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.
이 논문의 연구 히스토리 (4)
2016
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초록· 키워드
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In a power grid that has a high penetration of wind power, the highly-fluctuating output power of wind turbine generators (WTGs) adversely impacts the power quality in terms of the system frequency. This paper proposes a power smoothing scheme of a variable-speed WTG that can smooth its fluctuating output power caused by varying wind speeds, thereby improving system frequency regulation. To achieve this, an additional loop relying on the frequency deviation that operates in association with the maximum power point tracking control loop, is proposed; its control gain is modified with the rotor speed. For a low rotor speed, to ensure the stable operation of a WTG, the gain is set to be proportional to the square of the rotor speed. For a high rotor speed, to improve the power smoothing capability, the control gain is set to be proportional to the cube of the rotor speed. The performance of the proposed scheme is investigated under varying wind speeds for the IEEE 14-bus system using an EMTP-RV simulator. The simulation results indicate that the proposed scheme can mitigate the output power fluctuation of WTGs caused by varying wind speeds by adjusting the control gain depending on the rotor speed, thereby supporting system frequency regulation.
목차
Abstract
1. 서론
2. 회전자 속도에 따라 변하는 게인에 기반한 가변속 풍력발전기의 출력 평활화
3. 모델 계통
4. 사례 연구
5. 결론
References
참고문헌 (17)
참고문헌 신청
N. W. Miller, M. Shao, S. Venkataraman, C. Loutan, and M. Rothleder, “Frequency response of California and WECC under high wind and solar conditions,” in Proc. IEEE PES General Meeting, 2012, pp. 1-8.
L. Ruttledge, N. W. Miller, J. O’Sullivan, and D. Flynn, “Frequency response of power systems with variablespeed wind turbines,” IEEE Trans. Sustain. Energy, vol. 3, no. 4, pp. 683-691, Oct. 2012.
E. Fagan, S. Grimes, J. McArdle, P. Smith, and M. Stronge, “Grid code provisions for wind generators in Ireland,” in Proc. IEEE PES General Meeting, 2005, vol. 2, pp. 1241-1247.
EirGrid, “Controllable wind farm power station grid code provisions, EirGrid (Ireland) Grid Code,” ver. 3.1, 2008.
I. D. Margaris, A. D. Hansen, N. A. Cutululis, P. Sorensen, and N. D. Hatziargyriou, “Impact of wind power in autonomous power systems–Power fluctuations–Modelling and control issues,” Wind Energy, vol. 14, no. 1, pp. 133-153, 2011.
L. Ruttledge, N. W. Miller, J. O’Sullivan, and D. Flynn, “Frequency response of power systems with variablespeed wind turbines,” IEEE Trans. Sustain. Energy, vol. 3, no. 4, pp. 683-691, Oct. 2012.
E. Fagan, S. Grimes, J. McArdle, P. Smith, and M. Stronge, “Grid code provisions for wind generators in Ireland,” in Proc. IEEE PES General Meeting, 2005, vol. 2, pp. 1241-1247.
EirGrid, “Controllable wind farm power station grid code provisions, EirGrid (Ireland) Grid Code,” ver. 3.1, 2008.
I. D. Margaris, A. D. Hansen, N. A. Cutululis, P. Sorensen, and N. D. Hatziargyriou, “Impact of wind power in autonomous power systems–Power fluctuations–Modelling and control issues,” Wind Energy, vol. 14, no. 1, pp. 133-153, 2011.
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UCI(KEPA) : I410-ECN-0101-2016-560-002755239