Note: Normally, current values of neutral pole of CM2Z four-pole, conform to table two, and it can be setted by users with 100% protection.

注：常规出厂的CM 2 Z四极断路器中性极电流值符合表二，用户也可自行100%保护设定。

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The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.

介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。

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In this paper, the current-current neutral grounding transformer neutral point commonly used to protect the way of protection was discussed;

本文主要对目前大电流中性点接地变压器中性点保护普遍采用的保护方式进行了探讨；

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