backup protection

基本解释

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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Formatted for Macs with simple plug n' play connectivity, the G-DRIVE slim is Time Machine(R) ready for added backup protection.
ENGADGET: Hitachi GST's G-Drive Slim: world's thinnest 2.5-inch external hard drive
Michael Kirven, the boss of Bluewolf, one such advisory firm, says that because Amazon and other providers have made it so easy for companies to shift their services to the cloud, some customers have been lulled into thinking they don't need the same amount of backup protection as they would elsewhere.
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后备保护
It deflates the influencing area of faults and reduces operation time delay of backup protection.
该方案有效解决了变压器高压侧后备保护对中、低压侧故障灵敏度不足的问题,缩小故障影响范围,缩短后备保护动作延时。
计算机科学技术
后备保护
Conventional line backup protection relays protect a constant area through the cooperation of the action time, action value and action region.
传统线路后备保护是通过多段式保护的动作时限、动作定值和动作区的相互配合来实现一定区域间的整体保护。
备份保护