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并联电容器对VSC-HVDC供电无源网络的影响 被引量:1

The Impact of Shunt Reactors on Passive Electronical Networks with VSC-HVDC Power Supply
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摘要 当负荷超过基于电压源换流器的高压直流输电(VSC-HVDC)系统的调节能力时,其不能满足负荷的需求。基于VSC-HVDC的稳态物理模型,设计了其供电无源网络时的控制系统。分析了在逆变侧母线投入并联电容器时对VSC-HVDC系统调节能力和输送功率的影响,提出了由VSC-HVDC和电容器组成的"可变电容器"的理念。PSCAC/EMTDC仿真结果证明了所设计控制系统的有效性。同时证明了并联电容器可以改善VSC-HVDC供电无源网络时的调节特性和输送功率能力;且当负荷增加时,"可变电容器"对无功功率的调节具有速度快,冲击小的特点。
作者 乔丽 程佳音
出处 《东北电力技术》 2009年第5期43-46,共4页 Northeast Electric Power Technology
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参考文献7

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二级参考文献25

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