Researcher Summary
My research interests include Power Electronics, Electromagnetics, Transient Surge Protection and Power Quality, Frequency Domain Circuit Modelling, Transformer Theory & Design, High Frequency Magnetics, Supercapacitor Applications for Sustainability, EVSE/EV Charging Efficiency and OCPP, and Physics.
Following are some of my previous experiences in Research and Development:
• Development of high-performance surge protectors (research collaboration with Magnetics® Inc. USA) using the latest commercial magnetic materials (Kool Mµ, High-Flux, X-Flux, Edge powder cores and Soft-Ferrites) manufactured by Magnetics Inc.
• Permeance based theoretical modelling of surge protector circuits and high-voltage testing using standard lightning surge simulators (LSS-6230 and LSS-F03).
• Research collaboration with Thor Technologies, Australia – surge endurance evaluation of commercial surge protectors according to Underwriters’ Laboratory test procedures.
• Electromagnetic transient analysis and frequency domain circuit modelling.
• Designing of data acquisition systems and computer interfacing techniques based on MATLAB.
• Supercapacitor applications of power electronic circuits.
• Transformer design using powdered-iron magnetic materials and air-gapped ferrites.
• Feasibility Study of Green Hydrogen: NZ Scenario.
• EVSE and EV Charging Efficiency and OCPP Compliance Testing: efficiency evaluation of fast DC chargers (Phihong-60, Phihong-30, Tritium-50, Delta-25) and level-2 AC home chargers (Siemens-7.4, Etrel-22, Evnex-7.4, ABB-7.4).
• Study of EV charging internal efficiencies: testing of Tesla-3, BMW-i3, Hyundai-Ioniq EV and Nissan-Leaf.
• Failure modes determination of power semiconductor devices: Si, SiC and GaN MOSFETs and HEMTs testing.