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Reliability evaluation of power system considering voltage stability and continuation power flow

机译:考虑电压稳定性和持续潮流的电力系统可靠性评估

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摘要

This article describes the methodology for evaluation of the reliability of an composite electrical power system considering voltage stability and continuation power flow, which takes into account the peak load and steady state stability limit. The voltage stability is obtained for the probable outage of transmission lines and removal of generators along with the combined state probabilities. The loss of load probabilities (LOLP) index is evaluated by merging the capacity probability with load model. State space is truncated by assuming the limits on total numbers of outages of generators and transmission lines. A prediction correction technique has been used along with one dimensional search method to get optimized stability limit for each outage states. The algorithm has been implemented on a six-bus test system.
机译:本文介绍了一种考虑电压稳定性和持续功率流的复合电力系统可靠性评估方法,该方法考虑了峰值负载和稳态稳定性极限。对于可能的传输线中断和发电机的移除以及组合的状态概率,获得了电压稳定性。通过将容量概率与负载模型合并来评估负载概率损失(LOLP)指数。假设发电机和输电线路的中断总数受到限制,则状态空间将被截断。预测校正技术已与一维搜索方法一起使用,以针对每种中断状态获得优化的稳定性极限。该算法已在六总线测试系统上实现。

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