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Método da continuação aplicado na análise de contingência de linhas de transmissão

机译:连续法在输电线路应变分析中的应用

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摘要

This work presents a new methodology for static contingency analysis of electric power systems by using Continuation Methods. The post-contingency loading margin is obtained from the base case maximum loading point. The voltage magnitude of any bus can be used as a parameter in the parameterization step of the proposed continuation power flow. The branch selected for contingency evaluation is parameterized by a scaling factor which allows its the gradual removal and assures the continuation power flow convergence for the cases where the method would diverge for the complete transmission line removal. In general, for most of the analyzed contingencies little iterations are necessary for the determination of the post-contingency maximum loading point. It is shown that the method can be used as an alternative technique to verify and even to obtain the list of critical contingencies supplied by the electric power systems security analysis function.
机译:这项工作提出了一种新的方法,用于通过使用连续方法进行电力系统的静态应变分析。应急后的负载裕度是从基本案例的最大负载点获得的。在建议的持续功率流的参数化步骤中,任何总线的电压幅度都可以用作参数。选择用于应急评估的分支通过比例因子进行参数设置,该比例因子允许逐步删除该分支,并确保在方法将因完全传输线去除而分叉的情况下,持续潮流收敛。通常,对于大多数已分析的偶发事件,几乎没有必要进行迭代来确定偶发事件后的最大加载点。结果表明,该方法可以用作替代技术,以验证甚至获取由电力系统安全分析功能提供的紧急事件清单。

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