The paper presents the scheme of integrated protection and introduces integrated protection system based on transient current polarity comparison principle.
提出了电力系统集成保护的方案，描述了一种基于暂态电流极性比较原理的多出线集成保护系统。
2
A directional protection based on traveling wave current polarity comparison which is implemented by detecting the polarity of current wavefront of traveling wave is presented.
文章提出了基于检测行波电流波头极性的行波电流极性比较式方向保护。
3
A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential currentprotection of transmission line is proposed.