002 24(1): 59-69.

• Bathurst GN., Watson NR. and Arrillaga J. (2001) A harmonic domain solution for systems with multiple high-power AC/DC converters. IEE Proceedings - Generation, Transmission and Distribution 148(4): 312-318.

• Burch R., Chang G., Dwyer G., Grady M., Halpin M., Hatziadoniu C., Liu Y., Marz M., Medina A. and Middledanff S. (2001) Characteristics and Modeling of Harmonic Sources - Power Electronic Devices (IEEE Task Force Paper). IEEE Transactions on Power Delivery 16(4): 791-800.

• Burch R., Chang G., Dwyer R., Halpin M., Hatziadoniu C., Liu Y., Marz M., Medina A., Middledanff S. and Natarajan R. (2001) Characteristics and modeling of harmonic sources - Power electronic devices. IEEE Transactions on Power Delivery 16(4): 791-800. http://dx.doi.org/10.1109/61.956771.

• Watson N. (2001) Two tunnels. e.nz magazine : 48.

• Arrillaga J., Bollen MHJ. and Watson NR. (2000) Power quality following deregulation. Proceedings of the IEEE 88(2): 246-261.

• Bathurst GN., Smith BC., Watson NR. and Arrillaga J. (2000) A modular approach to the solution of the three-phase harmonic power-flow. IEEE Transactions on Power Delivery 15(3): 984-989. http://dx.doi.org/10.1http://dx.doi.org/109/61.871363.

• Bathurst GN., Watson NR. and Arrillaga J. (2000) Adaptive frequency selection method for a Newton solution of harmonics and inter-harmonics. IEE Proceedings - Generation, Transmission & Distribution 147(2): 126-130.

• Bathurst GN., Watson NR. and Arrillaga J. (2000) Modeling of bipolar HVDC links in the harmonic domain. IEEE Transactions on Power Delivery 15(3): 1034-1038. http://dx.doi.org/10.1http://dx.doi.org/109/61.871371.

• Keppler T., Watson NR. and Arrillaga J. (2000) Computation of the short-term flicker severity index. IEEE Transactions on Power Delivery 15(4): 1110-1115.

• Van., P L., Wong., P K., Watson., R N., Arrillaga. and J. (2000) A method of utilising non-source measurements for harmonic state estimation. Electrical Power Systems Research 56(3): 231-241.

• Ward AG., Watson NR., Arnold CP., Turner AJ. and Ring BJ. (2000) Inversion of real time spot prices in the direction of real power flow in a transmission line. IEEE Transactions on Power Systems 15(4): 1197-1203. http://dx.doi.org/10.1http://dx.doi.org/109/59.898090.

• Watson NR. (2000) A power system library for educational use. IEEE Power Engineering Review 20(6): 53-54. http://dx.doi.org/10.1http://dx.doi.org/109/39.846113.

• Watson NR. and Irwin GD. (2000) Comparison of Root-matching Techniques for Eletromagnetic Transient Simulation. IEEE Transactions on Power Delivery 15(2): 629-634. http://dx.doi.org/10.1http://dx.doi.org/109/61.852996.

• Watson NR., Arrillaga J. and Du ZP. (2000) Modified symbolic observability for harmonic state estimation. IEE Proceedings - Generation, Transmission & Distribution 147(2): 105-111.

• Watson NR., Arrillaga J. and Du ZP. (2000) Modified symbolic observability for harmonic state estimation. IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION 147(2): 105-111. http://dx.doi.org/10.1049/ip-gtd:20000072.

• Bathurst GN. (1999) Test Systems for Harmonic Modeling and Simulation. Task Force of Harmonics Modeling and Simulation, PE-260-PRRD-0-11-1997. IEEE Transactions on Power Delivery - April 1999 4(2): 586-587.

• Bathurst GN., Smith BC., Watson NR. and Arrillaga J. (1999) Harmonic domain modelling of high pulse converters. Electr. Power Applic - May 1999 146(3): 335-340.

• Du ZP., Arrillaga J., Watson NR. and Chen S. (1999) Identification of harmonic sources of power systems using state estimation, Proc. IEE. Gener. Transm. and Distrib 146(1): 7-12.

• Watson N. (1999) Rational Approximation of Frequency Domain Response - PE-194-PWRD-0-11-1997. Vector Fitting by Gustavsen, B. and Semlyen, A.

• Watson NR. and Irwin GD. (1999) Accurate and stable electromagnetic transient simulation using root-matching techniques. International Journal of Electrical Power and Energy Systems 21(3): 225-234.

• Bathurst GN., Smith BC., Watson NR. and Arrillaga J. (1998) Modelling of HVdc transmission systems in the harmonic domain. IEEE Transactions on Power Delivery - July 1999 14(3): 1075-1080.

• Enright W., Arrillaga J., Watson NR. and Zavahir J. (1998) Modelling multi-limb transformers with an electromagnetic transient program. 46(3): 213-223.

• Enright WG., Arrillaga J., Watson NR. and Zavahir J. (1998) Modelling multi-limb transformers with an electromagnetic transient program. Mathematics & Computers in Simulation 46: 213-223.

• Smith BC., Arrillaga J., Wood AR. and Watson NR. (1998) A review of iterative harmonic analysis for AC-DC power systems. IEEE Trans. on Power Delivery - Jan 1998 13(1): 180-185.

• Smith BC., Watson NR., Wood AR. and Arrillaga J. (1998) Harmonic tensor linearization of hvdc converters. IEEE Trans. on Power Delivery 13(4): 1244-1250.

• Waterworth DA., Arnold CP. and Watson NR. (1998) Reliability assessment of HVDC systems. IPENZ Trans. 25(1): 12-21.

• Waterworth DA., Arnold CP. and Watson NR. (1998) Reliability assessment technique for HVdc systems. Transactions of the Institution of Professional Engineers New Zealand. Electrical, Mechanical, and Chemical Engineering Section 25(1): 12-21.

• Watson NR. and Irwin GD. (1998) Electromagnetic transient simulation of power systems using root-matching techniques. Gener. Transm. and Distrib - September 1998 145(5): 481-486.

• Arrillaga J., Enright W., Watson NR. and Wood AR. (1997) Improved Simulation of HVdc Converter Transformers in Electromagnetic Transient Programs. IEE Proceedings - March 1997 144(2 Pt. C): 100-106.

• Arrillaga J., Enright W., Watson NR. and Wood AR. (1997) Improved simulation of HVDC converter transformers in electromagnetic transient programs. IEE Proceedings: Generation, Transmission and Distribution 144(2): 100-105. http://dx.doi.org/10.1049/ip-gtd:19970849.

• Smith BC., Watson NR., Wood AR. and Arrillaga JA. (1997) A sequence components model of the ac/dc converter in the harmonic domain. IEEE Trans. on Power Delivery 12(4): 1736-1743.

• Du ZP., Arrillaga J. and Watson NR. (1996) Continuous Harmonic State Estimation of Power Systems. IEE Proceedings on Generation, Transmission and Distribution 143(4): 329-336.

• Smith BC., Watson NR., Wood AR. and Arrillaga J. (1996) A Newton Solution for the Harmonic Phasor Analysis of AC/DC Converters. IEEE Transactions on Power Delivery 11(2): 965-971.

• Smith BC., Watson NR., Wood AR. and Arrillaga J. (1996) A Newton Solution for the Steady-State interaction of AC/DC Systems. IEE Proceedings on Generation, Transmission and Distribution 143(2): 200-210.

• Smith BC., Wood AR., Arrillaga J. and Watson NR. (1995) Steady State Model of the AC/DC Converter in the Harmonic Domain. IEE Proceedings on Generation, Transmission and Distribution 142(2): 109-118.

• Dominguez M., Coope ID., Arrillaga J. and Watson NR. (1994) An Adaptive Scheme for the Derivation of Harmonic Impedance Contours. IEEE Transactions on Power Delivery 9(2): 879-886.

• Arrillaga J., MacDonald S., Watson NR. and Watson S. (1993) Direct Connection of Series Self-Excited Generators and HVDC Converters. IEEE Transactions on Power Delivery 8(4): 1860-1866.

