What is it about?
Load changing behaviour significantly affects the compensating current control performance of active power filters (APFs). Due to this effect, harmonic currents at the source can occur that significantly degrade the power quality of the system. This work proposes an adaptive repetitive controller based on a fuzzy logic algorithm to improve current control performance.
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Why is it important?
A new design approach to fuzzy membership functions is also proposed. The design concept for the adaptive repetitive controller follows a stability analysis of the compensating current control and a mathematical model of the APF.
Read the Original
This page is a summary of: An Adaptive Repetitive Controller for an Active Power Filter in Three-Phase Four-Wire Systems, IET Power Electronics, May 2020, the Institution of Engineering and Technology (the IET), DOI: 10.1049/iet-pel.2019.1401.
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