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Research on the mal-operation prevention in substation based on the three-states topological algorithm
Author(s): 
Pages: 145-149
Year: Issue:  18
Journal: Relay

Abstract: 变电站一次设备操作防误闭锁判断不仅要考虑设备的带电情况,还需考虑到设备是否接地.利用网络拓扑算法,能把变电站一次设备的带电、停电与接地这三种运行状态实时计算出来.给出了三态拓扑模型及计算步骤,分析算法在五防判断中的应用.结合IEC61850标准,介绍了算法在变电站自动化系统中的实现场景.利用网络拓扑计算来判断误操作,具有逻辑闭锁规则简单、实施方便的特点,由于是采用通用的防误判断,能够有效地避免操作...
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