• Arrillaga J., MacDonald S., Watson NR. and Watson S. (1993) Series Self-Excited hvdc Generation. IEE Proceedings on Generation, Transmission and Distribution 140(2): 141-146.

• Watson NR. and Hadipurnomo MS. (1993) Gate-Turn-Off Thyristor Inverters Tapping HVDC Lines to Supply Remote Areas. Transactions of the Institution of Professional Engineers New Zealand 20: 15-21.

• Zavahir JM., Arrillaga J. and Watson NR. (1993) Hybrid Electromagnetic Transient Simulation with the State Variable Representation of HVDC Converter Plant. IEEE Transactions on Power Delivery 8(3): 1591-1598.

• Arrillaga J., Sankar S., Arnold CP. and Watson NR. (1992) Characteristic of Unit-Connected HVDC Generator-Convertors Operating at Variable Speeds. IEE Proceedings on Generation, Transmission and Distribution 139(3): 259-299.

• Zavahir JM., Arrillaga J. and Watson NR. (1992) Interfacing State-Variable Models with Electromagnetic Transient Simulation Programmes. Journal of Electrical and Electronics Engineering - IE Aust. and IREE Aust. 12(4): 362-370.

• Arrillaga J., Sankar S., Watson NR. and Arnold CP. (1991) Operational Capability of Generator-HVDC Convertor Units. IEEE Transactions on Power Delivery 6(3): 1171-1176.

• Joosten APB., Arrillaga J., Arnold CP. and Watson NR. (1990) Simulation of HV DC System Disturbances with Reference to the Magnetizing History of the Convertor Transformer. IEEE Transactions on Power Delivery 5(1): 330-336.

• Watson NR. and Arrillaga J. (1989) ACREP - An Interactive Program for Processing and Displaying Power System Information. Transactions of the Institution of Professional Engineers New Zealand 16(1): 1-6.

• Watson NR. and Arrillaga J. (1989) ACREP - an interactive program for processing and displaying power system information. Transactions of the Institution of Professional Engineers New Zealand. Electrical, Mechanical, and Chemical Engineering Section 16(1): 1-6.

• Watson NR., Arrillaga J. and Arnold CP. (1989) Simulation of HV DC System Disturbances with Frequency-Dependent AC-System Models. IEE Proceedings on Generation, Transmission and Distribution 136(1): 9-14.

• Watson NR., Arrillaga J. and Arnold CP. (1989) Simulation of HV DC system disturbances with reference to the frequency dependence of the AC system. IEE Proceedings C: Generation Transmission and Distribution 136 -C(1): 9-14. http://dx.doi.org/10.1049/ip-c.1989.0002.

• WATSON NR., ARRILLAGA J. and ARNOLD CP. (1989) SIMULATION OF HV DC SYSTEM DISTURBANCES WITH REFERENCE TO THE FREQUENCY-DEPENDENCE OF THE AC SYSTEM. IEE PROCEEDINGS-C GENERATION TRANSMISSION AND DISTRIBUTION 136(1): 9-14.

• Watson NR. and Arrillaga J. (1988) Frequency-Dependent A.C. System Equivalents for Harmonic Studies and Transient Convertor Simulation. IEEE Transactions on Power Delivery 3(3): 1196-1203.

• Arrillaga J., Watson NR., Eggleston JF. and Callaghan CD. (1987) Comparison of Steady-State and Dynamic Models for the Calculation of AC/DC System Harmonics. IEE Proceedings on Generation, Transmission and Distribution 134: 31-37.

• Arrillaga J., Eggleston JF. and Watson NR. (1985) ANALYSIS OF THE AC VOLTAGE DISTORTION PRODUCED BY CONVERTER-FED DC DRIVES.. IEEE Transactions on Industry Applications IA-21(6): 1409-1417. http://dx.doi.org/10.1109/TIA.1985.349597.

• Arrillaga J., Eggleston JF. and Watson NR. (1985) Analysis of the AC Voltage Distortion Produced by Convertor-Fed DC Drives. IEEE Transactions on Industry Applications 21(6): 1409-1417.

Conference Contributions - Published

• Ramzan M., Othman A. and Watson NR. (2022) Accurate Harmonic Analysis of Distribution Systems. In 2022 7th IEEE Workshop on the Electronic Grid, eGRID 2022 http://dx.doi.org/10.1109/eGRID57376.2022.9990007.

• Wang H., Liu Y. and Watson NR. (2022) Enhanced Grid-tie Converter Control under Unbalanced Conditions with no PLL. In 2022 7th IEEE Workshop on the Electronic Grid, eGRID 2022 http://dx.doi.org/10.1109/eGRID57376.2022.9990009.

• Castellanos-Escamilla A., Watson N. and Langella R. (2020) Transient State Estimation for Transmission Systems. In Proceedings of Int. Conf. on Harmonics & Quality of Power 2020.

• Curci A., Langella R., Testa A., Marziani M., Yanchenko S. and Watson N. (2020) Harmonic Modelling and Experimental Validation of an Inverter-Driven Heat-pump. In 12th AEIT International Annual Conference, AEIT 2020 http://dx.doi.org/10.23919/AEIT50178.2020.9241094.

• Drapela J., Haplin M., Langella R., Meyer J., Mueller D., Sharma H., Testa A., Watson N. and Zech D. (2020) Issues and Challenges Related to Interharmonic Distortion Limits. In Proceedings of Int. Conf. on Harmonics & Quality of Power 2020.

• Watson NR., Watson RM., Paterson T., Russell G., Ellerington M. and Langella R. (2020) Power Quality of a bidirectional Electric Vehicle charger. In Proceedings of Int. Conf. on Harmonics & Quality of Power 2020.

• Collin AJ., Drapela J., Langella R., Testa A., Djokic SZ. and Watson NR. (2019) Harmonic modelling of LED lamps by means of admittance frequency coupling matrices. In Proceedings of IEEE Milan PowerTech, PowerTech 2019 http://dx.doi.org/10.1109/PTC.2019.8810803.

• Caicedo JE., Romero AA., Zini HC., Langella R., Meyer J. and Watson NR. (2018) Impact of reference conditions on the frequency coupling matrix of a plug-in electric vehicle charger. In Proceedings of International Conference on Harmonics and Quality of Power ( ICHQP): 6. IEEE. http://dx.doi.org/10.1109/ICHQP.2018.8378898.

• Langella R., Testa A., Caicedo JE., Romero AA., Zini HC., Meyer J. and Watson NR. (2018) On the use of fourier descriptors for the assessment of frequency coupling matrices of power electronic devices. In Proceedings of International Conference on Harmonics and Quality of Power (ICHQP): 6. IEEE. http://dx.doi.org/10.1109/ICHQP.2018.8378908.

• Martin D. and Watson NR. (2018) Statistical analysis of Australian and New Zealand Power Transformer Catastrophic Fires. In CMD 2018 - Proceedings http://dx.doi.org/10.1109/CMD.2018.8535670.

• Watson JD. and Watson NR. (2018) Impact of electric vehicle chargers on harmonic levels in New Zealand. In ISGT-Asia 2017 Proceedings: 6. http://dx.doi.org/10.1109/ISGT-Asia.2017.8378374.

• Watson JD. and Watson NR. (2018) Impact of residential PV on harmonic levels in New Zealand. In ISGT-Europe 2017 Proceedings: 1-6. http://dx.doi.org/10.1109/ISGTEurope.2017.8260144.

• Bhujel D., Watson NR. and Jalal TS. (2017) Application of harmonic state estimation to a distribution system. In 2017 IEEE Manchester PowerTech, Powertech 2017 http://dx.doi.org/10.1109/PTC.2017.7981074.

• Gallo D., Landi C., Langella R., Luiso M., Testa A. and Watson N. (2017) On the Measurement of Power Electronic Devices' Frequency Coupling Admittance. In AMPS 2017 - IEEE International Workshop on Applied Measurements for Power Systems, Proceedings http://dx.doi.org/10.1109/AMPS.2017.8078335.

• Watson JD., Watson NR. and IEEE. (2017) Impact of Electric Vehicle Chargers on Harmonic Levels in New Zealand. In 2017 IEEE INNOVATIVE SMART GRID TECHNOLOGIES - ASIA (ISGT-ASIA): 341-346.

