Design and Simulation of Dynamic voltage restorer ( DVR ) using SPWM and SVPWM Techniques for Voltage Sags & Voltage Swells Mitigation
نویسندگان
چکیده
This paper presents design and simulation of Dynamic voltage restorer(DVR) using sinusoidal pulse width modulation (SPWM) & space vector pulse width modulation(SVPWM). It describes the problems of voltage sags & swells and its severe impact on nonlinear loads (or) sensitive loads. DVR is a series connected device used for compensating the voltage sags & swells in distribution system. The detection of sags/swells is carried out with the help of dq0 theory, whereas the control of voltage source inverter is done with help of SPWM & SVPWM. This paper compares the total harmonic distortion(THD) of the DVR using SPWM & SVPWM. The simulation was carried out with the help of SIMULINK & MATLAB and the results were found to be in accordance with theoritical values.
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