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논문 기본 정보

자료유형
학술저널
저자정보
Byung-ki Kim Jae-Beom Park (Korea University of Technology) Sung-Sik Choi (Korea University of Technology) Moon-Seok Jang (Korea Institute of Energy Research) Dae-Seok Rho (Korea University of Technology)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.12 No.1
발행연도
2017.1
수록면
11 - 18 (8page)

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초록· 키워드

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In order to maintain customer voltages within the allowable limit(220±13V) as much as possible, tap operation strategy of SVR(Step Voltage Regulator) which is located in primary feeder, is widely used for voltage control in the utilities. However, SVR in nature has operation characteristic of the delay time ranging from 30 to 150 sec, and then the compensation of BESS (Battery Energy Storage System) during the delay time is being required because the customer voltages in distribution system may violate the allowable limit during the delay time of SVR. Furthermore, interconnection of PV(Photovoltaic) system could make a difficultly to keep customer voltage within the allowable limit. Therefore, this paper presents an optimal coordination operation algorithm between BESS and SVR based on a conventional LDC (Line Drop Compensation) method which is decided by stochastic approach. Through the modeling of SVR and BESS using the PSCAD/EMTDC, it is confirmed that customer voltages in distribution system can be maintained within the allowable limit.

목차

Abstract
1. Introduction
2. Operation Strategy of BESS Depending on SVR Control Mode
3. Coordination algorithm of SVR and BESS
4. Modeling of SVR and BESS using the PSCAD/EMTDC
5. Case Studies
6. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-560-002013247