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继电保护和安全自动装置是电力系统最重要的二次设备,保护压板是继电保护和安全自动装置实现其功能的桥梁,在系统运行方式发生改变时,往往会相应地进行保护压板的配合投停操作,一旦发生保护压板误投、误停,都可能影响继电保护和安全自动装置功能的实现,严重时甚至会造成大面积停电事故的发生。在正常倒闸操作时,保护回路和自动装置的切换,
Relay protection and safety automatic devices are the most important secondary equipment in power system. Protective plate is the bridge between relay protection and safety automatic device to realize its function. When the system operation mode is changed, the protection plate is often matched accordingly Stop the operation, in the event of a false press plate protection, wrong stop, may affect the protection and safety automatic device function to achieve serious cases can even lead to blackouts. In the normal switching operation, the protection circuit and automatic device switching,