138 New Series and Parallel Active Power Filter for Small Non Linear Loads and Computers Loads Simulation and Experimental Work
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This paper contains a new series and parallel single-phase active power filter based on high input power factor and low input harmonics; it is for power quality purposes. The filters are designed to meet the requirements of voltage-current sourced harmonic loads it is based on a load current estimation using a DC capacitor voltage of active power filter sensing the load current. The proposed filters can improve the problems of a non-linear loads like as washing machines, faxes, photocopier machines printers, computers…etc and it also can suppress the harmonic current and compensate for the reactive power at the float charge mode. The simulation results and experimental results verify that the proposed filters have the expected performance.