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In few decades, non-conventional energy sources have been consider as the most encouraging source for off-grid power generation. It is challenging task to generate power with renewable sources integrated with grid with improved power quality. In this paper, an improved current control strategy is propose for photovoltaic grid connected system for empowerment of power quality. Also a hybrid PLL is propose in this paper which detects the phase angle with high accuracy. Due to the utilization of power electronic devices, harmonics are produce in system and this one is the major concern which creates the power quality issues. It is also difficult to compensate the effects imposes on system due to non-linear loads. Thus, the priority of this paper goes for the improvement of power quality by simply reducing total harmonic distortion (THD) with maintaining balance source under non-linear load condition. This paper includes some improved features of synchronous reference frame method which leads to a low THD. The propose method is simulated in matlab environment to reveal its fruitfulness.

An Improved-SRF Strategy for Distribution Grid Connected SPV System for Power Quality Improvement under Non-linear Load Conditions