• Watson N. (2017) HVDC Transmission Systems. In Proceedings of ISGT Europe 2017.

• Campbell M., Miller AJV. and Watson NR. (2016) Impacts of new technologies on load profiles. In Proceedings of EEA Conference 2016.

• Jar B., Miller AJV. and Watson NR. (2016) Rapid EV Chargers: Implementation of a Charger. In Proceedings of EEA Conference 2016.

• Kwon J., Wang X., Bak CL., Blaabjerg F., Hwang M., Wood AR., Watson N. and Esparza M. (2016) Measurement of phase dependent impedance for 3-phase diode rectifier. In Proceedings of IECON 2016 - 42nd Annual Conference of the IEEE http://dx.doi.org/10.1109/IECON.2016.7793253.

• Miller AJV., Strahan R., Mcnab S., Crownshaw T., Pandey S., Watson NR., Lemon SM. and Wood AR. (2016) Guideline for the connection of small-scale inverter based distributed generation. In Proceedings of EEA Conference 2016.

• Nazir R., Wood A., Laird H. and Watson N. (2016) An adaptive repetitive controller for three-phase PWM regenerative rectifiers. In 2015 International Conference on Renewable Energy Research and Applications, ICRERA 2015: 1126-1131. http://dx.doi.org/10.1109/ICRERA.2015.7418585.

• Strahan R., McNab S., Pandey S., Lemon S., Miller A., Crownshaw T., Watson N. and Wood A. (2016) New Zealand Guideline for the Connection of PV Solar Power and Determining Hosting Capacity for PV Solar Power. In Betancourt U; Ackermann T (Eds). Proceedings 6th International Workshop on Integration of Solar into Power Systems 6th: 396-403.

• Wijaya H., Watson N. and Bonnett G. (2016) The Power Quality trend in a New Zealand Distribution Company. In Proceedings of EEA Conference 2016 Electrical Engineers' Association NZ.

• Campbell M., Watson NR. and Miller A. (2015) Smart meters to monitor power quality at consumer premises. In Proceedings of Electricity Engineers' Association Conference (EEA) 2015.

• Hwang M., Wood A., Watson NR. and Miller A. (2015) Electric vehicles and demand response: an economic perspective. In Proceedings of Electricity Engineers' Association Conference (EEA) 2015.

• Suyaroj N., Premrudeepreechacharn S. and Watson NR. (2015) Transients State Estimation with measurement noise. In ECTI-CON 2015 - 2015 12th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology http://dx.doi.org/10.1109/ECTICon.2015.7207111.

• Watson NR. and Miller A. (2015) Power Quality Indices. In Proceedings of EEA Conference 2015.

• Nazir R., Zhou K., Watson NR. and Wood A. (2014) Frequency adaptive repetitive control of grid-connected inverters. In Proceedings - 2014 International Conference on Control, Decision and Information Technologies, CoDIT 2014: 584-588. http://dx.doi.org/10.1109/CoDIT.2014.6996960.

• Watson JD., Watson NR., Santos-Martin D., Lemon S., Wood AR. and Miller A. (2014) Low Voltage Network Modelling. In Proceedings of Electricity Engineers' Association Conference 2014.

• Watson NR., Gosbell V., Perera S. and Elphick S. (2014) Power Quality Management. In Proceedings of Electricity Engineers' Association Conference 2014.

• Balasubramaniam K., Venayagamoorthy GK. and Watson N. (2013) Cellular neural network based situational awareness system for power grids. In Proceedings of the International Joint Conference on Neural Networks http://dx.doi.org/10.1109/IJCNN.2013.6707108.

• Balasubramaniam K., Venayagamoorthy GK. and Watson NR. (2013) CNN based Power System Transient Stability Margin and Voltage Stability Index Predictions. In 2013 IEEE Symposium on Computational Intelligence Applications In Smart Grid (CIASG): 13-20.

• Lapthorn A. and Watson NR. (2013) Smart Grid in a New Zealand Context. In Proceedings of EEA Conference 2013.

• Suyaroj N., Premrudeepreechacharn S. and Watson NR. (2013) Power System Transients State Estimation. In Proceedings of the IEEE 2013 TENCON-Spring Conf..

• Watson NR. and Farzanehrafat A. (2013) Identification of the Sources of Transient Disturbances. In Proceedings of the International Conference on Power Systems Transients (IPST 2013).

• Chang GW., Ranade S., Watson NR. and Bollen MHJ. (2012) Monitoring issues and analysis techniques-smart grid aspect of power quality. In Proceedings of 15th IEEE Int. Conf. on Harmonics and Quality of Power (ICHQP),.

• Das BP., Watson NR. and Liu Y. (2012) Influence of zero width period on the AC-side line current harmonics of 5-level MLCR CSC. In Proceedings of the 2012 IEEE International Conference on Power System Technology, POWERCON 2012 http://dx.doi.org/10.1109/PowerCon.2012.6401306.

• Das BP., Watson NR. and Liu Y. (2012) m-level thyristor based MLCR CSC: A comparative study. In Proceeding of the EEE/PES International Conference on Power Systems Technology (PowerCon 2012) http://dx.doi.org/10.1109/PowerCon.2012.6401300.

• Farzanehrafat A. and Watson NR. (2012) The use of transient state estimation for voltage dip/sag assessment. In Proceedings of the IEEE PES International Conference on Power System Technology (PowerCon 2012) http://dx.doi.org/10.1109/PowerCon.2012.6401465.

• Watson NR., Farzanehrafat A. and Perera S. (2012) Power quality state estimation: A new concept. In Proceedings of the 2012 Electricity Engineers' Association Conference (EEA).

• Watson NR., Orillaza JRC. and Hardie S. (2012) Harmonic planning levels in New Zealand medium voltage networks. In Proceedings of International Conference on Harmonics and Quality of Power, ICHQP: 569-572. http://dx.doi.org/10.1109/ICHQP.2012.6381172.

• Das B., Watson N. and Liu Y. (2011) Mains Frequency Counter using Phase Lock Loop. In Proceedings of the 6th International Symposium on Electronic Design, Test and Application (DELTA 2011): 25-28.

• Das BP., Watson N. and Liu Y. (2011) 6-pulse controlled rectifier synchronisation method. In IAPEC 2011: 40-45. http://dx.doi.org/10.1109/IAPEC.2011.5779861.

• Das BP., Watson N. and Liu Y. (2011) Comparative Study between Gate Firing Units for CIGRE Benchmark HVDC Rectifier. In Proceedings of the 2011 6th IEEE Conference on Industrial Electronics and Applications, ICIEA 2011: 299-306. http://dx.doi.org/10.1109/ICIEA.2011.5975598.

• Das BP., Watson N. and Liu Y. (2011) Hardware Implementation of Quadrature Phase Shifter using Commercial OTA. In Proceedings of the 6th International Symposium on Electronic Design, Test and Application (DELTA 2011): 29-33.

• Das BP., Watson N. and Liu Y. (2011) Simulation study of conventional and hybrid HVDC rectifier based on CIGRÉ benchmark model using PLL-less synchronisation scheme. In PEOCO 2011: 312-317. http://dx.doi.org/10.1109/PEOCO.2011.5970433.

• Das BP., Watson NR. and Liu Y. (2011) Mains Synchronisation for Thyristor Rectifiers. In APPEEC 2011: 1-7. http://dx.doi.org/10.1109/APPEEC.2011.5748540.

• Hassani M., Mekhilef S., Patrick Hu A. and Watson NR. (2011) A novel MPPT algorithm for load protection based on output sensing control. In Proceedings of the International Conference on Power Electronics and Drive Systems: 1120-1124. http://dx.doi.org/10.1109/PEDS.2011.6147400.

• Liu YH., Wu HW. and Watson NR. (2011) Nonlinear Control of Asynchronous BTB-Link. In APPEEC 2011: 1-5. http://dx.doi.org/10.1109/APPEEC.2011.5748577.

• Watson NR., Hardie S., Gosbell V., Elphick S. and Perera S. (2011) Development of PQ Guidelines for New Zealand. In Proceedings of EEA Conference 2011.

• Das BP., Orillaza J., Watson N. and Liu Y. (2010) Electronically Tunable PI Controller for Type 2 2nd Order PLL. In Proceedings of the 2010 International Conference on Measurement and Control Engineering: 75-79.

