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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.4
- 발행연도
- 2016.7
- 수록면
- 801 - 809 (9page)
이용수
초록· 키워드
오류제보하기
The electrically excited synchronous generator (EESG) is applied in wind turbine systems recently. In an EESG control system, electrical torque is affected by stator flux and rotor current. So the control system is more complicated than that of the permanent-magnet synchronous generator (PMSG). Thus, the higher demanding of the control system is required especially in case of wind turbine mechanical resonance. In this paper, the mechanism of rotor speed resonant phenomenon is introduced from the viewpoint of mechanics firstly, and the characteristics of an effective damping torque are illustrated through system eigenvalues analysis. Considering the variables are tightly coupled, the four-order small signal equation for torque is derived considering stator and rotor control systems with regulators, and the bode plot of the closed loop transfer function is analyzed. According to the four-order mathematical equation, the stator flux, stator current, and electrical torque responses are derived by torque reference step and ramp in MATLAB from a pure mathematical deduction, which is identical with the responses in PSCAD/EMTDC simulation results. At last, the simulation studies are carried out in PSCAD software package to verify the resonant damping control strategy used in the EESG wind turbine system.
목차
Abstract
1. Introduction
2. Mechanical Model of Wind Turbine and Damping Torque Analysis
3. Modeling of Electrically Excited Synchronous Generator
4. Modeling of Torque Control System of Electrically Excited Synchronous Generator
5. Model Verified and Resonant Damping Simulation
6. Conclusion
References
참고문헌 (21)
참고문헌 신청
[인터넷자원] - / / Global wind report annual market update 2014
[인터넷자원] - / / global wind energy outlook 2014
[학술대회논문] - Abdullah / 2013 / A Pitch control design for optimum energy capture in variable-speed wind turbines / Systems, Signals & Devices, 2013 10th international multi-conference
[학술지(정기간행물)] - M. Liserre / 2011 / Overview of multi-MW wind turbines and wind parks / IEEE Trans. on Industrial Electronics 54 (4) : 1081 ~ 1095
[학술지(정기간행물)] - Ribrant / 2007 / Survey of Failures in Wind Power Systems With Focus on Swedish Wind Power Plants During 1997-2005 / IEEE Trans. on Energy conversion 21 (1) : 167 ~ 173
[인터넷자원] - / / global wind energy outlook 2014
[학술대회논문] - Abdullah / 2013 / A Pitch control design for optimum energy capture in variable-speed wind turbines / Systems, Signals & Devices, 2013 10th international multi-conference
[학술지(정기간행물)] - M. Liserre / 2011 / Overview of multi-MW wind turbines and wind parks / IEEE Trans. on Industrial Electronics 54 (4) : 1081 ~ 1095
[학술지(정기간행물)] - Ribrant / 2007 / Survey of Failures in Wind Power Systems With Focus on Swedish Wind Power Plants During 1997-2005 / IEEE Trans. on Energy conversion 21 (1) : 167 ~ 173
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