Control Strategy for Shunt Active Power Filters with Selective Harmonic Compensation

Abstract:

To improve the flexibility of compensation and the precision of three-phase shunt active power filter (APF). A double-loop compound current controller was proposed, which repetitive controller as the outer loop, the PI controller as the inner loop. Design method in detail, dynamic response and steady-state characteristic in analysis. And put forward the compound control strategy, which combine selective harmonic detection based on multiple synchronous rotating coordinates with double-loop compound controller, achieved the compensation of zero steady-state error and selective harmonic currents. Both simulation and experimental results verify the effectiveness and correctness of the content.

• Periodical: Applied Mechanics and Materials (Volume 392)
• Pages: 450-455
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.392.450
• Online since: September 2013
• Authors: Xin Hua Yang, Xing Feng Xie
• Keywords: Compound Current Controller, Repetitive Controller, Selective Harmonic Currents Compensation, Shunt Active Power Filter

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