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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.9
- 수록면
- 1,884 - 1,893 (10page)
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초록· 키워드
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The ride-through control of a doubly-fed induction generator (DFIG) for the voltage sags on wind farms utilizing crowbar circuits by which the rotor side converter (RSC) is disabled has being reported in many literatures. An analysis and calculation of the transient current when the RSC is switched off are of significance for carrying out the low voltage ride through (LVRT) of a DFIG. The mathematical derivation is highlighted in this paper. The zero-state and zero-input responses of the transient current in the frequency domain through a Laplace transformation are investigated, and the transient components in the time domain are achieved. With the characteristics worked out from the linear resolving without modeling simplification, the selection of the resistance in the linear crowbar circuit and the value conversion from a linear circuit to a nonlinear one is proposed to setup the attenuation rate. In terms of grid code requirements, the theoretical analysis for the time constant of the transient components attenuation insures the controllability when the excitation of the RSC is resumed and it guarantees the reserved time for the response of the reactive power compensation. Simulations are executed in MATLAB/SIMPOWER and experiments are carried out to validate the theoretical analysis. They indicate that the calculation method is effective for selection of the resistance in a crowbar circuit for LVRT operations.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. RESOLVING OF THE TRANSIENT CURRENT DURING VOLTAGE SAGS
Ⅲ. SELECTION OF CROWBAR RESISTOR FOR THE LINEAR CIRCUIT
Ⅳ. ANALYSIS OF THE FUNDAMENTAL WAVE COMPONENT FOR A NONLINEAR CROWBAR
Ⅴ. SIMULATION RESULTS
Ⅵ. EXPERIMENTAL VALIDATION OF THE PROPOSED CALCULATION METHOD
Ⅶ. CONCLUSIONS
REFERENCES
참고문헌 (17)
참고문헌 신청
[학술지(정기간행물)] - Y. He / 2009 / Overview of the low voltage ride-through technology for variable speed constant frequency doubly fed wind power generation systems / Transactions of China Electrotechnical Society 24 (9) : 140 ~ 146
[학술지(정기간행물)] - J. Morren / 2007 / Short-circuit current of wind turbines with doubly-fed induction generator / IEEE Trans. Energy Convers 22 (1) : 174 ~ 180
[학술대회논문] - J. Zhai / 2012 / Three-phase symmetrical short circuit current characteristic analysis of doubly fed induction generator with crowbar protection / IEEE PES Innovative Smart Grid Technologies : 1 ~ 5
[학술대회논문] - H. Soliman / 2013 / Analysis of the dynamic behavior of a DFIG during grid disturbances using active crowbar protection / 12th International Conference on Environment and Electrical Engineering (EEEIC) : 160 ~ 163
[학술대회논문] - M. Ding / 2012 / Analysis of low voltage ride through ability of variable speed constant frequency wind turbine based on crowbar protection / Asia-Pacific Power and Energy Engineering Conference (APPEEC) : 1 ~ 5
[학술지(정기간행물)] - J. Morren / 2007 / Short-circuit current of wind turbines with doubly-fed induction generator / IEEE Trans. Energy Convers 22 (1) : 174 ~ 180
[학술대회논문] - J. Zhai / 2012 / Three-phase symmetrical short circuit current characteristic analysis of doubly fed induction generator with crowbar protection / IEEE PES Innovative Smart Grid Technologies : 1 ~ 5
[학술대회논문] - H. Soliman / 2013 / Analysis of the dynamic behavior of a DFIG during grid disturbances using active crowbar protection / 12th International Conference on Environment and Electrical Engineering (EEEIC) : 160 ~ 163
[학술대회논문] - M. Ding / 2012 / Analysis of low voltage ride through ability of variable speed constant frequency wind turbine based on crowbar protection / Asia-Pacific Power and Energy Engineering Conference (APPEEC) : 1 ~ 5
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UCI(KEPA) : I410-ECN-0101-2017-560-001109944