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논문 기본 정보

자료유형
학술저널
저자정보
이재걸 (Korea Electric Power Corporation Research Institute) 정솔영 (Korea Electric Power Corporation Research Institute) 오승찬 (Korea Electric Power Corporation Research Institute) 송지영 (Korea Electric Power Corporation Research Institute) 구현근 (Korea Electric Power Corporation Research Institute) 신정훈 (Korea Electric Power Corporation Research Institute)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제69권 제6호
발행연도
2020.6
수록면
838 - 845 (8page)
DOI
10.5370/KIEE.2020.69.6.838

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초록· 키워드

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For various reasons, the power system stability margin is continuously decreasing. However, in case of Korea, the expansion of the transmission system is facing difficulties due to worsening social acceptability. As an alternative, a technology to increase the power system stability margin using some converter-based facilities is being proposed. In this paper, GS-ESS(Generator Stabilization Energy Storage System) was proposed as a measure to improve the angular stability of synchronous generator. To overcome the limitations of typical ESS frequency measurement methods(using PLLs), GS-ESS directly measures the rotational speed of the generator mechanically and converts it into an electrical signal.
In this case study, PSS/E simulation has been performed to analyze the effect of GS-ESS application. For this simulation, we used the 21 buses test system and GS-ESS was installed in the plant bus. And then we analyzed the effects of improving stability according to capacity and response speed in case of fault on the interconnection line between generator and power system. As a result, this case study showed that GS-ESS can be contributed to improving the angular stability of the synchronous generator.

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Abstract
1. 서론
2. 본론
3. 사례연구
4. 결론
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