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http://dx.doi.org/10.5762/KAIS.2020.21.4.568

A Study on Protection Method of Energy Storage System for Lithium-ion Battery Using Surge Protection Device(SPD)  

Hwang, Seung-Wook (Department of Electrical Engineering, Korea University of Technology and Education)
Lee, Hu-Dong (Department of Electrical Engineering, Korea University of Technology and Education)
Tae, Dong-Hyun (Department of Electrical Engineering, Korea University of Technology and Education)
Rho, Dae-Seok (Department of Electrical Engineering, Korea University of Technology and Education)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.4, 2020 , pp. 568-574 More about this Journal
Abstract
Recently, the installation of energy storage systems (ESSs) that have a range of functions, such as power stabilization of renewable energy sources, demand control, and frequency regulation, has been increasing annually. On the other hand, since the fire accident of ESS occurred at Gochang Power Test Center in August 2017, 29 fire accidents with significant property losses have occurred, including the Gyeongsan substation and Kunsan PV power plant. Because these fire accidents of ESS are arisen regardless of the season and capacity of ESS, an analysis of the fault characteristics in ESS is required to confirm the causes of the fire accidents accurately and ensure the safety of the ESS. This paper proposes the modeling of ESS using PSCAD/EMTDC S/W to identify the fault characteristics and ensure the safety of the ESS. From the simulation results of fault characteristics based on various scenarios, it is clear that the insulation of ESS may be breakdown due to the largely occurring CMV (common mode voltage). Furthermore, the CMV between the PCS and battery can be reduced, and the insulation breakdown of ESS can be prevented if an SPD (surge protect device) is installed in the battery and PCS sides, respectively.
Keywords
ESS; Fire Accidents; Battery; PCS; Fault Characteristics; SPD; Fuse; CMV; PSCAD/EMTDC;
Citations & Related Records
Times Cited By KSCI : 14  (Citation Analysis)
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