Tuesday, Jan 31, 2023 8:00 AM NZDT (Monday Jan 30, 2023 8:00 PM CET – 2:00 PM EST)
by Prof. Nihal Kularatna (University of Waikato, Hamilton, New Zealand)
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Supercapacitors come with one million times larger capacitance for the same canister size as normal capacitors. They have very low equivalent series resistance (ESR), and this makes them capable of delivering high power. Given that supercapacitors have low ESR and very large capacitance, they could form large time constant circuits, and also act as lossless voltage droppers in power electronic converters. Based on these simple concepts, supercapacitors can help developing uniquely new families of extra low frequency power converters and protection circuits, now identified as Supercapacitor Assisted (SCA) techniques. This presentation summarizes these SCA techniques, and compare them with traditional power electronic building blocks.
Nihal Kularatna is an associate professor in electronic engineering at the School of Engineering, University of Waikato, New Zealand. He has authored ten reference books for electronic engineers, published by US and British publishers. Latest work is titled Energy storage devices for renewable energy systems”.
He is research active in supercapacitor applications, and he won the New Zealand Engineering Innovator of the Year 2013 award and in 2021 he won the Postgraduate research supervision excellence Award”.