The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
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Three level ZCT IGBT inverter for High Power Applications

대전력 응용을 위한 고효율 3레벨 ZCT IGBT 인버터

  • 이성용 (군산대 공대 제어계측공학과) ;
  • 이동호 (Virginia Tech. 전자공학부)
  • Published : 1999.01.01
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Abstract

A three-level ZCT(Zero Current Transition) IGBT inverter is presented for high power IGBT inverters. The concept of ZCT for the conventional boost converter is extended to the three-level inverter. Moreover, in order to improve the reliability of inverter, midpoint charge balance problem of the three-level inverter is analyzed with respect 150kw, 20kHz prototype are presented to verify the principle of ZCT Operation.

Keywords

References

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  3. Proc. IAS '93 An analysis Variation of Neutral Point Potential in Neutral Clamped Voltage Source PWM Inverters S. Ogasawara;H. Akagi
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