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This paper introduces a novel system based on integration of solar power generator with grid for optimal utilization of energy by minimizing the power drawn from grid. A prototype grid integrated PV system comprising of PV module (2*75 Wp), battery bank (12 V, 2*80 Ah) as an energy storage device and an intelligent, adaptive inverter (300 W) has been developed and successfully implemented at site. A grid quality AC power, has been obtained with a low (< 5%) total harmonic distortion (THD) sine wave output. A micro grid network concept introduced in the system has resulted in a saving of 50% or even more grid power.
Date of Conference: 12-13 March 2010