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A Novel Control Method for Active Power Filter Considering Harmonic Voltage in Power Source

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2 Author(s)
Qing Fu ; Inst. of Power Electron. & Control Technol., Sun Yat-sen Univ., Zhuhai ; Geng Yang

The harmonic voltage in power grid is enlarged with kinds of dynamic power source and a great deal of active equipments and non-linear loads connected to the power grid. In order to compensate the harmonic current caused by the harmonic voltage with active power filter, the paper analyses the shortcomings of the control based on the sinusoidal power source and proposes a novel close-loop control method for active power filter. A fore-feed control of source harmonic voltage is realized under the condition of high load harmonic impedance by detecting the voltage of the point of common coupling (PCC). The proposed method is very simple and can improve the performance of the traditional close-loop controller. The simulation confirms the better performance of the novel controller

Published in:

Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE

Date of Conference:

18-22 June 2006