Novel passive lossless turn-on snubber for voltage source inverters

Xiangning He, Stephen J. Finney, Barry W. Williams, Zhao Ming Qian

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


A novel passive lossless turn-on snubber with a soft-clamped 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. © 1997 IEEE.

Original languageEnglish
Pages (from-to)173-179
Number of pages7
JournalIEEE Transactions on Power Electronics
Issue number1
Publication statusPublished - 1997


  • IGBT
  • Inverter
  • Snubber


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