Based on the detailed analysis of basic principle, the traditional three-phase short-circuit criterion of phase selection element based on sudden-change of phase current differential is improved.
在详细分析相电流差突变量选相基本原理的基础上，对传统相电流差突变量选相元件三相短路故障判据进行了改进。
On the basis of analyzing existing criteria for current differential protection of transmission line, a normalized criterion for current differential protection is proposed.
在对现有输电线路电流差动保护判据研究的基础上，提出了一种归一化电流差动保护判据。
But the current differential settlement control criterion of bridge-approach, the existing calculation models and methods of bridge-approach pavements could not describe and explain.
而现有的路桥过渡段段差异沉降控制标准与交通荷载下路桥过渡段路面的计算模型和计算方法，不能对桥头跳车问题进行全面描述和合理解释。
In this article, the action characteristic of phase current-differential criterion in EHV system and the effect of capacitance current compensation have been analyzed using EMTP simulation result.
利用EMTP仿真结果分析了这相电流差动判据在超高压系统中的动作特性和电容电流补偿的效果。
In this article, the action characteristic of phase current-differential criterion in EHV system and the effect of capacitance current compensation have been analyzed using EMTP simulation result.
利用EMTP仿真结果分析了这相电流差动判据在超高压系统中的动作特性和电容电流补偿的效果。
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