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논문 기본 정보

자료유형
학술저널
저자정보
Seung-Chan Oh (Korea University) Hwan-Ik Lee (Korea Electric Power Corporation) Yun-Hwan Lee (Seoul National University of Science and Technology) Byong-Jun Lee (Korea University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.13 No.5
발행연도
2018.9
수록면
1,798 - 1,806 (9page)

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초록· 키워드

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When a contingency occurs in a large transmission route in a power system, it can generate various instabilities that may lead to a power system blackout. In particular, transient instability in a power system needs to be immediately addressed, and preventive measures should be in place prior to fault occurrence. Measures to achieve transient stability include system reinforcement, power generation restriction, and generator tripping. Because the interpretation of transient stability is a time domain simulation, it is difficult to determine the efficacy of proposed countermeasures using only simple simulation results. Therefore, several methods to quantify transient stability have been introduced. Among them, the single machine equivalent (SIME) method based on the equal area criterion (EAC) can quantify the degree of instability by calculating the residual acceleration energy of a generator. However, method for generator tripping effect evaluation does not have been established. In this study, we propose a method to evaluate the effect of generator tripping on transient stability that is based on the SIME method. For this purpose, the measures that reflect generator tripping in the SIME calculation are reviewed. Simulation results obtained by applying the proposed method to the IEEE 39-bus system and KEPCO system are then presented.

목차

Abstract
1. Introduction
2. Conventional SIME Method
3. SIME Configuration with Generator Tripping
4. Case study
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2018-560-003325271