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何湘宁

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期刊论文

Novel Passive Lossless Turn-On Snubber for Voltage Source Inverters

何湘宁Xiangning He Senior Member IEEE Stephen J. Finney Barry W.Williams and Zhao-Ming Qian

IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 12, NO. 1, JANUARY 1997,-0001,():

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摘要/描述

A novel passive lossless turn-on snubber with a softclamped turn-off snubber circuit for voltage source inverters is proposed. The energy trapped in the snubber is recovered into the dc supply and load without any active devices, associated control circuitry, or resistors. The overshoot voltage on the switches is clamped, and the peak switch current is low, making this snubber suitable for use in high-power insulated gate bipolar transistor (IGBT) inverters.

关键词: IGBT inverter snubber

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