Transactions of China Electrotechnical Society  2017, Vol. 32 Issue (14): 45-55    DOI: 10.19595/j.cnki.1000-6753.tces.170632
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Multi-Time Scale Synchronous Rotating Frame Using Fourier Series for Harmonic Current Control
Ren Lei1, Jiang Qirong2
1. School of Electrical and Electronic Engineering Tianjin University of Technology Tianjin 300384 China;
2. Department of Electrical Engineering Tsinghua University Beijing 100084 China

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Abstract  An active power filter (APF) can compensate harmonic currents with different orders. However, the compensating accuracy for different order harmonics varies largely based on one time scale controlling method. A novel zero steady-state error current control strategy for shunt active power filters (APF) is proposed based on Fourier series (FS) using multi-time scale synchronous rotating frame. Compared to general zero steady-state error control algorithm, such as proportional-resonant (PR) and vector PI (VPI) control, the proposed strategy weakens system frequency shift effect and enhances anti-interference ability. With a mathematical model, the open-loop and close-loop transfer functions of a control system are analysed in detail based on FS. Simulation and experimental results have verified the proposed current control strategy.
Key wordsFourier      series      (FS),      synchronous      rotating      frame,      harmonic      current      control     
Received: 10 May 2017      Published: 01 August 2017
PACS: TM712  
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Ren Lei,Jiang Qirong. Multi-Time Scale Synchronous Rotating Frame Using Fourier Series for Harmonic Current Control[J]. Transactions of China Electrotechnical Society, 2017, 32(14): 45-55.
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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.170632     OR     https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I14/45
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