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논문 기본 정보

자료유형
학술저널
저자정보
Byung-ki Kim (Korea University of Technology) Sung-sik Choi (Korea University of Technology) Yong-peel Wang (Electrical Industry Research Institute of Korea) Eung-sang Kim (Korea Electric Research Institute) Dae-seok Rho (Korea University of Technology)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.10 No.3
발행연도
2015.5
수록면
838 - 846 (9page)

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초록· 키워드

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This paper deals with the modified modeling of PV system based on the PSCAD/EMTDC and optimal control method of customer voltages in real distribution system interconnected with the photovoltaic (PV) systems. In order to analyze voltage variation characteristics, the specific modeling of PV system which contains the theory of d-q transformation, current-control algorithm and sinusoidal PWM method is being required. However, the conventional modeling of PV system can only perform the modeling of small-scale active power of less than 60 [kW]. Therefore, this paper presents a modified modeling that can perform the large-scale active power of more than 1 [MW]. And also, this paper proposes the optimal operation method of step voltage regulator (SVR) in order to solve the voltage variation problem when the PV systems are interconnected with the distribution feeders. From the simulation results, it is confirmed that this paper is effective tool for voltage analysis in distribution system with PV systems.

목차

Abstract
1. Introduction
2. Modeling for real distribution system
3. PV Modeling Based on the PSCAD/EMTDC
4. Modeling of SVR operation method
5. Case Studies
6. Conclusions
References

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