Journal of Guangdong University of Technology ›› 2019, Vol. 36 ›› Issue (05): 33-37.doi: 10.12052/gdutxb.190011

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A Research on a Transformerless Parallel Hybrid Active Power Filter

Zhang Miao1, Pang Zhuo-biao1, Hao Xue-dong1, Xie Si-wei1, Zhang Xing-wang2   

  1. 1. School of Automation, Guangdong University of Technology, Guangzhou 510006, China;
    2. China Institute of Electrical Science Limited, Guangzhou 510300, China
  • Received:2019-01-14 Online:2019-08-21 Published:2019-08-06

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Abstract: A novel Parallel Hybrid Active Power Filter topology without transformer proposed is against the problem of excessive subharmonic content and insufficient reactive power in some cases, which consists of active and passive parts, and it increases active part to compensate harmonics on the basis of passive part to realize reactive power compensation. The system makes use of the working characteristics of the passive part series partial voltage and series resonance to reduce the active part working voltage low, and then reduce the capacity of the active part. After analyzing the working characteristics of the new topological circuit, a mathematical model of the system is established, using the decoupling control method to achieve effective control of the system. Experimental results confirm the feasibility and advantages of the proposed method.

Key words: hybrid active filter, transformerless, specific harmonic, topology

CLC Number: 

  • TN713
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