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井下哪些地点应装设局部接地极?

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正确答案:

(1)采区变电所(包括移动变电站和移动变压器)。

(2)装有电气设备的硐室和单独装设的高压电气设备。

(3)低压配电点或装有3台以上电气设备的地点。

(4)无低压配电点的采煤机工作面的动输巷、回风巷、集中运输巷(胶带运输巷)以及由变电所供电的掘进工作面,至少应分别设置1个局部接地极。

(5)连接高压动力电缆的金属连接装置。

答案解析:

暂无解析

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