• Das BP., Watson N. and Liu Y. (2010) Electronically Tunable PLL Controller Design Using OTA. In ICECS 2010: 198-202. http://dx.doi.org/10.1109/ICECS.2010.5724488.

• Das BP., Watson N. and Liu Y. (2010) Frequency-to-voltage conversion using OTA. In ICEIE 2010 2: 86-90. http://dx.doi.org/10.1109/ICEIE.2010.5559718.

• Das BP., Watson N. and Liu Y. (2010) Sinusoidal Frequency Division Using OTA. In Proceeding of 3rd IEEE Int. Conference on Computer and Electrical Engineering.

• Das BP., Watson N. and Liu Y. (2010) Wide tunable all pass filter using OTA as active component. In ICSES'10: 379-382.

• Das BP., Watson N. and Liu YH. (2010) Bipolar OTA based voltage controlled sinusoidal oscillator. In International Conference on Circuits, Systems and Signals - Proceedings: 101-105.

• Das BP., Watson NR. and Liu YH. (2010) Voltage controlled tunable all pass filter using LM13700 Operational Transconductance Amplifier. In ISSSE 2010: 1-4. http://dx.doi.org/10.1109/ISSSE.2010.5607018.

• Farzanehrafat A. and Watson N. (2010) Power Quality. In Proceedings of the APEX 10 Southern Summit Shaping the Future: Engineering Challenges & Opportunities.

• Farzanehrafat A. and Watson NR. (2010) Review of Power Quality State Estimation. In AUPEC 2010: 1-5.

• Hardie S. and Watson N. (2010) Power Quality implications of new residential appliances. In Proceedings of the 2010 Electricity Engineers' Association (EEA) Annual Conference.

• Hardie S. and Watson N. (2010) The effect of new residential appliances on Power Quality. In AUPEC 2010: 1-6.

• Schinkelshoek M., Watson N. and Heffernan B. (2010) The characteristics of CFLs: Beyond the harmonics. In Proceedings of the 20th Australasian Universities Power Engineering Conference (AUPEC 2010).

• Watson N. (2010) Power Quality: A New Zealand Perspective. In Proceedings of the Power Quality Symposium 2010.

• Watson NR., Hardie S., Lawrence J., Heffernan B., Scott T. and Hirsch S. (2010) Power Quality Management in New Zealand. In Proceeding of the CIGRE Session 2010.

• Watson NR., Hardie S., Scott T. and Hirsch S. (2010) Improving Rural Power Quality in New Zealand. In Proceedings of EEA Conference 2010.

• Frater LP., Wood AR. and Watson NR. (2009) Harmonic Modelling of Non-Linear Devices in Electrical Networks. In.

• Hardie S. and Watson NR. (2009) Harmonic assessment of the impact of rural irrigation pumps. In.

• Hardie S., Watson N. and Gosbell V. (2009) An Investigation of Excessive Rural Network Harmonic Levels Caused by Particular Irrigation Pumps. In.

• Hardie S., Watson N. and Gosbell V. (2009) Rural high harmonic levels - irrigation pumps can be a factor. In.

• Murray NJ., Arrillaga J., Watson NR. and Liu YH. (2009) Four quadrant multilevel current source power condinitioning for superconductive magnetic energy storage. In AUPEC 2009: 1-5.

• Watson NR. (2009) Power Quality State Estimation. In.

• Watson NR. (2009) Responsibility for Power Quality Issues. In.

• Arrillaga J. and Watson N. (2008) The Harmonic Domain Revisited. In.

• Frater L., Watson N. and Wood A. (2008) Linearisation of non-linear loads by phase dependent frequency coupling admittance matrices. In.

• Heffernan WJB., Frater LP. and Watson NR. (2008) LED Lighting for Industrial, Commercial and Institutional Premises. In.

• Watson N. and Yu K. (2008) Transient State Estimation. In.

• Wei Z., Watson N. and Frater L. (2008) Modelling of compact fluorescent lamps. In.

• Frater LP. and Watson NR. (2007) Light flicker sensitivity of high efficiency Compact Fluorescent Lamps. In.

• Heffernan WJB., Frater LP. and Watson NR. (2007) LED replacement for fluorescent tube lighting. In Proceedings of the Australasian Universities Power Engineering Conference (AUPEC) 2007: 6pp. http://dx.doi.org/10.1109/AUPEC.2007.4548064.

• Murray N., Arrillaga J., Watson NR. and Liu YH. (2007) Improved Simulation of an HVDC Test Case through Power-flow Initialization. In Proceedings of IPST'07: 6pp.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2007) An optimal PMU placement method against measurement loss and branch outage. In 2007 IEEE Power Engineering Society General Meeting, PES http://dx.doi.org/10.1109/PES.2007.385607.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2007) PMU-Based Two Stages State Estimation for Power System with Nonlinear Devices. In.

• Watson NR. (2007) Advances in DC Interconnections. In.

• Watson NR. (2007) Improved Fitting of z-Domain Frequency Dependent Network Equivalents for Electromagnetic Transient Simulation. In.

• Watson NR. and Arrillaga J. (2007) Incorporation of VSC Transmission in Power-Flow Simulation. In.

• Watson NR., Scott T. and Hirsch S. (2007) Compact Fluorescent Lamps (CFL) - Implications for Distribution Networks. In Proceedings of The Electric Energy Society of Australia (EESA) 83rd Annual National Conference.

• Liu YH., Arrillaga J., Watson NR. and Wood AR. (2006) Multi-level voltage reinjection VSC HVDC transmission. In The 8th IEE International Conference on AC and DC Power Transmission (ACDC 2006): 130-134.

• Liu YH., Watson NR., Arrillaga J. and Perera LB. (2006) Multi-level Current Reinjection CSC for STATCOM Application. In PowerCon 2006: 1-5. http://dx.doi.org/10.1109/ICPST.2006.321793.

• Liu YH., Watson NR., Arrillaga J., Perera LB. and IEEE. (2006) Multi-level current reinjection CSC for STATCOM application. In 2006 INTERNATIONAL CONFERENCE ON POWER SYSTEMS TECHNOLOGY: POWERCON, VOLS 1- 6: 2785-+.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2006) State Estimation of Power System with UPFC Using Interior Point WLAV Method. In Proceedings of the 38th North American Power Symposium: 411-415. http://dx.doi.org/10.1109/NAPS.2006.359605.

• Watson NR., Scott T. and Hirsch S. (2006) Compact Fluorescent Lamps (CFL) - Implications for Distribution Networks. In Empowering NZ - The engineering, economic and environmental balance.

• Collins CD., Watson NR. and Wood AR. (2005) Unbalanced SSSC Modelling in the Harmonic Domain. In.

• Frater L., Watson N. and Lawrence J. (2005) Fluorescent Light Flicker Caused by Load Management Signals. In.

• Liu Y., Zhang R., Arrillaga J. and Watson NR. (2005) An overview of self-commutating converters and their application in transmission and distribution. In.

• Liu YH., Arrillaga J. and Watson NR. (2005) STATCOM Performance of A Multi-Level Voltage Reinjection Converter. In.

• Liu YH., Arrillaga J., Watson NR. and Perera LB. (2005) Application of the DC-Ripple Reinjection Concept to Forced-Commutated Conversion. In.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2005) An Improved PMUs Placement Method for Power System State Estimation. In.

• Watson NR. (2005) Advanced Harmonic Assessment. In : 907-912.

• Watson NR. (2005) Advanced harmonic assessment. In 2005 IEEE Power Engineering Society General Meeting 3: 2230-2235.

• Yu KKC. and Watson NR. (2005) A Comparison of Transient Simulation with EMTDC and State Space Diakoptical Segregation Methodology. In.

• Yu KKC. and Watson NR. (2005) Identification of Fault Locations Using Transient State Estimation. In.

• Arrillaga J., Watson NR. and Liu YH. (2004) Flexible Interconnections for the Deregulated Electricity Market. In.

• Arrillaga J., Watson NR., Perera LB. and Liu YH. (2004) Pulse multiplication in forced-commutated current source converters by DC ripple reinjection. In.

