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http://dx.doi.org/10.6113/TKPE.2019.24.2.111

A Study on Constant Power Generation Algorithms for a Whole Range Power Point Tracking in Photovoltaic Systems  

Yang, Hyoung-Kyu (School of Electrical and Electronic Eng., Yonsei Univ.)
Bang, Taeho (School of Electrical and Electronic Eng., Yonsei Univ.)
Bae, Sunho (Advanced Converter R&D Part, Digital Transformation Center, LSIS Co., LTD.)
Park, Jung-Wook (School of Electrical and Electronic Eng., Yonsei Univ.)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.24, no.2, 2019 , pp. 111-119 More about this Journal
Abstract
In this study, constant power generation (CPG) algorithms are introduced for whole range power point tracking in photovoltaic systems. Currently, maximum power point tracking (MPPT) algorithm is widely used for high-power photovoltaic systems. However, MPPT algorithm cannot flexibly control such systems according to changing grid conditions. Maintaining grid stability has become important as the capacity of grid-connected photovoltaic systems is increased. CPG algorithms are required to generate the desired power depending on grid conditions. A grid-connected photovoltaic system is configured, and CPG algorithms are implemented. The performances of the implemented algorithms are compared and analyzed by experimental results.
Keywords
Photovoltaic system; CPG(Constant Power Generation); MPPT(Maximum Power Point Tracking); Whole range power point tracking;
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