In addition, inside structure of ballast water tank is very complex, shield effect to protective current also becomes a key problem in cathodic protection design.
另外压载水舱内部结构复杂，“屏蔽效应”对保护电流分布的影响也成为阴极保护设计中的关键问题。
The transient performance of small power protective current transformer(CT) is described, the improved method of transient performance is analyzed and the transient dimensioning factor is discussed.
阐述了保护用小功率电流互感器的暂态特性，分析了暂态特性改进的方法，讨论了暂态面积系数。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
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