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A Novel Enhanced Active Power Control Maximum Power Point Tracking Algorithm for Photovoltaic Grid Tied SystemsKOTLA, R. W. , YARLAGADDA, S. R. |
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Author keywords
inverters, maximum power point tracking, power grids, renewable energy sources, solar power generation
References keywords
power(36), photovoltaic(15), electronics(14), systems(13), control(12), grid(8), yang(7), point(6), maximum(6), tracking(5)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2021-08-31
Volume 21, Issue 3, Year 2021, On page(s): 81 - 90
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2021.03010
Web of Science Accession Number: 000691632000010
SCOPUS ID: 85115215877
Abstract
The PV systems connected to the grid will be a very significant renewable energy source in the power systems. Numerous researchers believe that in approaching years major amount of energy on the planet will be produced by Photovoltaic grid tied systems. For this reason, it is crucial to enhance the performance of Photovoltaic grid tied systems, which is facing voltage instabilities, overloading fluctuations during the disturbances. In order to improve the performance, a novel enhanced active power control strategy with incremental conductance maximum power point tracking is proposed in order to obtain the constant power from the photovoltaic grid tied systems. Both single and two-stage Photovoltaic grid tied systems can be effectively controlled by using this algorithm with a proportional integral controller to enhance the performance and flexible to control the operating region near maximum power point. The proposed algorithm mitigates the power losses significantly by generating very few power oscillations of 0.5 kW to 1 kW and an error of about +/-0.5 to +/-0.9% which is very less oscillation as compared with the conventional perturb & observe-active power control algorithm. The effectiveness of the proposed algorithm is validated by simulation results along with stability analysis and experimental setup considering diverse operating conditions. |
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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