Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Application of the RC Filter for Suppressing the Output Overvoltage of the High-voltage Large-capacity Inverter

고압 대용량 인버터의 출력 과전압 억제를 위한 RC filter의 현장적용 시험에 관한 연구

  • Woo, Myung-Ho (Electro-Mechanical Research Institute, Hyundai Heavy Industries) ;
  • Park, Young-Min (Electro-Mechanical Research Institute, Hyundai Heavy Industries) ;
  • Lee, Se-Hyun (Electro-Mechanical Research Institute, Hyundai Heavy Industries) ;
  • Min, Byung-Duk (Electro-Mechanical Research Institute, Hyundai Heavy Industries) ;
  • Seo, Kwang-Duk (Electro-Mechanical Research Institute, Hyundai Heavy Industries)
  • 우명호 (현대중공업 기전연구소) ;
  • 박영민 (현대중공업 기전연구소) ;
  • 이세현 (현대중공업 기전연구소) ;
  • 민병덕 (현대중공업 기전연구소) ;
  • 서광덕 (현대중공업 기전연구소)
  • Published : 2001.07.18
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Abstract

In this paper, the RC filter for mitigating the output overvoltage of the 3-level 3300V 4MW inverter is described. The descriptions on power circuit and overvoltage phenomena are presented. The output transformer which may be used to obtain the higher output voltage, makes the filter design difficult because the parameter measurements are not easy and the accuracy may be poor. So, this paper presents several preliminary results on the output overvoltage with or without transformer to investigate the overall system characteristics. Some experimental results are also provided when the designed filter is applied.

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