지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.8
- 수록면
- 311 - 316 (6page)
- DOI
- 10.5207/JIEIE.2024.38.4.311
이용수
초록· 키워드
오류제보하기
The“Guarantee of Grid Connection System for Renewable Energy Projects under 1MW,” implemented in October 2016, aimed to promote small-scale renewable energy projects by ensuring grid connection and covering grid reinforcement costs by Korea Electric Power Corporation. Following this policy, applications and connections for small-scale renewable energy projects surged, with a total of 20.1GW of applications, of which 17.3GW were connected. However, indiscriminate connections have led to issues such as reverse power flow and over voltage, raising grid stability concerns. Consequently, the small-scale renewable energy grid connection system is scheduled to end in December 2023. Traditional equipment like Tap and SVR has limitations in addressing these issues, leading to the adoption of autonomous control function of the inverter for voltage control. The control function of the inverter control reactive power to adjust the point of common coupling (PCC) voltage without requiring additional equipment. This paper proposes an advanced algorithm to precisely control voltage fluctuations during line switching using the control function of the inverter. This algorithm prevents blackout caused by line outage through line switching and accurately controls voltage fluctuations using Volt-Var and DVEC functions. By modelling the inverter with Matlab/Simulink and validating voltage control results in the domestic distribution networks, the paper demonstrates how the proposed algorithm can autonomously adjust PCC voltage and maintain grid stability even during network faults.
목차
Abstract
1. 서론
2. 인버터의 계통 보조 기능
3. 상정고장을 고려한 전압제어 알고리즘
4. 시뮬레이션 및 검증
4. 결론
References
참고문헌 (10)
참고문헌 신청
Ministry of Trade Industry and Energy, “Small-scale renewable energy grid connection scheme,” 2023.
B. K. Perera, P. Ciufo, and S. Perera, “Point of common coupling (PCC) voltage control of a grid-connected solar photovoltaic (PV) system,” IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, pp. 7475-7480, 2013.
J. Schlabbach and K. Rofalski, “Power system engineering,” Wiley-VCH, 2014.
D.-H. Won and K.-B. Lee. “Combined Volt-VAR and Volt-Watt Control for PCC Voltage stabilization in Smart Inverters,” The Transactions of The Korean Institute of Electrical Engineers, vol. 72, no. 6, pp. 739-746, 2023.
D.-W. Lee, C.-H. Han, and G.-S. Jang, “A study on the volt-var curve of smart inverter based on the clustering algorithm,” The Transactions of The Korean Institute of Electrical Engineers, pp. 45-46, 2020.
B. K. Perera, P. Ciufo, and S. Perera, “Point of common coupling (PCC) voltage control of a grid-connected solar photovoltaic (PV) system,” IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, pp. 7475-7480, 2013.
J. Schlabbach and K. Rofalski, “Power system engineering,” Wiley-VCH, 2014.
D.-H. Won and K.-B. Lee. “Combined Volt-VAR and Volt-Watt Control for PCC Voltage stabilization in Smart Inverters,” The Transactions of The Korean Institute of Electrical Engineers, vol. 72, no. 6, pp. 739-746, 2023.
D.-W. Lee, C.-H. Han, and G.-S. Jang, “A study on the volt-var curve of smart inverter based on the clustering algorithm,” The Transactions of The Korean Institute of Electrical Engineers, pp. 45-46, 2020.
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