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논문 기본 정보

자료유형
학술저널
저자정보
Ahmad Ghafari Gusheh (Islamic Azad University) Mohsen Hosseinzadeh Soreshjani (Islamic Azad University) Omid Rahat (Islamic Azad University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.3
발행연도
2016.5
수록면
543 - 550 (8page)

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초록· 키워드

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The Active Superconducting Current Controller (ASCC) is a new type of Superconducting Fault Current Limiters (SFCL) which can limit the fault current in different modes. It also has the particular abilities of compensating active and reactive powers for electrical networks. In this paper, it is confirmed that the performance of ASCC in different operating modes introduces a limiting impedance in series with the network which can even degrade the transient stability and the operation of the Over-Current Relays (OCR) employed in a power system. In addition, the model of a three-phase ASCC is simulated, and the effect of descriptive modes on the current limiting level is investigated. For the transient stability analysis, a single machine-infinite bus system is tested, and the effect of operation modes is studied based on an equal area criterion obtaining the critical time and the critical angle. Modifying the setting parameters of OCR such as time dial and pick-up current, the protective coordination is also studied in different operating modes.

목차

Abstract
1. Introduction
2. Description and Modeling
3. Transient Stability Analysis
4. Analysis of Overcurrent Relay Operation
5. Simulation Results
6. Conclusion
7. Symbols
References

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