Efficiency Enhancement of a Three Phase Hard Switching Inverter Under Light Load Conditions

Khaled Ahmad Abdul Kareem Mahafzah, Klaus Krischan, Annette Mütze

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Abstract

This paper studies the performance of a three phase Hard Switching Inverter (HSI) for low power applications, operating primarily at partial load (7W, 150 mA-peak, 50 V-peak which is 10%of its thermally maximum permissible power) in a home appliance application. Analytic methods are used to calculate the losses for different power transistors, resulting in an optimized H-Bridge Inverter (HBI) prototype. The standard hard-switching approach is used, the potential of gate loss reduction by using a Resonant Gate Drive Circuit (RGD) is investigated.
Original languageEnglish
Title of host publicationIECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society
Pages3372-3377
Number of pages6
ISBN (Electronic)978-1-5090-3474-1
DOIs
Publication statusPublished - Oct 2016

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Mahafzah, K. A. A. K., Krischan, K., & Mütze, A. (2016). Efficiency Enhancement of a Three Phase Hard Switching Inverter Under Light Load Conditions. In IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society (pp. 3372-3377) https://doi.org/10.1109/IECON.2016.7793732