Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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A Hybrid Active Power Filter for Electric-Railway Systems Using Multi-Level Inverters

멀티레벨 인버터를 이용한 전기철도용 하이브리드 능동 전력필터

  • 김윤호 (중앙대학교 전자전기공학부) ;
  • 김수홍 (중앙대학교 전자전기공학부) ;
  • 이강희 (중앙대학교 전자전기공학부)
  • Published : 2004.12.01
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Abstract

This paper proposes transformerless power conversion system consisting of a single-phase diode rectifier and a shunt hybrid filter for the electric-railway system. The hybrid filter consists of a single tuned LC filter per a phase and a low-rated NPC type multi-level inverter. Compared with conventional active filters. transformers are not used. Also, LC filter works as not only a harmonic filter tuned at the 3rd harmonic frequency but also a switching-ripple filter. The rating of the active filter can be decreased by using a NPC type multi-level inverter. The simulation results confirm the validity of the system.

Keywords

References

  1. Rivas, D.; Moran, L.; Dixon, J.W.; Espinoza, J.R. 'Improving passive filter compensation performance with active techniques' Industrial Electronics, IEEE Transactions on, 2003, Pages:161-170
  2. Tan, P.C.; Loh, P.C.; Holmes, D.G.; 'A robust multilevel hybrid compensation system for 25kV electrified railway applications' PESC '03. IEEE 34th Annual Conference on , Volume:3 , 15-19 June 2003, Pages:1020-1025 vol.3
  3. Libano, F.B.; Simonetti, D.S.L.; Uceda, J.; 'Frequency characteristics of hybrid filter systems' PESC '96 Record., 27th Annual IEEE, 2 ,June 1996, Pages:1142-1148 vol https://doi.org/10.1109/PESC.1996.548725
  4. Jih-Sheng Lai; Fang Zheng Peng; 'Multilevel converters-a new breed of power converters' Industry Applications, IEEE Transactions on, 1996 Pages:509-517 https://doi.org/10.1109/28.502161