Novel algorithm for control of a shunt active power filter based on a three-level voltage source inverter
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Date
2010
Authors
Rajashekhar, S.
Vittal, K.P.
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Abstract
A three-level voltage source inverter is utilized to implement a shunt active power filter. SVPWM technique is used in the control circuit to generate the required gate pulses for the voltage source inverter. Principle of operation and analysis of the control circuit is presented. The proposed control algorithm ensures balance of dc bus voltages. Hence this active power filter is ideally suited for high power drives and transmission systems. The simulation results are presented and analyzed. The THD of load current is reduced to 6.47 % from 28.795 % in steady operation. 2010 Institute of Thermomechanics AS CR.
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Acta Technica CSAV (Ceskoslovensk Akademie Ved), 2010, Vol.55, 2, pp.149-162