DOI QR코드

DOI QR Code

An Active Output Filter with a Novel Control Strategy for Passive Output Filter Reduction

  • Choi, Kyusik ;
  • Cho, Bo-Hyung
  • Received : 2015.10.19
  • Accepted : 2015.12.07
  • Published : 2016.05.20

Abstract

This paper presents a novel control strategy for passive output filter reduction using an active output filter. The proposed method achieves the dual-function of regulating the output voltage ripple and output voltage variation during load transients. The novel control strategy allows traditional simple voltage controllers to be used, without requiring the expensive current sensors and complex controllers used in conventional approaches. The proposed method is verified with results from a 125-W forward converter.

Keywords

Passive output filter reduction;Voltage ripple;Load transient;Efficiency

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Acknowledgement

Grant : BK21플러스

Supported by : 서울대학교