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电网技术  2013 

基于N-1准则的配电网重构分区评估分析

, PP. 1090-1094

Keywords: “N,1”安全准则,故障重构,分区扫描评估,多馈线负荷分担

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Abstract:

为解决配电网规划和自动化中的负荷转供问题,结合电网拓扑结构与接线模式,对故障后的配电网重构方案和影响因素进行了分析,提出了配电网重构“N?1”安全准则分区扫描实用评估分析方式,可以对配电网进行完全和逐段两种形式的“N?1”准则校验。同时开发了相应的评估软件,当单馈线无法承担转供负荷时,可以提供多馈线分担转供负荷的方案,并且解决了故障后双电源自动转切负荷对电源馈线容量裕度影响的问题。通过评估软件的分区逐段扫描结果,能够全面、有效地评估配电网的负荷转供能力,并对故障重构的各种方案进行比较。经多个配电网的实际应用,验证了该扫描评估分析方式和软件的效果。

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