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一种智能配电网安全运行控制方法

, PP. 357-366

Keywords: 分布式电源,节点电压与线路负载率,多阶段决策,灵敏度分析

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Abstract:

分布式电源(DGs)高渗透率接入,将改变配电网结构及潮流分布,需要对传统电压与负载率的控制方法进行改进.本文通过分析分布式电源接入后对配电网电压及负载率的影响,提出了一种基于灵敏度分析的多阶段决策的节点电压与线路负载率实时控制方法,有机融合了调节分布式电源出力,调节无功补偿装置,网络重构以及切负荷等控制手段,各阶段根据指标函数值判断是否执行.以改进IEEE33节点系统作为算例,仿真一天内负荷及分布式电源出力的变化,对于节点电压与线路负载率越过限值时刻给出相应的控制措施,结果验证了本文方法的正确性.

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