Strategy to reduce solar power fluctuations by using battery energy storage system for UTeM's grid-connected solar system

Gan, Chin Kim and Tan, Pi Hua and Tee, Wei Hown and Baharin, Kyairul Azmi and Yee, Yen Hoe (2022) Strategy to reduce solar power fluctuations by using battery energy storage system for UTeM's grid-connected solar system. Bulletin of Electrical Engineering and Informatics, 11 (6). pp. 3013-3022. ISSN 2302-9285

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Abstract

Recent years have witnessed the increasing uptake of solar photovoltaic (PV) installations, ranging from a few kilowatts for residential rooftops to a few megawatts for large-scale solar farms. One of the key challenges for the solar PV systems is its dependency on the solar energy, which is intermittent in nature and highly unpredictable. In this regard, battery energy storage system (BESS) is regarded as the effective solution that can smoothen the output power fluctuation from the solar PV system. Hence, this work utilized BESS that had fast response time with high power and energy density to reduce the solar output fluctuations from a real grid-connected solar system installed at the campus rooftop. The characteristic of the PV power fluctuation and the BESS storage requirement to smooth out the fluctuation within the allowable limit were determined and analyzed. More importantly, actual solar irradiance data with an interval of one minute was utilized in this work. The findings suggest that BESS with 66% of the installed solar capacity and 21% of the average daily solar generation of the installed system are required to smoothen the solar fluctuation that exceeds the ramp rate limit of 10%/min.

Item Type:	Article
Uncontrolled Keywords:	Battery energy storage system, Power fluctuations, Ramp rate control, Solar photovoltaic system
Divisions:	Faculty of Electrical Engineering
Depositing User:	Sabariah Ismail
Date Deposited:	02 Mar 2023 12:15
Last Modified:	02 Mar 2023 12:15
URI:	http://eprints.utem.edu.my/id/eprint/26234
Statistic Details:	View Download Statistic

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