A Novel Three-Phase Hybrid Active Power Filter With a Series Resonance Circuit Tuned at the Fundamental Frequency
An Luo; Ci Tang; Zhi Kang Shuai; Wei Zhao; Fei Rong; Ke Zhou
Industrial Electronics, IEEE Transactions on
Volume 56, Issue 7, July 2009 Page(s):2431 - 2440
Digital Object Identifier   10.1109/TIE.2009.2020082
Summary:In this paper, a novel three-phase hybrid active power filter (HAPF) with a series resonance circuit tuned at the fundamental frequency is proposed for simultaneously suppressing harmonic currents and compensating high-capacity reactive power in high- or medium-voltage power systems. To reduce its rated capacity, the active power filter is shunted to the series resonance circuit by a matching transformer and, thus, greatly reduces its current requirements as well as voltage ratings of semiconductor switching devices. The passive power filters are used to compensate the reactive power with a constant capacity. The validity and effectiveness of this novel HAPF system have been verified by simulation and industrial application results.

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