Impact of stray inductances of the power loop on false trigger-on in the zero-voltage-switching full-bridge converter
作者： Qinsong Qian , Taizhi Zhang , Weifeng Sun , Shengli Lu
DOI: 10.1002/CTA.2234
关键词: Transistor 、 Full bridge converter 、 Loop (topology) 、 Electronic engineering 、 Zero voltage switching 、 Equivalent model 、 Control theory 、 Power (physics) 、 Capacitor 、 Transient (oscillation) 、 Engineering
摘要: Here, we propose an exhaustive theoretical investigation and experimental verification of the false trigger-on phenomenon, which would lead to interaction between upper lower devices during switching transient, in zero-voltage-switching ZVS full-bridge converter. An equivalent model converter, takes not only parasitic capacitors metal-oxide-semiconductor field-effect transistors into account but also stray inductances main circuit, is presented. Based on model, a comprehensive study phenomenon carried out. According analysis results, have negligible influence phenomena since soft-switching realized. The induced by circuit. Moreover, arrangement sequence cause significant discriminations because specific working mode optimization methods are presented suppress voltage. At last, investigations verified tests Copyright © 2016 John Wiley & Sons, Ltd.
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