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

Kyusik Choi; Bo-Hyung Cho

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

Kyusik Choi

Bo-Hyung Cho

Vol. 16, No. 3, pp. 1036-1045, May 2016

10.6113/JPE.2016.16.3.1036

Passive output filter reduction

Voltage ripple

Load transient

Efficiency

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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.

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Cite this article

[IEEE Style]

K. Choi and B. Cho, "An Active Output Filter with a Novel Control Strategy for Passive Output Filter Reduction," Journal of Power Electronics, vol. 16, no. 3, pp. 1036-1045, 2016. DOI: 10.6113/JPE.2016.16.3.1036.

[ACM Style]

Kyusik Choi and Bo-Hyung Cho. 2016. An Active Output Filter with a Novel Control Strategy for Passive Output Filter Reduction. Journal of Power Electronics, 16, 3, (2016), 1036-1045. DOI: 10.6113/JPE.2016.16.3.1036.