Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Novel Type of Discrete Time Predictive Current Controllers for Parallel Resonant Inverters

병렬 공진형 인버터에서 사용되는 새로운 형태의 이산시간 예측 전류 제어기

  • Huh, Sung-Hoi (Dept. of Electronic Engineering, Kookmin University) ;
  • Choy, Ick (Div. Of Electronics & Information Technology, KIST) ;
  • Kim, Kwon-Ho (Div. Of Electronics & Information Technology, KIST) ;
  • Ahn, Hyun-Sik (Dept. of Electronic Engineering, Kookmin University) ;
  • Kim, Do-Hyun (Dept. of Electronic Engineering, Kookmin University)
  • 허성회 (국민대학교 전자공학과) ;
  • 최익 (한국과학기술연구원 정보전자연구부) ;
  • 김권호 (한국과학기술연구원 정보전자연구부) ;
  • 안현식 (국민대학교 전자공학과) ;
  • 김도현 (국민대학교 전자공학과)
  • Published : 1996.07.22
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Abstract

In this paper, we propose two types of novel discrete time current control methods of modified fixed band hysteresis control and optimal control for Parallel Resonant DC Link Inverters(PRDCLI). Because zero bus voltage intervals are generated on the DC link of PRDCLI, we can obtain the information of counter electromotive force(emf) by a simple estimation strategy. The proposed current controllers predict the currents of the next resonant cycle using the obstained information of counter emf and the average values of DC link voltages. The computer simulation results for a simple equivalent circuit of induction motor show that the proposed control methods are more effective than conventional methods.

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