Briefly introduces the basic principles for at post differential current protection of traction power supply system in Shijiazhuang-Taiyuan passenger dedicated lines.

对石太客运专线牵引供电系统AT所差动电流保护的基本原理进行了简要介绍。

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A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.

提出了一种适用于输电线路差动保护抗电流互感器(TA)饱和的新方法——电流极性比较法。

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In this paper, the principle and performance of the new type of transient current differential protection based on correlation analysis are investigated.

研究了基于相关分析的暂态电流差动保护的原理与性能。

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