An analysis and control of double chopper DC-DC converter

이중 쵸퍼 DC-DC 컨버터의 해석과 제어

  • 한상완 (아주대학교 대학원 전자공학과) ;
  • 신동희 ((주)파워테크) ;
  • 홍석교 (아주대학교 공과대학 전기전자공학부)
  • Published : 1997.12.01

Abstract

DC-DC converter with chopper is seen to have problems, such as, loop instability and degradation of transient response, due to the interaction between input filter and switching regulator. In this paper, the switching regulator consisting of input filter and double chopper is analyzed, and the state space model at continuous current mode and the transfer function between duty ratio of switching pulse and output voltage are derived. The controller in this paper is designed as feedforward(P) and feedback(PI) control scheme to minimize the variation of output voltage, and computer simulation results are presented to show the performance of the proposed controller.

Keywords

References

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