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1·Presents a realization method of digital line differential protection.

介绍了一种数字式线路差动保护的实现方法。

2·Protection devices is equipped with zero-sequence differential protection for the auto-transformer.

而保护装置针对自耦变压器，还配置了零序差动保护。

3·Inrush identification is always a key problem in power transformer current differential protection.

励磁涌流识别一直是电力变压器差动保护中比较关注的问题。

4·Distinguishing the transferring fault is one of difficulties for transformer differential protection.

转换性故障的准确识别是变压器差动保护亟待解决的难题之一。

5·Setting calculation method of line differential protection and calculation examples are given as well.

最后结合实例总结了相关保护定值的整定计算方法。

6·In practical running, the differential protection of transformer may happen to be tripped in non fault.

实际运行中，变压器差动保护可能在非故障的情况下发生误动。

7·Transverse differential protection can solve the problem of protection Settings for shorter line protection.

而横联差动保护则能克服短线路保护的整定困难。

8·After analyzing the phenomenon of magnetizing inrush current and theory limitations of differential protection.

本文分析了变压器的励磁涌流现象以及变压器差动保护还存在的理论缺陷。

9·In course of motor starting after no-voltage bus, a malfunction fault of motor differential protection was analyzed.

分析了一起母线失电后快切装置动作时电动机起动过程中差动保护的误动事故。

10·Delay time and synchronous technology which are the key technology of optical differential protection are introduced.

本文对光纤差动保护的关键技术——光纤传输的延时和同步技术进行了阐述。