A New Control Strategy for Active Power Filter

Hong Shen, Fan Yang, Ahmed Abu-Siada and Zhao Liu
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Hong Shen: Key Lab of Power Electronics for Energy Conservation and Motor Drive of Hebei province, College of Electrical Engineering Yanshan University, Qinhuangdao 066004, China
Fan Yang: Key Lab of Power Electronics for Energy Conservation and Motor Drive of Hebei province, College of Electrical Engineering Yanshan University, Qinhuangdao 066004, China
Ahmed Abu-Siada: Department of Electrical and Computer Engineering, Curtin University, Perth, WA 6102, Australia
Zhao Liu: Key Lab of Power Electronics for Energy Conservation and Motor Drive of Hebei province, College of Electrical Engineering Yanshan University, Qinhuangdao 066004, China

Energies, 2019, vol. 12, issue 21, 1-12

Abstract: The significant increase in electronic devices has resulted in serious harmonic pollutions in electricity grids. In addition, due to the resonance of the system capacitance and inductance, the harmonic current may be amplified dramatically when it goes through the transmission line which is harmful to the normal operation of electrical equipment. To suppress the voltage and current harmonics resonance, many control strategies of active power filter (APF) are proposed. Nevertheless, these strategies cannot attenuate the amplified harmonic voltage and current due to resonance. In this paper, the harmonic propagation characteristics are investigated on a long transmission line and a new control strategy called VI-APF based on current-controlled and voltage-controlled current sources connected in parallel is presented. According to the simulation results, the proposed control strategy can suppress the total harmonic distortion to a low level. Finally, the effectiveness of VI-APF is demonstrated through the simulation on the IEEE 33-bus distribution system.

Keywords: Active power filter; power quality; distribution system; harmonics suppression (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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