Leading and Lagging Legs Power Loss Analysis in ZVS Phase-Shift Full Bridge Converter

Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

PEDSTC02_090

تاریخ نمایه سازی: 21 تیر 1391

Abstract:

main idea of this paper is power loss evaluation of semiconductor devices in a zero voltage switching (ZVS) Phase- Shift Full Bridge (PSFB) converter. MOSFET power loss analysis is one of the basic steps for the PSFB reliability assessment. In this paper, an accurate analytical method is proposed for power loss evaluation focusing on leading and lagging legs, considering exact current and voltage waveforms. The validity of the proposed analysis is verified through the simulations and the experimental results. To measure power loss, a prototype converter has been set up. The specifications of the proposed converter are 28.5 VDC and 1.1kW.

Keywords:

phase shift , ZVS full bridge converter , switching loss , MOSFET power loss

Authors

zahra emami

Information & Communication Technology Institute Isfahan University of technology Isfahan, Iran

mehdi nikpendar

Information & Communication Technology Institute Isfahan University of technology Isfahan, Iran

navid shafiei

Information & Communication Technology Institute Isfahan University of technology Isfahan, Iran

reza motahari

Information & Communication Technology Institute Isfahan University of technology Isfahan, Iran

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