| Summary: | Shunt active power filters (APF), which are the most momentous part of a power system, reduce different types of harmonics. Advancements in technology demand smaller, faster, accurate, and more functional filters that are resistant to static and dynamic issues. To enhance the performance of a shunt APF, an instantaneous mass complex control (IMCC) strategy, which is based on a synchronous frame, is proposed in this paper. The advantages of the proposed strategy, such as lower equipment costs and simplified APF, can be achieved by introducing low-cost sensors to eliminate the harmonic detector. The proposed new repetitive controller and a proportional-integral controller in parallel provide a shorter convergence time with a higher response. To improve the system stability to a higher margin, a dumping coefficient is introduced. The algorithm of the design controller and simulation and experiments are detailed to demonstrate the satisfying performance of the proposed controller.
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