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국내 논문지

홈 홈 > 연구문헌 > 국내 논문지 > 전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

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한글제목(Korean Title) 발전기 가속에너지를 이용한 고장파급방지장치 운전조건 완화용 전기저장장치 적정용량 산정방안
영문제목(English Title) Required Capacity Assessment of Energy Storage System for Relieving Operation Condition of SPS Using Generator Acceleration Energy
저자(Author) 송승헌   최우영   권한나   국경수   Seung-Heon Song   Woo-Yeong Choi   Han-Na Gwon   Kyung S  
원문수록처(Citation) VOL 68 NO. 01 PP. 0001 ~ 0007 (2019. 01)
한글내용
(Korean Abstract)
영문내용
(English Abstract)
Due to the highly concentrated power plants integrated through the limited transmission lines in Korea, a Special Protection System(SPS) has been applied to stabilize the power systems by instantly tripping the pre-determined generators in a large-scaled power plant when a fault occurs on the drawing transmission lines. Moreover, power outputs of those generators are constrained to avoid any activation of Under Frequency Load Shedding(UFLS) even after those generators are tripped by SPS action. For this, this paper proposes a method for calculating the required capacity of Energy Storage System(ESS) expected to relieve the operating constraints to generators using its fast response for controlling power system frequency. The proposed method uses the generator acceleration energy to derive the stable condition during the SPS action. In addition, its effectiveness is verified by the case studies adopting actual SPS operations in Korean power systems.
키워드(Keyword) Energy Storage System(ESS)   Special Protection System(SPS)   Transient stability  
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