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
- 발행연도
- 2012.5
- 수록면
- 495 - 502 (8page)
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This paper presents an improved grid voltage control strategy for wind farms with doubly-fed induction generators (DFIGs) connected to distribution networks based on an analysis of the operation limits of DFIG systems. A modified reactive power limit calculation method in different operation states is proposed and a reactive power control strategy during grid voltage dips/rises is further discussed. A control strategy for compensating unbalanced grid voltage, based on DFIG systems, by injecting negative sequence current into the grid through the grid side converter (GSC) is proposed. In addition, the negative current limit of the GSC is discussed. The distribution principle of the negative sequence current among the different DFIG systems in a wind farm is also introduced. The validity of the proposed voltage control strategy is demonstrated by Matlab/Simulink simulations. It is shown that the stability of a wind farm and the power grid can be improved with the proposed strategy.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. REACTIVE POWER LIMITS OF A DFIG
Ⅲ. VOLTAGE CONTROL STRATEGY OF DFIG WIND FARM
Ⅳ. NEGATIVE SEQUENCE VOLTAGE CONTROL OF WIND FARMS
Ⅴ. SIMULATION STUDIES
Ⅵ. CONCLUSION
ACKNOWLEDGMENT
REFERENCES
참고문헌 (18)
참고문헌 신청
1. [학술대회논문] - R. Piwko / 2006 / Integrating large wind farms into weak power grids with long transmission lines / in Proc. Power Electronics and Motion Control Conf 2 : 1 ~ 7
2. [학술대회논문] - E. Muljadi / 1999 / Understanding the unbalanced-voltage problem in wind turbine generation / in Proc. 34th IAS Annual Meeting 2 : 1359 ~ 1365
3. [학술지(정기간행물)] - N. R. Llah / 2007 / Voltage and transient stability support by wind farms complying with the E. ON Netz grid code / IEEE Trans. Power Syst 22 (4) : 1647 ~ 1656
4. [학술지(정기간행물)] - S. Muller / 2002 / Doubly fed induction generator systems for wind turbines / IEEE Ind. Appl. Mag 17 (1) : 26 ~ 33
5. [학술지(정기간행물)] - C. Jauch / 2005 / International comparison of requirements for connection of wind turbinesto power systems / Wind energy 8 (3) : 295 ~ 306
2. [학술대회논문] - E. Muljadi / 1999 / Understanding the unbalanced-voltage problem in wind turbine generation / in Proc. 34th IAS Annual Meeting 2 : 1359 ~ 1365
3. [학술지(정기간행물)] - N. R. Llah / 2007 / Voltage and transient stability support by wind farms complying with the E. ON Netz grid code / IEEE Trans. Power Syst 22 (4) : 1647 ~ 1656
4. [학술지(정기간행물)] - S. Muller / 2002 / Doubly fed induction generator systems for wind turbines / IEEE Ind. Appl. Mag 17 (1) : 26 ~ 33
5. [학술지(정기간행물)] - C. Jauch / 2005 / International comparison of requirements for connection of wind turbinesto power systems / Wind energy 8 (3) : 295 ~ 306
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