This research article presents a Photovoltaic (PV) and battery-supported Series Hybrid Active Power Filter (SHAPF), which includes a series APF (SAPF), parallel-connected passive filter, and PV system with a battery energy storage unit. The PV-supported SHAPF provides compensation against the voltage harmonics, current harmonics, and voltage interruption for a whole day. The SHAPF systems need certainty in order to provide active power to the power system to maintain the load voltage level during voltage sag. Conventionally, the SAPF has the capacity to compensate for a limited amount of active power in the system. Thus, additional energy sources need to be added into the dc link of the SAPF. The proposed SHAPF circuitry utilizes the renewable energy source with an energy storage unit to meet the dc-link voltage requirement of the SAPF. Additionally, it exports the power that is generated in the PV system to the load. The series inverter is used to supply part of or the entire reactive power required by the load along with compensating the sag and swell, supply voltage unbalance, and distortions. This is achieved by controlling the phase angle and the magnitude of series-injected voltage, which is called the power angle control method. The fuzzy logic controller-based power angle control method is employed to compensate the voltage-based disturbances in the distribution system. The performance of the PV and battery-supported SHAPF is evaluated by conducting MATLAB/Simulink simulation and experimental studies.
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