backup protection

常见例句

A new scheme for transformer backup protection based on longitudinal comparison principle is proposed.
提出了一种基于纵联比较原理的变压器后备保护新方案。
The traditional protection has some shortcomings: long operation time of backup protection, not distinguishing overload from fault of line and so on.
传统保护存在后备保护动作时间过长和不能区分线路过载与故障等不足。
For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.
对于后备保护装置防止高阻抗接地故障，将配置一只双极方向过电流继电器，同瞬时跳闸附件的时间成反比。
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