An improved control strategy without current sensors for DSTATCOM
by Sanath Saralaya; K. Manjunatha Sharma
International Journal of Power Electronics (IJPELEC), Vol. 9, No. 2, 2018

Abstract: An improved control strategy based on power balancing algorithm without using current sensors is presented in this paper. The mathematical model of this improved method is discussed. Point of common coupling (PCC) voltage and DC link voltage are taken as voltage commands for reference signal generation. Sinusoidal pulse width modulation is used to generate the pulses for distribution static compensator (DSTATCOM). Proportional integral (PI) controller is used to control the PCC voltage and DC link voltage of the voltage source converter of DSTATCOM. This improved method is tested for different load conditions using PSCAD/EMTDC package. The improved control strategy is validated by simulation results for linear and non-linear load conditions.

Online publication date: Tue, 05-Dec-2017

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