three-phase fault的例句大全

Complex Numbers Analysis of Three-Phase Fault on the Tractive Side of V/ V Connection Railway Traction Substation

V/V接线变电所牵引侧复故障的一种分析计算

Those functions, such as overload protection, open-phase protection and unbalanced three-phase fault protection are also implemented which can elongate the service life of the motor.

本文所设计的节电控制系统还包括了过载保护、缺相保护以及三相不平衡保护等故障判断和保护功能，提高了电机寿命，从而也极大降低了电机的使用成本。

The analysis shows that the measured impedance at the head of the line is not proportional to the fault distance when a three-phase fault occurs at the end of the line.

分析表明，线路末端三相故障时，线路首端的测量阻抗不与故障距离成正比。

It can be seen that the proposed theory greatly generalizes the traditional transformation theory for three-phase circuit, and then, is in favor of establishing a theoretical foundation for harmonic detection, motor control, and fault diagnosis of multiphase system.

可以看到，该变换可以很好地包含传统的三相电路的坐标变换理论，而且它有助于建立多相电路谐波检测、多相电机独立控制、多相电路故障诊断等应用的理论基础。

Then build a model of single and three-phase hybrid distribution system based on MATLAB, and research the case of line selection and the method of fixing fault segment with DC signal and fault position with AC signal by simulation.

基于MATLAB搭建了单三相混合配电系统模型，对接地选线情况和直流定段、交流定点方法做仿真研究。

Single-phase distribution has the characteristic of small capacity, dense distribution points and short radius that lead to the more branches in single and three-phase hybrid distribution system. Its network structure becomes more complexity, and the fault location becomes more difficult.

单相配电小容量、密布点、短半径的特点使单三相混合配电系统的分支增多，结构更加复杂，故障定位相较于三相系统更加困难。

A new approach for fault calculation in asymmetrical three-phase and weakly meshed distribution network

三相参数不对称的环状复杂配电网故障计算的新方法

Stable Analysis of Grid after Three-phase Grounding Fault of Bus and its Prevention

母线三相接地短路后电网稳定分析及防范措施

The effect of the controller proposed is verified in the transient of three-phase short-circuit fault on the transmission line.

输电线路发生三相对称短路故障，在此暂态过程中，考察所给控制器的控制效果。

So the time of Ucos φ detecting three-phase short-circuit fault in power swing process is shortened, and the performance of whole protective device is improved.

因此可以大大缩短Ucosφ作为电力系统振荡过程发生三相短路判别元件的动作时间，提高整套保护的性能。

The formulae for SMIS are derived and verified by case simulation, the solution of critical clearing time ( CCT) of three-phase short fault in MMS is theoretically discussed.

对单机无穷大母线系统进行了公式推导和仿真验证，从理论上探讨了多机系统的三相短路故障临界切除时间求解方法。

Application of the algorithm ensures that the result of Ucos φ is accurate, convergent and the true expressions of the voltages and currents in the site of relay when power swing and three-phase short-circuit fault happens at the same time.

用此算法求出的Ucosφ数值精度高，收敛性好，更真实地反映了电力系统振荡过程中发生三相短路时保护安装处电压和电流的变化；

According to the feature that the load of induction motor in groups greatly affects power system stability during large-scale disturbance, a three-phase grounding fault test of 110 kV transmission line was performed at Zhongyuan Oil Field located in Puyang power supply region of Henan Power Grid.

根据大扰动过程中电动机群负荷对系统稳定性影响较大的特点，在河南电网濮阳供电区的中原油田进行了110kV线路三相短路故障试验。

Study on control system of three-phase solid state fault current limiter

新型固态限流器控制系统的研制

Rapid Pattern Recognition of Fault Current for HTS Three-Phase Saturated Iron Core Fault Current Limiter

饱和铁心型超导限流器故障电流快速模式识别

Analysis of the Instantaneous Electromagnetic Properties During Three-phase Balanced Short Circuit Fault of Circuit Breaker for Voltage Generator

发电机保护断路器三相对称短路暂态电磁分析

This paper presents a fault diagnosis method for neutral grounding three-phase bridge type solid-state fault current limiter ( SSFCL).

探讨了中性点接地三相桥式固态限流器桥路故障诊断方法。

This paper finally to synchronous generator of three-phase short-circuit as example, using four order Runge Kutta method to simulate synchronous generator three-phase short-circuit fault phenomenon, and the real-time simulating and analyzing the simulation step on the single DSP, obtained the ideal simulation step.

文章最后以同步发电机三相短路故障为例，采用四阶龙格库塔法在单台DSP上进行了实时仿真并对仿真步长进行了比较分析，得出了实时仿真较为理想的仿真步长。

An Analysis of a Neutral Line Break Fault in Three-phase Four-wire System

一起三相四线制配电系统零线断线故障事故分析

Fault-line Analysis on Three-phase Four-wire System and its Prevention

三相四线制供电线路断线故障的分析及保护措施