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双馈风电场次同步振荡分析及自适应抑制策略研究

中文摘要第3-4页
ABSTRACT第4-5页
1 INTRODUCTION第8-20页
    1.1 Background第8-10页
    1.2 SSR definition and classification第10-12页
    1.3 SSR Analysis Methods第12-14页
    1.4 Wind Farms Vulnerability to Sub-Synchronous Resonance第14-16页
    1.5 Incident in DFIG installation effects and causes第16-18页
    1.6 Thesis Objectives第18-20页
2 MODELING OF DFIG-BASED WIND TURBINE第20-31页
    2.1 Power System Model with DFIG-Based Wind Farm第20-21页
    2.2 Wind-Turbine Aerodynamics第21页
    2.3 Drive Train System modeling of the wind turbine第21-23页
    2.4 Model of Turbogenerator Shaft System第23-24页
    2.5 Synchronous generator modeling第24-25页
    2.6 Pitch Control第25-26页
    2.7 Generator modeling第26-28页
    2.8 Modeling of the DFIG Converter Controllers第28-29页
    2.9 DC-Link Model第29-30页
    2.10 Summary第30-31页
3 SSR ANALYSIS OF POWER SYSTEM INTEGRATED WITHDFIG-BASED WIND FARM第31-48页
    3.1 Design of Supplementary control loop第31-32页
    3.2 Simple adaptive controller第32-34页
    3.3 Simulations第34-37页
    3.4 series compensation basics第37-38页
    3.5 Induction generator effect (IGE)第38-44页
        3.5.1 IGE Modes and Participation Factors第40页
        3.5.2 Calculation of the IGE Mode for Different Operating Points of the DFIG第40-41页
        3.5.3 Impact of Compensation Level Variations on the Stability of the IGE第41-42页
        3.5.4 Impact of Wind Speed Variations on the Stability of IGE第42页
        3.5.5 Time-Domain Simulation in PSCAD/EMTDC第42-44页
    3.6 TORSIONAL INTERACTIONS (TI)第44-47页
        3.6.1 Impact of Series Compensation Level Variations on the Stability of TI第45页
        3.6.2 Time-Domain Simulation of TI in PSCAD/EMTDC第45-47页
    3.7 Summary第47-48页
4 ADAPTIVE CONTROL STRAGEIES TO DAMPING SSE OF POWER SYSTEM INTEGERATED WITH DFIG-BASED WINDFARM第48-61页
    4.1 Adaptive controller strategy第48-49页
    4.2 Model Reference Adaptive Control (MRAC)第49-50页
    4.3 Evaluating the convergence of Adaptive controller strategy第50-56页
    4.4 Gain-Scheduling Adaptive Control第56-57页
    4.5 Variation of DFIG Operating Point第57-59页
    4.6 Adaptive SSRDC Design第59-60页
    4.7 Summary第60-61页
5 CONCLUSION第61-63页
ACKNOWLEDGEMENTS第63-64页
REFERENCES第64-70页
APPENDIX第70页
    A Main Parameters第70页
    B Academic Achievements第70页

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