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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The OCGR is a microprocessor based digital type protective relay that has ground overcurrent detecting. For protecting coordination, it could be applied with.

该OCGR是一个基于微处理器的数字式继电保护已经过实地检测。为保护协调，可以适用于。

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