Abstract：Due to high harmonic current and low reactive power in 35kV bus of a substation, a kind of high-power hybrid active power filter with dual-resonance injection branch is studied, which is suited for high-voltage level. In the analysis of its topology, the filter characteristics, reactive power compensation characteristics, voltage-sharing and current-sharing characteristics of dual-resonance injection branch are discussed. In order to enhance the stability of the system, dual closed loop control strategy of harmonic is proposed. The control aim of inner-loop is the output current of inverter and its controller is traditional PI controller. The control aim of outer-loop is the harmonic current of power grid. The novel recursive integral PI control method based on improved PSO-BP neural network is proposed for the non-straight control aim. The improved PSO-BP neural network is used to adjust the proportional and integral factors, with good steady state and dynamic performance. Research case study results verify the effectiveness and correctness of the content.
徐先勇, 罗志坤, 罗安, 方璐, 吴敬兵, 彭潇. 新型混合有源电力滤波器的特性分析和控制方法[J]. 电工技术学报, 2011, 26(12): 113-121.
Xu Xianyong, Luo Zhikun, Luo An, Fang Lu, Wu Jingbing, Peng Xiao. Characteristic Analysis and Control Method of a Novel Hybrid Injection Active Power Filter. Transactions of China Electrotechnical Society, 2011, 26(12): 113-121.
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2011, Vol. 26 
