注意：不能短接安全回路及轿门，厅门接点。
Attention: do not bridge over safety devices and door contacts!
配备安全回路，锡温未达设定温度，马达无法运转。
Equipped with safety circuit, tin Weida temperature setting temperature, the motor can operate.
文中对矿井提升机的电控系统，诸如电气传动方案、速度给定电路、故障监测及安全回路等问题进行了简要介绍。
This paper briefly introduces the electric control system of mine hoist, such as electric transmission way, speed giving circuit, fault detection etc.
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