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

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

고차 고조파 전류의 보상을 위한 단상 능동전력필터

Single-Phase Active Power Filter for Higher-order Harmonic Current Compensation

  • 성기석 (고려대 전기공학과) ;
  • 우명호 (한국과학기술연구원) ;
  • 송중호 (한국과학기술연구원) ;
  • 최익 (한국과학기술연구원) ;
  • 임묘택 (고려대 전기공학과)
  • 발행 : 2000.07.01
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초록

Basic design for single-phase active power filter, which aims at railway application provided with PWM-controlled converters, is comprehensively studied and its performance is presented in this paper. Active power filters are used to compensate railway signaling and public telecommunication interference due to the high-order harmonic currents generated in railway traction locomotives. A type of hybrid digital filter which is composed of low pass filter and high pass filter is proposed so that the desired harmonic reference current with accurate magnitude and phase shift can be extracted from catenary line current. A design criteria to determine input inductor L and output capacitor C is also described, considering voltage, current, PWM pattern, and switching frequency of the main converters. Finally, computer simulation and DSP-based experiments resulted from laboratory test are presented.

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참고문헌

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