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1·The algorithm of correlative system parameters of adaptive current instantaneous trip protection is studied.

对自适应电流速断保护中实时计算系统参数的算法进行了研究。

2·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。

3·The A302 Manual Starter is a 3-phase manual motor starter and protector with instantaneous magnetic short circuit trip mechanism.

A302手动起动器是三相手动电动机起动器和保护装置，带有瞬间磁性短路跳闸机制。