FLC Based on a Performance Analysis of Direct Power Control with SVPWM for Shunt Active Power Filter
Keywords:
Shunt Active Power Filter (SAPF), Direct Power Control (DPC), Space Vector Modulation SVM, Total Harmonic Distortion (THD), Fuzzy logic controllerAbstract
This paper presents a proposal for a fuzzy controlled shunt active power filter that aims to minimise the harmonics produced by the “non-linear load connected to the three-phase grid.” This study proposes a remedy for the limitations of conventional DPC control by integrating direct power control with space vector modulation, a technique often used in shunt active power filters. From here on, the main objective will be to develop a control mechanism that efficiently reduces the current total harmonic distortion (THD) and power ripple, resulting in the best possible results. This method is based on the substitution of switching tables and hysteresis controllers with a vector modulator and PI controllers to provide a constant switching frequency throughout operation. A comparison study is conducted between a PI controller and a fuzzy logic controller, with additional measures taken to reduce harmonics. The researcher conducts a series of simulations using the Matlab / Simulink environment. The simulations produce graphs that show the outcomes over time.
References
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