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智能变电站继电保护系统采用了不同的跳闸方式,形成的典型的设计结构为可靠性构造。这种可靠性框图法构建包含了概率灵敏度和元件灵敏度在内的直采直跳等模式,针对继电保护的薄弱环节给予了系统的优化设计。本文围绕智能变电站继电保护系统可靠性展开论述,重点分析系统元件的运维、智能变电站继电保护设计、运营维护的发展等。
Intelligent substation relay protection system uses a different trip method, the formation of a typical design structure for the reliability of the structure. This reliability diagram builds a model including direct-see-through and direct-jump with probability sensitivity and component sensitivity, and systematically optimizes the weak points of the relay protection. This article focuses on the reliability of relay protection system in smart substation, focusing on analyzing the operation and maintenance of system components, the relay protection design of intelligent substation and the development of operation and maintenance.