Tracking Performance Optimization of Compensation Current in Active Power Filter

Lan Li; Xiao Xia Cao; Yong Yang

doi:10.4028/www.scientific.net/AMM.291-294.2234

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 291-294Tracking Performance Optimization of Compensation...

Tracking Performance Optimization of Compensation Current in Active Power Filter

Abstract:

The compensation principle of active power filter is analyzed，and the measurement method of harmonic and reactive current based on instantaneous reactive power theory is proposed．In the control methods of compensation current，aiming at the limitation of PI controller in compensation performance of active power filter，repetitive control is introduced in the tracking control of instruction current，and compound control strategy composed with PI controller and repetitive controller is adopted to affect the output of system．The system model based on compound control strategy is built and simulated by MATLAB/Simulink，The simulation results indicate that after compensation total harmonic distortion of the system is reduced to 1.33%， power factor is reached to 0.99，and the results demonstrate the validity and superiority of the compound control．

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Periodical:

Applied Mechanics and Materials (Volumes 291-294)

Pages:

2234-2239

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.291-294.2234

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Online since:

February 2013

Authors:

Lan Li, Xiao Xia Cao, Yong Yang

Keywords:

Active Power Filter (APF), PI Control, Power Factor, Repetitive Control, Total Harmonic Distortion (THD)

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