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In this proposed paper, Performance Improvement of Grid Tied PV System with VSC Based DVR for Voltage Sag. The world's sole ideal desire to supply unpracticed energy is to use renewable energy sources that are abundant in nature. The problem with most long-term energy sources, especially photovoltaic PV, is that they are discontinuous in nature, relying on sun-powered irradiative forcing separately, which causes power fluctuations. The DVR (Dynamic Voltage Restorer) is most often used to correct and protect critical masses from power appropriation angle fluctuations and conflicts. The aim of this question is to confront and insulate the effect of voltage shift in a lattice-connected crossover photovoltaic power system. To do so, will have to get a lot of energy and a lot of fabulous attractive powers. In order to do so, a DVR dependent on battery and fantastic attractive force stockpiling (SMES) is used as a remunerating system if a voltage list condition occurs. It was replaced with a VSC-based DVR to compensate system used is a pre-droop pay, which bolts the moment real time three portion voltage size and perspective in a conventional situation at the factor of successive coupling (PCC) and stores freely so that it can be used for pay for the span of an aggravation. The situation of even and unbalanced voltage lists is valued, and remuneration is completed by the use of the Power System. The simulation results are compared with all the features of power profile smoothing capability validated using MATLAB Simulink.