전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제56권5호
  • /
  • Pages.892-897
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  • 2007
  • /
  • 1975-8359(pISSN)
  • /
  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

트랩필터를 갖는 NPC멀티레벨 인버터의 LCR필터 차단주파수 설정에 따른 출력특성 분석

The Output Characteristics Analysis by Cut-off Frequency Set-up of the LCR Filter on NPC Multi-Level Inverter with Trap-Filter

  • 김수홍 (중앙대 전자전기공학부) ;
  • 김윤호 (중앙대 전자전기공학부)
  • 발행 : 2007.05.01
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초록

This paper presents the output filter design and the output characteristic analysis by cut-off frequency set up of the LCR filter on NPC multi-level inverter with trap-filter. The single-phase NPC three-level inverter operates at low switching frequency. The proposed LC trap filter is comprised of a conventional LCR output filter, by using LC trap filter the need for high damping resistor and low LC cut-off frequency is eliminated. Also. low damping resistor is increased the output filter system. The multilevel inverter system used NPC type inverter in proper system for high power application and controller is used DSP(TMS320C31). The effectiveness of proposed system confirmed the validity through SPICE simulation and experimental results.

키워드

참고문헌

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