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。
2
This paper summarizes the relay twitter test in details, and explains the function of instantaneous switching instrument during this test.
详细分析了继电器抖动测试试验过程，以及在此试验过程中瞬时通断测量仪的作用。
3
The optimal relay is chosen based on the source-relay-destination end-to-end instantaneous SNR in OMRS, while ABRS selects relay based on the relay-destination average SNR.