Sravani Jennela, V. Raj Kumar
Nonlinear loads generate a harmonic and reactive current, which leads to poor power factor and harmful disturbance to other appliances. Active power filters are one of the viable solutions to eliminate the harmonic/reactive currents generated by non linear loads in power lines. In this paper an APF is connected in shunt with the nonlinear loads and functions as compensating current sources to eliminate the harmonic components in the source side so that the current flow into and from the grid is in phase with grid voltage. Here APF power converter is operated in dual boost converter mode with constant switching frequency by using one cycle control method with vector operation and pulse width modulation control. The obtained simulation results were compared through which the best method has been concluded. All features are simulated in the MATLAB/SIMULINK environment
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