Flexible Active Power Control Strategy for Photovoltaic System Based on Current Limiting Control Method 
E. Sarathchandra Reddy1, Ch. Chengaiah2
1E Sarath Chandra Reddy*, Research Scholar with the Department of Electrical and Electronics Engineering, Sri venkateswara University college of Engineering, Tirupati 517502 India.
2Ch Chengaiah, Professor with the Department of Electrical and Electronics Engineering, Sri venkateswara University college of Engineering, Tirupati 517502 India.
Manuscript received on December 16, 2021. | Revised Manuscript received on December 18, 2021. | Manuscript published on December 30, 2021. | PP: 37-42 | Volume-11, Issue-2, December 2021 | Retrieval Number: 100.1/ijitee.B96681211221 | DOI: 10.35940/ijitee.B9668.1211221
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Abstract: India is country with abundant solar energy availability. The annual solar energy output exceeds the total energy output of India’s non renewable energy sources. As increasing installation of renewable energy sources into the grid. The fluctuations of power based on operating climate conditions like solar insulation and temperature is highly depends as it is not possible to limit such installations with time the penetration level of renewable sources will increase to meet demand with green energy. This paper proposed a flexibly power point tracking (FPPT) control of active power in photovoltaic system to achieve reserve capacity with Power Limiting Control (PLC) which will provide high stability to existing system without overloading it thus a proper integration to the grid and to mitigate adverse negative effects of high level integrations are possible with modified grid codes in stand of replacement of existing grid. Matlab/Simulink software package is used to make the model and effectiveness of the propose system is tested with Simulink environment.
Keywords: Flexible Power Point Tracking, Maximum Power Point Tracking, Photovoltaic, Perturb and Observe, Power Limiting Control.
Scope of the Article: Electrical and Electronics Engineering.