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Coordinated Control Strategy for Harmonic Compensation of Multiple Active Power Filters

Jianfeng Yang*, Rende Qi*, Yang Liu, Yu Ding
School of Automation & Electrical Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
* Corresponding Authors: Jianfeng Yang. Email: ; Rende Qi. Email:
(This article belongs to this Special Issue: Advances in Modern Electric Power and Energy Systems)

Energy Engineering 2022, 119(2), 609-620. https://doi.org/10.32604/ee.2022.016969

Received 15 April 2021; Accepted 15 June 2021; Issue published 24 January 2022

Abstract

In order to minimize the harmonic distortion rate of the current at the common coupling point, this paper proposes a coordinated allocation strategy of harmonic compensation capacity considering the performance of active power filters (APF). On the premise of proportional distribution of harmonic compensation capacity, the harmonic compensation rate of each APF is considered, and the harmonic current value of each APF to be compensated is obtained. At the same time, the communication topology is introduced. Each APF takes into account the compensation ability of other APFs. Finally, three APFs with different capacity and performance are configured at the harmonic source to suppress the same harmonic source, and the harmonic distortion rate is reduced to 1.73%. The simulation results show that the strategy can effectively improve the compensation capability of the multiple APF cascaded system to the power grid without increasing the installed capacity.

Keywords

Active power filter; collaborative optimization; harmonic compensation rate; weighting factor; communication topology

Cite This Article

Yang, J., Qi, R., Liu, Y., Ding, Y. (2022). Coordinated Control Strategy for Harmonic Compensation of Multiple Active Power Filters. Energy Engineering, 119(2), 609–620.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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