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同步调相机对基于LCC的特高压直流输电分层接入系统动态特性的影响研究

摘要第5-6页
Abstract第6页
Chapter 1 Introduction第9-13页
    1.1 The background and its significance第10-11页
    1.2 Literature Review第11页
    1.3 Motivation and Objective第11-12页
    1.4 Thesis organization第12-13页
Chapter 2 Modeling and simulation of LCC based UHVDC system hierarchicallyconnected to AC system第13-24页
    2.1 Structure and characteristics of the HC-UHVDC control system第14页
    2.2 Design of HC-UHVDC Control System第14-17页
        2.2.1 V-I characteristics of the LCC based HC-UHVDC system第14-16页
        2.2.2 Voltage-Dependent Current Order Limiter (VDCOL)第16页
        2.2.3 Basic Control System for HC-UHVDC Link第16-17页
    2.3 Configuration and parameters第17-19页
    2.4 Simulation第19-23页
        2.4.1 Steady state analysis of HC-UHVDC system第19-21页
        2.4.2 Transient State analysis of HC-UHVDC system第21-23页
    2.5 Summary and Conclusion of Chapter 2第23-24页
Chapter 3 Impact of Synchronous Condenser (SC) on HC-UHVDC system to mitigateCommutation Failure and fault recovery performance第24-40页
    3.1 Model of LCC Based HC-UHVDC System第24-25页
        3.1.1 Study System第24页
        3.1.2 System Parameters第24-25页
    3.2 Simulation Analysis第25-38页
        3.2.1 Investigation of SC on LCC based UHVDC system hierarchicallyconnected to AC system第25-26页
        3.2.2 Single-phase fault第26-32页
            3.2.2.1 Transient performance comparison of scenarios"1-3"第26-28页
            3.2.2.2 Commutation Failure immunity comparison of six scenarios第28-30页
            3.2.2.3 Fault recovery time comparison of six Scenarios第30-32页
        3.2.3 Three-phase to ground fault第32-38页
            3.2.3.1 Transient performance comparison of scenarios"1-3"第32-34页
            3.2.3.2 Commutation Failure immunity comparison of six scenarios第34-35页
            3.2.3.3 Fault recovery time comparison of six Scenarios第35-36页
            3.2.3.4 Commutation failure probability comparison of six scenarios第36-38页
    3.3 Summary and Conclusion of Chapter 3第38-40页
Chapter 4 Transient overvoltage (TOV) evaluation in HC-UHVDC system第40-49页
    4.1 TOV evaluation for scenarios"1-3"第40-44页
    4.2 TOV evaluation for scenarios "4-6"第44-48页
    4.3 Summary and Conclusion of Chapter 4第48-49页
Chapter 5 Conclusions and Recommendations for Future work第49-51页
    5.1 Conclusions第49-50页
    5.2 Recommendations for Future work第50-51页
REFERENCES第51-54页
ACKNOWLEDGEMENTS第54-55页
ACHIEVEMENT第55-56页
BIOGRAPHY第56-57页
APPENDIX第57-61页

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