Techno-Economic Analysis and Battery Storage Placement in Grid-Connected Photovoltaic (PV) System

Tee, J. Z., Chia, E. Z. D., Tan, K. H., Lim, L. H. I. , Zhou, K. and Anaya-Lara, O. (2019) Techno-Economic Analysis and Battery Storage Placement in Grid-Connected Photovoltaic (PV) System. In: 36th European PV Solar Energy Conference and Exhibition (EUPVSEC 2019), Marseille, France, 09-13 Sep 2019, pp. 1520-1525. ISBN 9783936338607 (doi:10.4229/EUPVSEC20192019-5CV.3.53)

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Abstract

Solar generation is a prominent source of renewable energy, especially for countries with an abundance of solar irradiance. In Singapore, a rooftop solar system has been deployed in shipyard to generate electricity from the highest irradiance which is in Tuas, West Region of Singapore. Due to declining cost of battery energy storage system (BESS), this industrial research study on the rooftop system focuses on the steady state stability of grid-connected photovoltaics (PV) system with BESS. A return on investment (ROI) from rooftop PV system is calculated and compared with its end of life (EOL), which shows that the payback on capital for this system is approximately 6 years. This system is then modelled in MATLAB to study the charging and discharging characteristics of the BESS when connected at different voltage levels. In addition, the power quality in the grid-connected PV system with BESS at varying state of charge is studied using a load flow analysis. The results show that the charging and discharging characteristics, as well as the power quality vary at different voltage levels and BESS’s state of charge.

Item Type:Conference Proceedings
Keywords:PV system, battery energy storage system, grid-connected.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Zhou, Dr Keliang and Tee, Jing Zhong and Lim, Dr Li Hong Idris
Authors: Tee, J. Z., Chia, E. Z. D., Tan, K. H., Lim, L. H. I., Zhou, K., and Anaya-Lara, O.
Subjects:Q Science > Q Science (General)
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Engineering > Systems Power and Energy
ISSN:2196-100X
ISBN:9783936338607

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