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Transmission line protection systems with aided communication channels-Part I: Performance analysis methodology

机译:具有辅助通信信道的传输线保护系统-第一部分:性能分析方法

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摘要

A performance analysis methodology for transmission line primary protection systems is presented, based on a probabilistic approach to protection system successful operation. The protection system operation is represented by reliability graphs, and a probabilistic model of the distance protection is considered. The system successful operation is described by tie-sets, and solutions are obtained from Monte Carlo simulation. The system elements are characterized by the reliability factors: equipment failure rate and time to repair. The system performance is assessed by the availability index. The developed methodology is applied to a transmission line protection scheme with one aided communication channel. Results allow quantifying the influence of the fault location on the protection system performance. Results also show the influence of the equipment failure rate on the system performance.
机译:基于保护系统成功运行的概率方法,提出了一种输电线路初级保护系统的性能分析方法。用可靠性图表示保护系统的运行,并考虑距离保护的概率模型。系统成功运行通过联系集描述,解决方案从蒙特卡洛模拟获得。系统元素的特征在于可靠性因素:设备故障率和维修时间。系统性能由可用性指标评估。所开发的方法应用于具有一个辅助通信信道的传输线保护方案。结果可以量化故障位置对保护系统性能的影响。结果还显示了设备故障率对系统性能的影响。

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