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广域保护系统数据网络可靠性评估

, PP. 344-350

Keywords: 广域保护系统,骨干网络,相量数据集中器,信息流

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Abstract:

本文提出一种广域保护系统数据网络可靠性评估方法.通过对系统硬件可靠性和信息流有效性进行综合评估,实现整体的可靠性估计.首先通过对广域保护系统数据网络典型层次结构,建立故障树可靠性模型,基于此对相量测量单元本地网络和骨干网络进行硬件可靠性评估.其次,考虑相量测量单元数据信息流和控制中心控制命令信息流.最后通过算例进行了量化评估,结果证明广域保护系统数据网络可靠性不仅取决于通信元件的可靠性,同时取决于相量数据集中器(PDC)参数设置和控制命令发送机制.

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