• Chang G., Hatziadoniu C., Xu W., Ribeiro P., Burch R., Grady WM., Halpin M., Liu Y., Ranade S. and Ruthman D. (2004) Modeling of components with nonlinear voltage-current characteristics for harmonic studies. In 2004 IEEE Power Engineering Society General Meeting 1: 769-772.

• Collins CD., Wood AR. and Watson NR. (2004) Unbalanced STATCOM Analysis in the Harmonic Domain. In.

• Liu YH., Perera LB., Arrillaga J. and Watson NR. (2004) Harmonic reduction in the double bridge parallel converter by multi-level DC voltage reinjection. In.

• Poudel S. and Watson NR. (2004) Assessment of Light Flicker Mitigation using Shunt Compensators. In.

• Rakpenthai C., Premrudeepreechacharn S., Uatrongjit S. and Watson NR. (2004) Measurement placement for power system state estimation by decomposition technique. In.

• Yu K., Watson NR. and Arrillaga J. (2004) Influence of transformer configuration on measurement placement in harmonic state estimation. In.

• Yu K., Watson NR. and Arrillaga J. (2004) Three phase harmonic state estimation using SVD for partially observable systems. In.

• Liu Y., Arrillaga J. and Watson NR. (2003) A STATCOM Configuration For Very Low Voltage Distortion. In.

• Liu Y., Arrillaga J. and Watson NR. (2003) EMTDC Assessment of A New Type Of VSC For Back To Back HVdc Interconnections. In.

• Liu YH., Arrillaga J. and Watson NR. (2003) Neutral Point Reinjection for a Low Distortion Three Phase Bridge Voltage Source Converter. In.

• Liu YH., Watson NR. and Arrillaga J. (2003) A New Concept for the Control of the Harmonic Content of Voltage Source Converters. In.

• Madtharad C., Premrudeepreechacharn S., Watson NR. and Saenrak D. (2003) Measurement Placement Method for Power System State Estimation: Part I. In.

• Watson NR. (2003) Accuracy of Discretization Methods for Electromagnetic Transient Simulation. In.

• Arrillaga J. and Watson NR. (2002) Enhanced Time Domain Methodology for Use in Power Systems Harmonic Analysis. In : 5.

• Arrillaga J., Watson NR. and Bathurst GN. (2002) Unified Newton framework for the steady state simulation of networks with multiple ac-dc converters. In.

• Arrillaga J., Wood AR., Hume D., Watson NR. and Bathurst GN. (2002) Line-Commutated Variable Speed Drive - Part I: Harmonic Cross-Modulation. In : 734-737.

• Bathurst GN., Arrillaga J. and Watson NR. (2002) Harmonic Modelling of networks containing line-commutated voltage source converters. In : 1.

• Bathurst GN., Watson NR., Arrillaga J. and Wood AR. (2002) Line-Commutated Variable Speed Drive - Part II: Analysis in the harmonic domain. In : 356-362.

• Keppler T., Watson NR. and Arrillaga J. (2002) Modelling of Flicker Propogation. In.

• Liu YH., Arrillaga J. and Watson NR. (2002) A Four quadrant 36-pulse Back to Back HVdc interconnector. In.

• Liu YH., Arrillaga J. and Watson NR. (2002) An alternative switching configuration for multi-level Voltage Sourced Converters. In.

• Madtharad C., Premrudeepreechacharn S. and Watson NR. (2002) An Optimal Measurement Placement Method for Power System Harmonic State Estimation. In : 545-554.

• Wang YP., Arrillaga J., Watson NR., Park HC. and Chong HH. (2002) Harmonic State Estimation: Optimal Placement of Measurements using Genetic Algorithms. In : 534-544.

• Wang YP., Watson NR. and Chong HH. (2002) Z-domain frequency-dependent network equivalents for electromagnetic transient studies. In : 611-620.

• Arrillaga J., Bathurst GN. and Watson NR. (2001) Adaptive Derivation of Inter-harmonics in Variable Speed Drives. In.

• Arrillaga J., Clark R. and Watson NR. (2001) Distortion-free integral cycle control of multiple resistive loads. In.

• Arrillaga J., Clarke RD. and Watson NR. (2001) Distortion-free integral cycle control of multiple resistive loads. In Proceedings of the Universities Power Engineering Conference 36: 483.

• Bathurst GN., Arrillaga J., Watson NR. and Smith B. (2001) Interactive AC-DC harmonic and interharmonic analysis. In London: 91-95.

• Keppler T., Watson NR., Arrillaga J. and Chen S. (2001) Digital implementation of a frequency domain based flickermeter. In : 169-174.

• Keppler T., Watson NR., Chen S. and Arrillaga J. (2001) Digital flickermeter realisations in the time and frequency domains. In.

• Arrillaga J. and Watson N. (2000) Harmonic standards in the future. In : 5pp.

• Matair SS., Watson NR., Wong KP., Pham VL. and Arrillaga J. (2000) Harmonic State Estimation: A Method for Remote Harmonic Assessment In A Deregulated Utility Network. In.

• Pham VL., Wong KP., Watson N. and Arrillaga J. (2000) Sub-harmonic state estimation in power systems. In 2000 IEEE Power Engineering Society, Conference Proceedings 2: 1168-1173. http://dx.doi.org/10.1109/PESW.2000.850111.

• Van., P L., Wong. and P K. (2000) Subharmonic state estimation in power systems. In : 6p.

• Wang YP., Hur DR., Chung HH., Watson NR., Arrillaga J. and Matair S. (2000) A Genetic Algorithms Approach to design an Optimal PI Controller for Static VAR Compensator. In.

• Wang YP., Hur DR., Chung HH., Watson NR., Arrillaga J. and Matair S. (2000) Design of an Optimal PID Controller in AC-DC Power Systems Using Modified Genetic Algorithm. In.

• Ward AG., Watson NR., Arnold CP., Turner AJ. and Ring BJ. (2000) Inversion of real time spot prices in the direction of real power flow in a transmission line. In Proceedings of the IEEE Power Engineering Society Transmission and Distribution Conference 3: 1624.

• Watson NR. and Arrillaga J. (2000) Harmonic standards in the future - Panel session IEEE/PES Winter Meeting 2000 (Singapore). In 2000 IEEE POWER ENGINEERING SOCIETY WINTER MEETING - VOLS 1-4, CONFERENCE PROCEEDINGS: 2843-2845. IEEE.

• Watson NR., Ying CK. and Arnold CP. (2000) Global power quality index for aperiodic waveforms. In : 1029-1034.

• Enwright WG., Nayak O. and Wason NR. (1999) A five limb unified magnetic equivalent circuit transformer. In : 462-467.

• Keppler T., Arrillaga J., Chen S. and Watson NR. (1999) Digital time and frequency domain based flicker measurement. In : 733-738.

• Parsotam AK. and Ward AG. (1999) Power system harmonic survey of a distribution system. In.

• Ward AG., Arnold CP. and Watson NR. (1999) Reactive power generation costs and their effect on real and reactive power spot prices. In : 264-269.

• Watson NR., Arnold CP., Anderson G. and Arrillaga J. (1999) Stability considerations for back to back dc interconnections between weak ac power systems. In : 6.

• Watson NR., Gole AM. and Irwin GD. (1999) Z-domain frequency-dependent network equivalents for electromagnetic transient studies. In : 37-42.

• Watson NR., Irwin GD. and Nayak O. (1999) Control modelling in electromagnetic transient simulations. In : 544-548.

• Bathurst GN. and Smith BC. (1998) A modular approach to the solution of three-phase harmonic power flow. In : 653-659.

• Bathurst GN., Smith BC., Watson NR. and Arillaga J. (1998) A modular approach to the solution of the three-phase harmonic power-flow. In Proceedings of International Conference on Harmonics and Quality of Power, ICHQP 2: 653-659. http://dx.doi.org/10.1109/ICHQP.1998.760123.

• Du ZP., Arrillaga J., Watson NR. and Chen S. (1998) Implementation of Harmonic State Estimation. In : 273-278.

• Smith BC. and Bathurst GN. (1998) A graphics package for the simulation of AC-DC harmonic interaction. In : 407-411.

• Watson N. and Arrillaga J. (1998) Advances in electromagnetic transient simulation of power systems. In : 28-30.

