设有过电流保护装置，保护可靠。
Over-current protection device, ensuring reliable protection.
过电流保护装置：试样击穿时在0.1S内切断电源。
Over current protection device: when the sample breakdown in the 0.1s cut off the power.
过电流保护装置在电力系统是必不可少的，限制了威胁人类生命和财产损失。
Overcurrent protection devices are essential in electrical systems to limit threats to human life and property damage.
主要介绍对供电系统中过电流保护装置灵敏度的要求，以及提高过电流保护装置灵敏度的措施。
The article introduces demands for sensitivity of the over-current protection in power network and also deals with the measurements to improve the sensitivity.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
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。
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。
For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.
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