Asymmetric Compensation Design of Hybrid Power Quality Manage System for V/v Traction Substation
Ma Qian1,2, Luo Pei1,2, Dai Yuxing1,3
1. College of Electrical and Information Engineering Hunan University Changsha 410082 China; 2. College of Information Engineering Xiangtan University Xiangtan 411105 China; 3. College of Physics and Electronic Information Engineering Wenzhou University Wenzhou 325035 China
Abstract There are power quality problems in the V/v traction substation, such as poor power factor, bad harmonic pollution, and large negative sequence current, and so on. Taking advantages of active and passive compensators, this paper proposed a low-cost hybrid dynamic integrated compensation system constituted by a multiple back-to-back bidirectional converter and classical asymmetric passive compensation filters. The positive and negative effects of the passive filter on active components capacity were analyzed. The asymmetric compensation principle and capacity design method were studied. The total cost of device was reduced effectively. The comparisons of the power quality parameters were carried out before and after the proposed system is put into operation, which proves the proposed system.
Ma Qian,Luo Pei,Dai Yuxing. Asymmetric Compensation Design of Hybrid Power Quality Manage System for V/v Traction Substation[J]. Transactions of China Electrotechnical Society, 2017, 32(4): 221-230.
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2017, Vol. 32 