• Watson NR. and Enright W. (1998) Generation of Difference Equations for the Simulation of Electromagnetic Transients with Large Time Steps. In : 241-246.

• Watson NR., Arrillaga J., Smith BC. and Bathurst GN. (1998) A graphical interface for interactive ac/dc system harmonic analysis. In : 407-411.

• Bathurst GN., Smith BC., Watson BR. and Arrillaga J. (1997) Analysis of the HVdc inverter in the harmonic domain. In : 1260-1265.

• Du ZP., Arrillaga J., Watson NR. and Chen S. (1997) Harmonic state estimation of power systems: Theory and implementation. In : 427-430.

• Lisboa MLV., Arrillaga J. and Watson NR. (1997) Zero-sequence harmonic distribution in three-phase multilimb transformers. In : 383-386.

• O'Brien MT., Kumble CS. and Watson NR. (1997) Overview of the management of harmonic interference problems in the New Zealand transmission system. In : 311-317.

• Watson NR., Smith BC., Bathurst G. and Arrillaga J. (1997) Interactive Analysis of Converter Harmonics. In : 199-204.

• Arrillaga J., Watson NR., Wood AR. and Smith BC. (1996) Representation of HVDC Converters when Deriving Harmonic Impedances for Filter Design. In : 158-162.

• Du ZP., Arrillaga J. and Watson NR. (1996) A New Symbolic Method of Observability Analysis for Harmonic State Estimation of Power Systems. In 1: 431-435.

• Enright W., Arrillaga J., Watson NR. and Zavahir M. (1996) Modelling Multi-limb transformers with an Electromagnetic Transient Program. In : 41-46.

• Enright W., Arrillaga J., Wood AR. and Watson NR. (1996) The Use of a Magnetic Equivalent Circuit to Predict the Magnetizing Current Distribution between Transformer Windings. In : 292-298.

• Horner JG. and Watson NR. (1996) A High-Pulse Voltage Source Inverter using Synthetic Pulse Multiplication. In : 188-195.

• Keppler T., Arrilaga J. and Watson NR. (1996) Digital Measurement of Voltage Flicker. In : 341-346.

• Smith BC., Watson NR., Wood AR. and Arrillaga J. (1996) A Solution for the Steady-State interaction of the AC/DC Systems with Weak AC and DC Systems. In.

• Waterworth DA., Arnold CP. and Watson NR. (1996) Reliability Assessment of HVDC Systems. In : 151-157.

• Anderson GWJ., Arnold CP., Watson NR. and Arrillaga J. (1995) A New Hybrid AC-DC Transient Stability Program. In : 535-540.

• Anderson GWR., Watson NR., Arnold CP. and Arrillaga J. (1995) A New Hybrid Algorithm for Analysis of HVDC and FACTS Systems. In.

• Du ZP., Arrillaga J. and Watson NR. (1995) Harmonic State Estimation. In : 106-111.

• MacDonald SJ., Arrillaga J. and Watson NR. (1995) Efficiency and Operating Characteristics of Series-Grouped Converters and Generators. In : 101-105.

• Watson NR. and Arrillaga J. (1995) Frequency-Dependent AC System Equivalents for Harmonic and Transient Analysis. In.

• Watson NR., Chuah D., Dewe MB. and Hirsch S. (1995) Harmonic Performance of Standard and Compact Fluorescent Lamps. In : 119-122.

• Watson NR., Smith ND. and Arrillaga J. (1995) A High-Pulse Constant Frequency Inverter for DC and Variable Frequency Generation Sources. In : 358-363.

• Watson NR. and Arrillaga J. (1994) Assessment of Power System Harmonics, Part 1: Overview. In : 287-291.

• Watson NR. and Arrillaga J. (1994) Assessment of Power System Harmonics, Part 2: The Direct Method. In : 292-297.

• Watson NR. and Hirsch S. (1994) The Impact of Compact Fluorescent Lamps on Power Quality. In : 416-428.

• Watson NR., Robbie AT. and Arrillaga J. (1994) Representing Transformer Saturation in Iterative Harmonic Analysis. In.

• MORCHED AS., OTTEVANGERS JH., MARTI L., SEMLYEN A., SINGH H., WATSON NR. and KIENY MC. (1993) MULTIPORT FREQUENCY-DEPENDENT NETWORK EQUIVALENTS FOR THE EMTP. In IEEE TRANSACTIONS ON POWER DELIVERY 8(3): 1402-1412. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. http://dx.doi.org/10.1109/61.252667.

• Watson NR. and Hadipurnomo MS. (1993) Tapping Electrical Power from HVDC Lines to Supply Remote Areas. In : 116-127.

• Watson NR., Arnold CP., Coope ID. and Gray ID. (1993) Optimisation of Directional Overcurrent Relay Settings within a Mesh Connected Power System. In : 118-123.

• Zavahir JM., Arrillaga J. and Watson NR. (1993) Transient Simulation of Power Systems in the Presence of HVDC Converters. In.

• Watson NR., Zavahir JM., Arrillaga J. and Harrop I. (1992) Dynamic Performance Assessment of HVDC Systems. In : 81-92.

• Arrillaga J., Sankar S., Watson NR. and Arnold CP. (1991) A Comparison of HVDC Transient Simulation Algorithms. In.

• Coope ID., Watson NR. and Arrillaga J. (1991) An Adaptive Scheme for the Efficient Calculation of Impedance Loci. In : 117-126.

• Arrillaga J., Ciechanowicz JG. and Watson NR. (1990) Surge Distribution in Mercury Arc HVDC Parallel Converter Configuration. In : 197-208.

• Medina A., Arrillaga J. and Watson NR. (1990) Derivation of Multi-Harmonic Equivalent Models of Power Networks. In.

• Pahalawaththa N., Arnold CP., Shurety M. and Watson NR. (1990) Display Power - An Advanced Graphic Interface for Interactive Power System Analysis. In : 185-196.

• Sankar S., Arrillaga J., Arnold CP. and Watson NR. (1990) Incorporation of HVDC Controller Dynamics in Transient Convertor Simulation. In : 197-208.

• Arrillaga J., Watson NR., Arnold CP., Pahalawaththa N. and Shurety M. (1989) An Interactive Power System Package for Use on Small Workstations and Personal Computers. In : 83-94.

• Watson NR. (1989) Calculation of the Harmonic Impedances of the New Zealand Power System. In.

• Arrillaga J. and Watson NR. (1988) ACREP - An Interactive Program for Processing and Displaying Power System Information. In : 37-46.

• Arrillaga J., Acha E., Watson NR. and Veale N. (1988) Ineffectiveness of Transmission Line VAR Compensation at Harmonic Frequencies. In : 233-238.

• Watson NR. and Arrillaga J. (1987) FREQUENCY-DEPENDENT A. C. SYSTEM EQUIVALENTS FOR HARMONIC STUDIES AND TRANSIENT CONVERTOR SIMULATION.. In.

• Watson NR., Arrillaga J. and Joosten APB. (1985) A. C. SYSTEM EQUIVALENTS FOR THE DYNAMIC SIMULATION OF HVDC CONVERTORS.. In IEE Conference Publication(255): 394-399.

• Watson NR., Arrillaga J. and Joosten APB. (1985) AC System Equivalents for the Dynamic Simulation of HVDC Convertors. In : 394-399.

Conference Contributions - Other

• Lapthorn A., Hardie S., Watson N., Peterson T., Heise W., Welling D., Ingham M., Grant C., Dalzell M. and Wang T. (2021) Solar Tsunamis: Space Weather Prediction and Risk Mitigation for New Zealand's Energy Infrastructure. Wellington: EEA Conference & Exhibition 2021, 2-4 Aug 2021.

• Watson N., Mukhedkar R., Nair N., Lie T., Lapthorn A., Rayudu R. and Le Quellec I. (2021) Architecture of the Future Low-Carbon, Resilient, Electrical Power System. Wellington, New Zealand: EEA Conference & Exhibition 2021, 2-4 Aug 2021.

• Watson NR. and Watson JD. (2017) Hosting Capacity of Electrical Networks. Auckland, New Zealand: The 7th Innovative Smart Grid Technologies (ISGT) conference Asia 2017), 4-7 Dec 2017.

