Power device gate driver circuit with reduced number of isolation transformers for switched reluctance machine drive

Neville McNeill, Derrick Holliday, Philip Mellor

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The combined asymmetric half-bridge power converter topology is often used to drive switched reluctance machines (SRMs). This letter describes a transformer-isolated power semiconductor gate driver circuit that uses only two transformers to supply all three power devices in a combined asymmetric half bridge with local power supplies and drive signals. Therefore, the entire gate driver circuitry for a six-switch converter driving a four-phase SRM requires only four isolation transformers, thereby reducing cost. Operation of a prototype circuit is demonstrated.
Original languageEnglish
Pages (from-to)548-552
Number of pages5
JournalIEEE Transactions on Power Electronics
Volume24
Issue number2
DOIs
Publication statusPublished - Feb 2009

Keywords

  • driver circuits
  • switching convertors
  • reluctance motor drives
  • power transformers

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