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Simulation of DC-Side Voltage for Shunt Active Power Filter with Fuzzy PI Controller
Abstract:
Traditional PI control strategy for DC-side Voltage of Active Power Filter is difficult to determine parameters, so a parameter self-setting fuzzy PI controller is proposed. Analyzing the principle of APF revealed that the compensation ability to harmonic current is closely related to the dc-side voltage. In the fuzzy control rules, the deviation and its changing rate of actual current from given current are input variables and the PI parameters can be self-adjusting. MATLAB simulation results show that: the fuzzy PI control strategy for dc link voltage, the dc side voltage is more stable, APF filtering effect is better.
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771-774
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Online since:
October 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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