Power quality improvement in a grid coupled solar PV system using grey wolf optimization

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Since the PV penetration in the utility grid is increasing rapidly, there is a need of a control strategy for the purpose of energy optimization and for providing clean and green electric power to the utility grid. In this paper, a dynamic technique is proposed employing a Fractional Order PI controller tuned using Grey Wolf Optimization Technique. The strategy provides the independent control active as well as reactive power being injected into the grid. A complete investigation on performance analysis and THD levels at different solar irradiation value were conducted on MATLAB/SIMULINK software. The efficacy of the work is validated by comparing the results obtained by using Grey Wolf Optimization with permissible IEEE standards and the observations proves the power quality improvement by reducing the THD i.e. Total Harmonic Distortion levels.




Gupta, M., & Gakhar, P. (2019). Power quality improvement in a grid coupled solar PV system using grey wolf optimization. International Journal of Innovative Technology and Exploring Engineering, 8(10), 3200–3204. https://doi.org/10.35940/ijitee.J1154.0881019

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