RCD snubber revisited

Stephen J. Finney, Barry W. Williams, Tim C. Green

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

The use of the polarized RCD turn-off snubber configuration across switching devices is popular because of its simplicity and use of only passive components. This configuration is limited by the fact that all capacitor-stored energy is dissipated in the discharge resistor. In this paper it is shown that with the addition of a ferrite transformer to the standard RCD arrangement, in excess of 70% of the energy stored on the snubber capacitor may be passively recovered into the dc supply. Performance of this passive recovery snubber is supported by theoretical, simulated and practical results. © 1996 IEEE.

Original languageEnglish
Pages (from-to)155-160
Number of pages6
JournalIEEE Transactions on Industry Applications
Volume32
Issue number1
Publication statusPublished - 1996

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    Finney, S. J., Williams, B. W., & Green, T. C. (1996). RCD snubber revisited. IEEE Transactions on Industry Applications, 32(1), 155-160.