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电网技术  2011 

含分布式电源的配电网电压暂降评估

, PP. 145-149

Keywords: 电压暂降,分布式电源,配电网,蒙特卡洛法

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Abstract:

本文运用蒙特卡洛法研究了含分布式电源的配电网电压暂降评估。首先分别建立了同步机型DG和逆变器型DG的仿真模型。然后基于EMTDC/PSCAD运用蒙特卡洛法对含分布式电源的典型配电网进行了仿真,采用SARFIx指标作为评价各节点电压暂降的指标。结合多个仿真算例分析了DG的类型、控制策略、出力和接入位置对电压暂降的影响。仿真结果表明,逆变器型DG的接入能够降低配电网电压暂降的发生频次,DG的控制策略、出力和接入位置都会对电压暂降产生一定的影响,这为配置分布式电源和缓解电压暂降问题提供了参考。

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