Magnetic hysteresis curve influenced by power-semiconductor characteristics in pulse-width-modulation inverter

Keisuke Fujisaki, Sungju Liu

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

The influence of power semiconductor characteristic in Pulse-width- modulation (PWM) inverter on the magnetic hysteresis curve in silicon steel is discussed through the measured magnetic hysteresis curves. The magnetic hysteresis curve of PWM inverter-fed silicon steel has a lot of minor loops as closed loops and open loops, which make an influence on the iron loss. Two shapes of minor loops are found to be caused by the voltage shifts and they are derived from the on-voltage of the semiconductors in PWM inverter circuit. Therefore, it is concluded that the power-semiconductor characteristic in PWM inverter makes an influence on the magnetic hysteresis curve in silicon steel.

Original languageEnglish
Article number17A321
JournalJournal of Applied Physics
Volume115
Issue number17
DOIs
Publication statusPublished - 2014 May 7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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