Integrated Size and Energy Management Design of Battery Storage to Enhance Grid Integration of Large-Scale PV Power Plants

Battery storage controlled by an energy management system (EMS) becomes an enabling technique to enhance solar farm integration. In this paper, the EMS controls battery storage to shape the fluctuated photovoltaic (PV) plant output into a relatively constant power and support the peak load. The prop...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2018-01, Vol.65 (1), p.394-402
Main Authors: Ye Yang, Qing Ye, Tung, Leonard J., Greenleaf, Michael, Hui Li
Format: Article
Language:English
Subjects:
Automation & Control Systems
Batteries
Battery storage
Electric power generation
Electric power plants
Energy management
energy management system (EMS)
Energy storage
Engineering
Fluctuations
grid integration
Instruments & Instrumentation
large-scale PV plant
Lead acid batteries
Lithium-ion batteries
Peak load
Photovoltaic cells
Power generation
Production
Rechargeable batteries
Revenue
Solar cells
State of charge
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Summary:Battery storage controlled by an energy management system (EMS) becomes an enabling technique to enhance solar farm integration. In this paper, the EMS controls battery storage to shape the fluctuated photovoltaic (PV) plant output into a relatively constant power and support the peak load. The proposed integrated design method considers both battery size and EMS impacts on the utility benefits and cost. The utility benefits include power generation, peak power support, and reduced line losses. The cost of battery storage is determined by the size and lifetime based on the developed battery models. Accordingly, the utility revenue change due to the battery storage controlled by EMS can be evaluated. Therefore, the integrated design of battery size and EMS can be determined by managing the change of utility revenue to gain economic benefits for the large-scale PV power plant application. Finally, the lithium-ion phosphate (LiFePO 4 ) battery and lead-acid battery are compared to demonstrate the proposed method on a utility system model, respectively.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2017.2721878