지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Wake effects cause wind turbine generators (WTGs) within a wind power plant (WPP) to produce different levels of active power and subsequent reactive power capabilities. Further, the impedance between a WTG and the point of interconnection (POI)—which depends on the distance between them—impacts the WPP’s reactive power injection capability at the POI. This paper proposes a voltage control scheme for a WPP based on the available reactive current of the doubly-fed induction generators (DFIGs) and its impacts on the POI to improve the reactive power injection capability of the WPP. In this paper, a design strategy for modifying the gain of DFIG controller is suggested and the comprehensive properties of these control gains are investigated. In the proposed scheme, the WPP controller, which operates in a voltage control mode, sends the command signal to the DFIGs based on the voltage difference at the POI. The DFIG controllers, which operate in a voltage control mode, employ a proportional controller with a limiter. The gain of the proportional controller is adjusted depending on the available reactive current of the DFIG and the series impedance between the DFIG and the POI. The performance of the proposed scheme is validated for various disturbances such as a reactive load connection and grid fault using an EMTP-RV simulator. Simulation results demonstrate that the proposed scheme promptly recovers the POI voltage by injecting more reactive power after a disturbance than the conventional scheme.
목차
Abstract
1. Introduction
2. Proposed Voltage Control Scheme for a DFIG-Based WPP
3. System Configuration
4. Case Studies
5. Conclusion
References
참고문헌 (13)
참고문헌 신청
A. Zervos, “Renewables 2013 Global Status Report”, Renewable Energy Policy Network for the 21st Century Paris, France, 2013.
J. Aho, A. Buckspan, J. Laks, P. Fleming, Y. Jeong, F. Dunne, M. Churchfield, L. Pao and K. Johnson, “A tutorial of wind turbine control for supporting grid frequency through active power control”, In Proceedings of the American Control Conference, pp. 3120–3131, 2012.
M. Liserre, R. Cardenas, M. Molinas and J. Rodriguez, “Overview of multi-MW wind turbines and wind parks”, IEEE Trans. Ind. Electron., vol. 4, pp. 1081–1095, 2011.
G. Byeon, I.K. Park and G. Jang, “Modeling and control of a doubly-fed induction generator (DFIG) wind power generation system for real-time simulations”, J. Electr. Eng. Technol., vol. 5, pp. 61–69, 2010.
M. Tsili and S. Papathanassiou, “A review of grid code technical requirements for wind farms”, IET Renew. Power Gen., vol. 3, pp. 308–332, 2009.
J. Aho, A. Buckspan, J. Laks, P. Fleming, Y. Jeong, F. Dunne, M. Churchfield, L. Pao and K. Johnson, “A tutorial of wind turbine control for supporting grid frequency through active power control”, In Proceedings of the American Control Conference, pp. 3120–3131, 2012.
M. Liserre, R. Cardenas, M. Molinas and J. Rodriguez, “Overview of multi-MW wind turbines and wind parks”, IEEE Trans. Ind. Electron., vol. 4, pp. 1081–1095, 2011.
G. Byeon, I.K. Park and G. Jang, “Modeling and control of a doubly-fed induction generator (DFIG) wind power generation system for real-time simulations”, J. Electr. Eng. Technol., vol. 5, pp. 61–69, 2010.
M. Tsili and S. Papathanassiou, “A review of grid code technical requirements for wind farms”, IET Renew. Power Gen., vol. 3, pp. 308–332, 2009.
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UCI(KEPA) : I410-ECN-0101-2016-560-002295569