Distribution and capacity of the traction substation facility shall satisfy the requirement of the velocity aim traffic volume marshalling and running interval of main line.

牵引变电站设施的分布与容量应满足干线的速度目标、交通量、编组以及运行间隔要求。

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Control substation underground realizes to direct control for the field apparatus, at the same time, to collect and transmit of different kinds of guard signals and equipments running status.

井下控制分站实现对井下现场设备的直接控制，同时完成设备运行状态及各种保护信号的采集与传输。

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The relay control wiring, also known as"secondary wiring", plays an important part in the safely operating, running and maintaining in the power plant and the substation.

发电厂和变电所的继电控制接线，又称为“二次接线”，是发电厂和变电所安全生产、运行维护的重要组成部分。

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