• Watson NR. and Gosbell V. (2014) EEA Power Quality (PQ) Guidelines. Auckland, New Zealand: Electricity Engineers' Association Conference 2014 (EEA), 18-20 Jun 2014.

• Watson N. (2013) Smart Grids and the Future Electrical Network: Towards a Smarter, More Reliable and Resilient Power System. Christchurch, New Zealand: 22nd ITC Specialist Seminar on Energy Efficient and Green Networking (SSEEGN 2013), 20-22 Nov 2013.

• Watson NR. (2012) Towards a Smarter, More Reliable and Resilient Power System: A New Zealand Perspective. Auckland, New Zealand: IEEE/PES International Conference on Power Systems Technology (PowerCon 2012), 30 Oct-2 Nov 2012.

• Watson N. (2011) Earthquakes and Electricity Infrastructure Christchurch (NZ). Hobart, Australia: CIGRE (Australian Panel of C4), 6-7 Oct 2011.

• Watson N., Hardie S., Gosbell V. and Perera S. (2011) Development of PQ Guidelines for New Zealand. Hobart, Australia: CIGRE (Australian Panel of C4), 6-7 Oct 2011.

• Watson N. (2010) Harmonic Mitigation Options (part of Power Quality Tutorial). Kuala Lumpur, Malaysia: Power Quality Symposium 2010, 13-14 Jul 2010.

• Watson N. (2010) Harmonics (part of Power Quality Tutorial). Kuala Lumpur, Malaysia: Power Quality Symposium 2010, 13-14 Jul 2010.

• Watson N. (2010) Power Quality: A New Zealand Perspective. Kuala Lumpur, Malaysia: Power Quality Symposium 2010, 13-14 Jul 2010.

• Arrillaga J., Watson NR. and Liu YH. (2003) Flexible DC Transmission. Melbourne, Australia: CIGRE AP B4 Paper, HVDC and Facts Seminar, 26 Aug 2003.

• Arrillaga J., Watson NR. and Liu YH. (2003) Flexible DC Transmission. Melbourne, Australia: HVDC and FACTS CIGRE Seminar, 1 Aug 2003.

• Watson NR. (2002) Power Systems Harmonic Analysis, Tutorial Notes. Singapore: International Power Quality Conference (IPQC 2002), 21 Oct 2002.

• Arrillaga J., Bathurst GN. and Watson NR. (2001) Adaptive derivation of inter-harmonics in variable speed drives. Graz, Austria: European Power Electronics conference, Paper DS 3.7-6, 1 Aug 2001.

Reports

• Watson N. (2019) EV PowerStation testing.Commissioned by Nichicon Corporation (Japan). 28pp.

• Watson N. (2017) Review of Effects of PVs on the Frequency in the Normal Band study.Commissioned by Transpower NZ Ltd. 6pp..

• Watson N. (2015) Review of Power Quality at Whakatane Mill Ltd..Commissioned by Northpower Ltd. 179 pp..

• Watson N. (2014) Review of Nowergup Detailed Power Quality Detailed Study.Commissioned by Power System Consultants (Australia). 6 pp..

• Watson N. (2014) Traction system harmonics.Commissioned by Reunion (now Sapere Research Group). 5 pp..

• Watson NR. (2013) Comparison with Standards.Commissioned by D. Chapman. 6pp.

• Watson NR. (2013) Dairy Coat Harmonic Current Allocation Review.Commissioned by WEL Network. 15pp.

• Watson NR., Gosbell V., Perera S., Hardie S. and Elphick S. (2013) EEA Power Quality (PQ) Guidelines.Commissioned by Electricity Engineers' Association & FRST (now MBIE). 90pp-90pp.

• Watson NR., Hennessy P. and Smart K. (2013) Power Quality Measurements from Dennis Chapman’s Castle: Preliminary Analysis.Commissioned by Dennis Chapman. 25pp.

• Watson NR., Hardie S. and Elphick S. (2012) Power Quality Survey of Electricity Ashburton Network.UC,EPECentre, MSI, EEA. Commissioned by Electricity Ashburton and EEA. 56pp-56pp.

• Watson NR., Hardie S. and Elphick S. (2012) Power Quality Survey of Mainpower Network.EPECentre/MSI & EEA. Commissioned by Mainpower N.Z. and EEA. 54pp.

• Watson N., Gosbell V., Perera S., Hardie S. and Elphick S. (2011) Power Quality (PQ) Guidelines.Electricity Engineers' Association of New Zealand (EEA). Commissioned by Foundation for Research, Science and Technology (now MBIE). 76pp-76pp.

• Watson NR., Gosbell V., Perera S., Hardie S. and Elphick S. (2011) Power Quality (PQ) Project Report.Electricity Engineers' Association of New Zealand. Commissioned by Foundation for Research, Science & Technology and Electricity Engineers' Association NZ. 206.

• Hardie SR. and Watson NR. (2010) Assessment of Power Quality Data from an Induction Motor Failure to Start on Network Waitaki.Commissioned by Network Waitaki Limited. 9pp.

• Hardie SR. and Watson NR. (2010) Assessment of Power Quality Data from Network Waitaki.Commissioned by Network Waitaki Limited. 16pp.

• Hardie SR. and Watson NR. (2010) Effects of electric vehicle chargers on Power Quality in the distribution network (with supplementary report).Commissioned by Orion New Zealand Limited. 15pp.

• Watson NR. and Hardie SR. (2010) Assessment of Harmonic Levels for Synlait Ltd.Commissioned by Synlait Milk Limited. 117pp.

• Watson NR. (2009) Fault Level Calculation Methodology: Review & Guidelines (V. 2).EPECentre and the University of Canterbury. Commissioned by TransPower NZ Ltd. 55pp.

• Watson NR., Gosbell V. and Hardie S. (2009) Outcomes from the EPECentre Workshop on Power Quality in Future Electrical Networks.Electric Power Engineering Centre (EPECentre). 44pp.

• Hardie S., Wood AR. and Watson NR. (2008) BHPB HARMONIC ASSESSMENT.Electric Power Engineering Centre. Commissioned by ElectroNet (Australia). 25pp.

• Hardie SR., Watson NR. and Gosbell V. (2008) Harmonic assessment of irrigation pumps on Orion's network.Electric Power Engineering Centre. Commissioned by Orion New Zealand Limited. 28pp.

• Watson NR. and Lawrence J. (2008) Effect of Low Power-Factor CFLs on Electricity Networks.Electric Power Engineering Centre. Commissioned by Electricity Commission of New Zealand. 11pp.

• Watson NR. and Frater LP. (2007) PQ Emission Allocation & Mitigation Study.Electric Power Engineering Centre. Commissioned by Vector Networks. 54pp.

• Watson NA. (2005) Impact of a High Level of Reactive Power Compensation on the Resonant Frequency of a Transmission System.Commissioned by Undisclosed.

• Watson NR. (2005) Review of Penrose and Hepburn Road Harmonic Studies for New Capacitor Placements.Commissioned by TransPower N.Z. Ltd.

• Watson NR. (2005) Whakamaru to Otahuhu Transmission Line Study.Commissioned by TransPower N.Z. Ltd.

• Watson N. (2000) Supply Security and System Management Software.New Zealand: NZ Strategic Technology Programme.

• Enright WG. (1999) Three-phase five-limb Unified Magnetic Equivalent Circuit PSCAD V3 Transformer Model Validation with Field Data.Commissioned by HVDC Research Centre, Winnipeg, Manitoba, Canada.

• Watson N. (1997) Electromagnetic Transient Simulation: Background to Root-Matching Methods.Commissioned by Manitoba HVDC Research Centre.

• Watson NR. (1997) Frequency Dependent Equivalents (FDE) and Transmission Line Modelling.Commissioned by Manitoba HVDC Research Centre.

Oral Presentations

• Watson N. (2019) The Changing face of Power Quality. Deakin University, Australia: Invited talk., 09 Apr 2019.

• Watson N. and Gosbell V. (2019) Power quality in transmission networks – problems and their management. Wellington, New Zealand: PQ Workshop (2 day course), 09 May 2019.

