| 含分布式电源的配电网电压暂降评估 |
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| 引用本文： | 代双寅,韩民晓,严稳莉.含分布式电源的配电网电压暂降评估[J].电网技术,2011(7):145-149. |
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| 作者姓名： | 代双寅 韩民晓 严稳莉 |
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| 作者单位： | 华北电力大学电气与电子工程学院; |
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| 基金项目： | 美国能源基金会资助项目(G-0911-11768) |
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| 摘 要： | 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。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,采用系统平均均方根值变化频率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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| 关 键 词： | 电压暂降 分布式电源 配电网 蒙特卡洛法 |
Voltage Sag Assessment for Distribution Network Containing Distributed Generation |
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| DAI Shuangyin,HAN Minxiao,YAN Wenli.Voltage Sag Assessment for Distribution Network Containing Distributed Generation[J].Power System Technology,2011(7):145-149. |
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| Authors: | DAI Shuangyin HAN Minxiao YAN Wenli |
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| Affiliation: | DAI Shuangyin,HAN Minxiao,YAN Wenli(School of Electrical and Electronic Engineering,North China Electric Power University,Changping District,Beijing 102206,China) |
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| Abstract: | The voltage sag of distribution network containing distributed generation(DG) is assessed.Simulation models for synchronous machine-based DG and inverter-based DG are built respectively;then based on EMTDC/PSCAD and by use of Monte Carlo method the typical distribution network containing DGs are simulated,and the system average root mean square frequency index are utilized as the indices to evaluate voltage sag at different nodes.Based on a lot of simulation examples,the influences of the types,control stra... |
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| Keywords: | voltage sag distributed generation(DG) distribution network Monte-Carlo method |
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