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논문 기본 정보

자료유형
학술저널
저자정보
Seong-Su Shin (Korea Electric Association) Joon-Seok Oh (Korea Electric Power Corporation) Su-Hyeong Jang (LS industrial System Corporation) Jae-Hun Cha (Chungbuk National University) Jae-Eon Kim (Chungbuk National University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.3
발행연도
2017.5
수록면
1,007 - 1,015 (9page)

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초록· 키워드

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This paper proposes a new control technique of energy storage system (ESS) for smoothing the active power of renewable energy sources (RES) such as photovoltaic and wind turbine generation. As the penetration of RES into grid increases, it is difficult to maintain the permissible level of power quality, that is, voltage and frequency fluctuation in power systems. To solve this problem, ESS control methods using low pass filter (LPF) have been proposed for mitigating the fluctuation of RES output. However, those have a lot of drawbacks which need to be supplemented. Hence, this paper presents the improved active power control with additional reactive power control for maintaining power quality properly. The proposed method minimizes the capacity of ESS to be required for smoothing RES output fluctuation through mitigation of phase delay problem in LPF. In addition, the voltage regulation improves by using additional reactive power control. The proposed method was verified through simulation analysis using PSCAD/EMTDC.

목차

Abstract
1. Introduction
2. Control Structure of Power Smoothing Control
3. Drawbacks to Conventional Power Smoothing Control using LPF
4. Proposed Power Control Method of ESS for Power Smoothing Control
5. Simulation Result and Analysis
6. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-560-002385264