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差动保护装置是煤矿通信常用的保护设备,尽管差动保护装置属于电气设备,但差动保护的功能发挥对维持煤矿通信的稳定运行有着重要的作用。针对这一点,阐述了煤矿通信设备内部差动保护装置的原理及功能结构。
Although the differential protection device belongs to the electrical equipment, the differential protection device plays a very important role in maintaining the stable operation of coal mine communications. In view of this, the principle and function structure of the differential protection device inside the coal mine communication equipment are expounded.