In recent years, protection relaying based on fault component is used widely.
近年来，基于故障分量的保护得到了广泛的应用。
A new directional element based on the fault component positive sequence reactance (FCPSR) is presented.
提出了基于故障分量正序电抗的方向元件。
An Ultra High Speed Relay based on the energy function of the fault component is discussed in this paper.
本文论述了基于故障分量能量函数的超高速方向保护原理。
The fault component principle is widely used in power system protective relaying since it has lots of advantages.
突变量理论广泛应用于电力系统微机保护。
The fusion belief function assignment is gotten by using D-S rule and fuzzy logic theory, and fault component is found.
再利用D - S联合规则结合模糊逻辑理论，得到融合后的信度函数分配，从而确定故障元件。
The core of this method is to find the mapping relations between fault component and load-shedding buses or the system.
该方法核心是找到故障元件与削减负荷节点和系统的映射关系。
This paper introduces principles of relay protection based on the fault component and applies these to the fault location.
本文将基于故障分量的继电保护原理用于单相接地故障定位。
The concept of a new- style and high- precision fault component, synthetic negative sequence vector SNSV is proposed in the paper.
文中提出一种新型的、高精度的故障分量——综合负序矢量的概念 ，并给出综合三相负序分量的实时算法。
A novel fault phase selector by fault component of compensation voltage based on traveling wave is presented for high-speed protection.
针对传统电流突变量和电压突变量选相元件不能同时满足强弱电源系统侧保护要求的缺点，提出一种新的突变量选相原理。
Compared with traditional differential protection based on all components, differential protection based on the fault component has its advantage.
通过与传统差动保护的比较，说明采用故障分量作为制动量的差动保护所具备的优越性。
The fault phase selector discussed is based on the result that the fault component of sound phases is zero when a single-phase-to-ground fault occurs.
文中所探讨的相电流突变量选相元件，是利用单相接地故障时，两健全相相间电流突变量为零这一特征来得到的。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。
Based on the method of six sequence fault component, this paper analyses the performance of zero sequence directional relay on double circuit line on the same pole (DLSP).
文中用六序分量法分析了同杆双回线上零序功率方向继电器的性能。
The scheme includes the transverse differential protection, the directional relay action on negative sequence power of fault component and the incomplete differential protection.
该方案包括了横差保护、故障分量负序功率方向保护和不完全纵差保护的综合应用。
To grasp fault component, mechanism, character and development trend in time and give the decision of maintenance and replacement as fast as possible and decrease the time of stopping machines.
迅速掌握机械设备主要故障的部位、模式、机理、性质及发展趋势，使企业可以尽快做出维修与更新决策，减少停机时间。
The waveforms of the current fault component of two phases are symmetrical according to an analysis of wrong-phase-coupling. This characteristic can be quickly extracted by correlation analysis.
基于对异相短路的分析，发现两相电流故障分量波形呈现反向对称性，可利用相关分析法快速提取此特征。
Although fault component current phase selector has excellent performance for single transmission lines, it may select unwanted phase for cross-country faults in double-circuit lines on a same tower.
相电流差突变量选相元件在单回线故障中具有良好的选相性能，但在同杆双回线跨线故障中可能误选相。
By the research, the paper explains the essence and the character of several types of common-used fault-component based distance relay, compares their difference in the reliability and sensitivity.
通过对该方法的研究，揭示了目前常用的基于故障分量的距离继电器的通用表达式与动作特性，对比了这几类距离继电器在可靠性与灵敏性上的差异。
By the research, the paper explains the essence and the character of several types of common-used fault-component based distance relay, compares their difference in the reliability and sensitivity.
通过对该方法的研究，揭示了目前常用的基于故障分量的距离继电器的通用表达式与动作特性，对比了这几类距离继电器在可靠性与灵敏性上的差异。
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