熔断器也可用在配电网的许多一次线路中，在少数情况下，也用于大功率容量的高压设备。
Fuse are also used in many applications on distribution primary circuits and to a limited extent on bulk power high-voltage equipment.
该装置体积小，安装简便，不对原一次线路进行改动，不对线路绝缘造成威胁，解决了配电网分支线路无功参数不易测量的难题。
This equipment is easy to be fixed for its small volume. It doesn't change the primary line and has no impacts on the insulation of transmission line.
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