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Study on high-frequency hybrid active power filter

Published:2015-06-10 author:ZHOU He，WANG Ling-ling，CHEN Hui-ming，WANG Zheng-shi Browse: 2461 Check PDF documents

Study on high-frequency hybrid active power filter

ZHOU He，WANG Ling-ling，CHEN Hui-ming，WANG Zheng-shi

（College of Electrical Engineering，Zhejiang University，Hangzhou 310027，China）

Abstract：Aiming at the poor and vulnerable performance of passive power filter，a MOSFET available high-frequency hybrid active

power filtering scheme was proposed. Based on the existing passive power filter，a single-tuned hybrid active power filter was added to

filter the high-frequency current harmonics pertinently. According to the basic principle of filtering system，the harmonic current gain and

system double loop controller were analyzed and designed. Simulation investigation was done and a prototype was built. The results

indicate that the system filtering performance is significantly improved，filtering bandwidth is widened，resonance is inhibited and the

capacity of the active power filter in the proposed system is very low.

Key words：passive power filter（PPF）；high-frequency；active power filter；hybrid filter；active gain

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