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Cascaded Transformer Multilevel Inverter based on Active Power Filter:
The widespread increase of non-linear loads nowadays, significant amounts of harmonic currents are being injected into power systems. Active power filters (APF) have proved to be an interesting and effective solution to compensate current harmonics and reactive power in power distribution systems. In this paper, operation of APF based on asymmetric cascaded multilevel converter to compensate current harmonics, unbalance currents and reactive power in power distribution systems is discussed. Power quality improvement with proposed power electronic transformer has been verified by the simulation results with MATLAB/SIMULINK.
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