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Utilization of Energy Storage System based on the Assessment of Area of Severity in Islanded Microgrid

Authors
Lee, KyebyungYoon, MinhanPark, Chang-HyunJang, Gilsoo
Issue Date
3월-2017
Publisher
KOREAN INST ELECTR ENG
Keywords
Voltage sag; Stochastic assessment; Area of severity (AOS); Microgrid; energy storage system (ESS)
Citation
JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.12, no.2, pp.569 - 575
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
Volume
12
Number
2
Start Page
569
End Page
575
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/84262
DOI
10.5370/JEET.2017.12.2.569
ISSN
1975-0102
Abstract
This paper proposes a method to utilize an energy storage system (ESS) based on the assessment of an area of severity (AOS) to voltage sag. The AOS is defined as a set of the fault positions that can cause voltage sags at many buses simultaneously. The assessment of AOS helps to determine an optimal location of ESS installation to minimize the expected sag frequency (ESF) at concerned buses. The ESS has the ability not only to play traditionally known roles but also to mitigate voltage sag impact on renewable energy sources (RES) in the islanded microgrid. Accordingly, using the proposed method the ESS has additional features to prevent the operation failure of RESs and improve the stability of the microgrid. In order to verify the presented method, a case study was conducted on the sample microgrid system that is modified from an IEEE 57-bus system.
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Jang, Gil soo
공과대학 (전기전자공학부)
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