That can be regarded as a phase comparison protection and also has the function of amplitude comparison.

它具有相位比较的功能，也兼有幅值比较的作用。

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Seeing that the importance of the bus protection wiring in bus coupler current phase comparison, in this paper an on-load testing verifying its wirings is introduced.

针对母联电流相位比较式母差保护接线的重要性，文章介绍了一种带负荷测量法去验证母联电流相位比较式母差保护接线正确的方法。

youdao

Seeing that the importance of the bus protection wiring in bus coupler current phase comparison, in this paper an on-load testing verifying its wirings is introduced.

针对母联电流相位比较式母差保护接线的重要性，文章介绍了一种带负荷测量法去验证母联电流相位比较式母差保护接线正确的方法。

youdao