• Watson N. (2018) Assessing the Impact of Electric Vehicle Chargers on a Low Voltage Distribution System. Monash University, Melbourne, Australia: Invited seminar, 11 Jun 2018.

• Watson N. (2018) Impact of EV on an EDB Network. 13 Apr 2018.

• Watson N. (2018) The Next Generation of Electrical Power System: Power Quality Aspects. Deakin University, Australia: Invited Seminar, 08 Jun 2018.

• Watson N. (2016) Harnessing Improved Power Quality and Big Data for the Next Generation of Electrical Networks. Monash University, Melbourne, Australia: Invited seminar, 26 Jul 2016.

• Watson N. (2016) Power Quality. Technische Universität Dresden (Germany): 07 Apr 2016.

• Watson NR. (2016) Power-Quality Management in New Zealand. Queensland University of Technology (QUT), Brisbane, Australia: Energy Seminars. http://dx.doi.org/10.1109/TPWRD.2014.2300819.

• Watson N. (2015) New Zealand’s Electrical Power System: Characteristics & Challenges. Inner Mongolia University of Science and Technology, Hohhot, China: Invited seminar, 29 Apr 2015.

• Watson N. (2015) Reinjection Technique. Baoding UNT Electric Co. Ltd, Baoding, China: Invited talk, 27 Apr 2015.

• Watson N. (2014) Power Quality State Estimation: A New Concept. Sydney, Australia: EECON Conference, Sydney, Australia.

• Watson N. and Gosbell V. (2014) PQ Guidelines - Update and Feedback. Sky City Convention Centre, Auckland: Asset Management Workshop (17-18 June 2014), 18 Jun 2014.

• Watson N. (2013) Electrical Power Quality in New Zealand. Christchurch, New Zealand: IET seminar, 07 Aug 2013.

• Watson N. (2013) Power Quality in New Zealand. QUT, Brisbane, Australia: Invited seminar, 21 Aug 2013.

• Watson N. (2013) Power Quality Project. Hastings, NZ: Unison, 24 May 2013.

• Watson NR. (2013) Earthquakes and the Electrical Infrastructure. Energex Building, Brisbane, Australia: IEEE/PES Seminar.

• Watson NR. (2013) Electrical Power Quality in New Zealand. University of Canterbury, Christchurch, New Zealand: IET talk.

• Watson NR. (2013) Identification of the Sources of Transient Disturbances. Sydney, Australia: CIGRE AP C4 technical meeting.

• Watson NR. (2013) Power Quality Management in New Zealand. University of Wollongong, Wollongong, Australia: Australian Power Quality and Reliability Centre Seminar.

• Watson N. (2012) Development of Power Quality (PQ) Guidelines for New Zealand. Aalborg University, Aalborg, Denmark: Invited presentation, 02 Feb 2012.

• Watson NR. (2012) Earthquakes and the Electrical Infrastructure. Christchurch, New Zealand: Technical Forum "Building an Efficient and Robust Powerchain for Christchurch".

• Watson N. (2011) Earthquakes and the Electrical Power System. Wollongong, Australia: Invited seminar, 11 Aug 2011.

• Watson N. (2010) Compact Fluorescent Lamps (CFLs) Characteristics & Issues. Universiti Teknologi Malaysia, Skudai, Johor, Malaysia: Invited seminar, 08 Jul 2010.

• Watson N. (2010) Engineering Education at the University of Canterbury. Universiti Teknologi Malaysia, Skudai, Johor, Malaysia: Invited seminar, 07 Jul 2010.

• Watson N. (2010) Power Quality in Future Electricity Networks. University of Canterbury, Christchurch, NZ: Department Seminar, 30 Jul 2010.

• Watson N. (2010) The Rocky Road of Electricity Deregulation in New Zealand. Universiti Teknologi Malaysia, Skudai, Johor, Malaysia: Invited seminar, 09 Jul 2010.

• Watson N. (2010) Voltage Quality: Now and in the Future. Universiti Teknologi Malaysia, Skudai, Johor, Malaysia: Invited seminar, 09 Jul 2010.

• Watson NR. (2009) Fault Level Calculation Methodology: Review & Guidelines. Wellington, New Zealand: TransPower Seminar, 10 Dec 2010.

• Watson NR. (2009) Voltage Quality: Now and in the Future. Auckland, New Zealand: IEEE PES/PELS Technical Seminar, 29 Aug 2009.

• Watson NR. (2009) Voltage Quality: Now and in the Future. Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand: Department Seminar, 22 Mar 2010.

• Watson NR. and Hardie S. (2009) Effects of Irrigation Pumps on PQ. Christchurch, New Zealand: CIGRE AP C4 Meeting, 27 May 2008.

• Watson NR. and Heffernan B. (2009) The Effect of Heat-Pumps on PQ. Christchurch, New Zealand: CIGRE AP C4 Meeting, 29 Mar 2010.

• Watson NR., Heffernan B. and Frater L. (2009) LED Lighting. Christchurch, New Zealand: CIGRE AP C4 Meeting, 30 Mar 2010.

• Watson NR. (2008) Power Quality State Estimation. Sydney, Australia: CIGRE AP C4 Meeting, 23 Mar 2010.

• Watson NR. (2008) The Case of the Harmonic Offender Continued - or - Finding those Non-linear loads. Christchurch: Department Seminar, 27 Aug 2009.

• Lawrence J. and Watson NR. (2007) Electric Power Engineering at the University of Canterbury. Christchurch, New Zealand: Presentation to TransPower New Zealand representatives, 15 Nov 2007.

• Watson NR. (2007) Advances in DC Interconnections. Hobart, Tasmania: ESAA Residential School in Electric Power Engineering - Power Industry: Growth and Innovation in a Changing World, 16 Feb 2007.

• Watson NR. (2007) Compact Fluorescent Lamps (CFL) - Characteristics & Issues. Christchurch: Department Seminar, 18 Dec 2009.

Other

• Strahan RJ., Miller A., McNab S., Pandey S., Lemon S., Crownshaw T., Watson N. and Wood A. (2018) Interim draft: Guideline for the connection of small-scale inverter based distributed generation. Wellington: Electricity Engineers' Association of New Zealand (EEANZ).

• Heffernan B., Frater L. and Watson N. (2009) LED lighting for industrial, commercial and institutional premises, part 1. Industrial Electrix Oct-Nov 2009: 17-19. [Magazine Article].

• Watson NR. (2008) Energy-saver bulbs not all they seem to be. (16 August) Dunedin: [Newspaper].

• Watson NR. (2005) A Case Study of the Loss of Transformer Life Due to Harmonics. .

• Watson NR. (2005) A Comparison of the Philips Tornado Compact Fluorescent Lamp with the new High Power-Factor Eco-Bulb. .

• Watson NR. (2005) Comparison of Osram DuluxStar and Philips Tornado CFLs. .

• Watson NR. (2005) Philips and High Power-factor Eco Bulb performance against IEC 61000-3-2 Standard. .

• Watson NR. (2005) Technical Note on Osram Dulux EE 20W CFL. .

• Watson NR. (2005) Technical Note on Osram Dulux Star CFL. .

• Watson NR. (2004) Technical Note on Performance of EcoBulb. .

• Watson NR. (1993) Discussion of Paper Title: Multi-Port Frequency Dependent Network Equivalents for the EMTP by Morched A.S., Ottevangers J.H. and Marti L. (pp 1402-1412) IEEE Transactions on Power Delivery, Vol. 8, No. 3, July 1993, p 1409. .

Editorial Work

Displaying all items.

• Electric Power Engineering Centre Editor ( 1997 - 2002)
• Electric Power Engineering Centre Editor ( 2000 - 2005)
• Electric Power Systems Research Editorial Board Member ( 2006 - 2023)
• IET Generation, Transmission & Distribution Editorial Board Member ( 2006 - 2023)
• International Journal of Power and Energy Systems Editorial Board Member ( 1997 - 2002)
• International Review of Electrical Engineering Editorial Board Member ( 2011 - 2023)
• Power Quality in Smart Grids Editor, Special Issue ( 2011 - 2023)

Review and Refereeing

Displaying all items.

• IEE ( 1997 - 2002)
• International Journal of Electrical Power and Energy Systems ( 2006 - 2023)
• Key Journals ( 1987 - 2023)

Research Groups