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.
应经常检查高压直流电源内电流继电器，时间继电器的整定值是否正确，控制是否灵敏。
We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.
此整定原则以正常偏大方式整定电流、电压定值，其目的是在保证保护可靠性的前提下，增大瞬时速断保护的保护范围。
The new principle calculates current and voltage setting values, which are greater than normal values, to increase protection scope under the condition of assured protection reliability.
通过对比电缆整定的单位千米阻抗值和电压电流值，来确定线路上的故障点。
Power lines have set impedance per kilometre and using this value and comparing voltage and current the distance to a fault can be determined.
计算书主要是对设计中的参数、短路电流及保护的整定值进行计算。
Calculated book is the parameter, short-circuit current and protective to worth surely to carry out calculation.
在高中压系统，充电保护电流定值是按躲过最小运行方式故障电流整定，并要求瞬时动作；
In high-middle voltage power system, the current setting of the charge-protection always bases on the fault current in the minimal operation mode, and the break should be snapped action.
该方法适用于小接地电流系统的各种中性点运行方式，并且现场安装简单、不需要定值整定。
This method is suited for various distribution system with different neutral grounding modes. Moreover, it can be easily used in site without adjusting protective setting.
该方法适用于小接地电流系统的各种中性点运行方式，并且现场安装简单、不需要定值整定。
This method is suited for various distribution system with different neutral grounding modes. Moreover, it can be easily used in site without adjusting protective setting.
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