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This paper presents the inverter technology using photovoltaic system with maintain stability using dynamic voltage restorer in grid connected system. Sag and swell is maintaining at permissible level of the IEEE standard. The photo voltaic system is operated with in the small converter range. To boost the voltage using high step-up DC -DC coupled converter to reduce the losses and ripple reduction to produce high output voltage is applied in the pulse width modulation technique in the inverter circuit. To enhance the stability using dynamic voltage restorer in grid connected system .PV and DVR are very useful to reduce the voltage variation in the proposed circuit. The simulation using matlab gives the better result of performance of DVR technique.