In this research, the voltage sag issue and its effect on crucial and non-linear loads is studied. The method for designing of DSTATCOM's different parts is stated. By employing the SPWM technique, the controlling of voltage source converter is done. Modelling of DSTATCOM is implemented using the MATLAB/Simulink software. The results truly state the role of DSTATCOM for completely reducing the voltage sags and for a rapid dynamic response. The future work focuses on the use of multilevel inverter rather than DSTATCOM.
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