대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

UPS용 병렬공진형 직류링크인버터를 위한 제어방식에 관한 연구

Control Strategy of Resonant DC Link Inverter for UPS

  • 백주원 (한국전기연구소 전력전자 연구부 전력변환팀) ;
  • 유동욱 (한국전기연구소 전력전자 연구부 전력변환팀) ;
  • 민병권 (현대중공업 중앙연구소 전력전자연구실) ;
  • 류승표 (현대중공업 중앙연구소 전력전자연구실)
  • Beak, J.W. (Power Conversion Team, Power Electronics Division, KERI) ;
  • Yoo, D.W. (Power Conversion Team, Power Electronics Division, KERI) ;
  • Min, B.G. (Power Electronics Department, Hyundai Heavy Industry Central Research Institute) ;
  • Ryu, S.P. (Power Electronics Department, Hyundai Heavy Industry Central Research Institute)
  • 발행 : 1994.11.18
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초록

A new control technique which generates high-quality sinusoidal output voltage from a single-phase resonant do link inverter suitable for the UPS systems is presented. The inverter output voltage control system has the PID controller with a minor loop of the filter inductor current and tile feedforward controller. The proposed control scheme also solves resonant voltage overshoot without any additional switch or passive component, resulting in pulses with uniform amplitude and high efficiency. Experimental results in the case of linear and nonlinear loads are presented to confirm the usefulness of the Proposed control algorithms.

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