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In recent years, renewable energy resources are utilized to meet the growing energy demand. The integration of renewable energy resources with the grid incorporates power electronic converters for conversion of energy. These power electronic converters introduce power quality issues such as a harmonics, voltage regulation etc. Hence, to improve the power quality issues, this work proposes a new control strategy for a grid interconnected solar system. In this proposed work, a maximum power point tracking MPPT scheme has been used to obtain maximum power from the solar system and DC-DC converter is implemented to maintain a constant DC voltage. An active filtering method is utilized to improve the power quality of the grid connected solar system. The proposed system is validated through dynamic simulation using MATLAB-Simulink Power system toolbox and results are delivered to validate the effectiveness of the work.

KEYWORDS

Power Quality, Active Power Filter, Fuzzy Controller, Harmonics Compensation

Cite this paper

Thangaraj, K. and Gopalasamy, S. 2016 Power Quality Analysis and Enhancement of Grid Connected Solar Energy System. Circuits and Systems, 7, 1954-1961. doi: 10.4236-cs.2016.78170.





Author: Kokilavani Thangaraj1*, Selvakumar Gopalasamy2

Source: http://www.scirp.org/



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