查询词典 fault current

To evaluate the severity of damage and identify the damaged winding s, this paper presents a method that uses the comprehensive information, including the value and waveform of the fault current, insulation resistance, oil-dissolved gas analysis, winding resistance, turns ratio, deformation detection, and it is of significance to the fault elimination.

介绍了综合利用短路电流值和波形、绝缘电阻、色谱、直流电阻、变压比、绕组变形等资料和手段判断大型变压器低压侧出口短路事故的严重程度、被损坏绕组的相别，为故障的处理提供参考。

A low frequency rolling bearing fault diagnosis method based on local projective noise reduction;2. According to characteristics of both the vibration signals and the stator currents when appering a fault in the rolling bearing of the induction motor,Park vector module signal of the three-phase current is calculated,and the envelope of vibration signals from the rolling bearing of the motor is analyzed.

根据感应电机轴承发生故障时的振动信号特性以及定子电流特性，求出三相电流的Park矢量模信号，并将其与电机滚动轴承振动信号经解调处理后的包络信号进行融合分析，可以从振动信号与电流信号的融合谱图中有效地提取轴承故障特征信息，并将其作为故障识别的依据。

In the field of measurement and display, it ranges from ampere meter, Voltage Meter and fault current state directives to power factor, wattful power, wattless power, frequency, and even harmonics, the fault condition wave acquisition, and so on.

在测量、显示这块，如电流表、电压表、故障电流及状态指示，以及功率因数、有功功率、无功功率、频率，甚至谐波，故障状态的波形捕捉等等。

For the problems, such as false root judgment, astringency, too much computation amount and so on, existing in current algorithms of unsynchronized two-terminal fault location, a fast and accurate algorithm of fault location in HV transmission line is put forward.

针对以往双端数据不同步的测距算法中存在的伪根判断、收敛性、计算量大等问题，提出了一种快速精确的双端测距算法。

In the event of a fault, the computer can calculate the fault's current values and characteristics, and settings can be changed merely by reprogramming.

在系统出现故障时，计算机可计算出故障电流的值和特性，整定值的改变仅改变编程就可以了。

The short-circuited fault is analyzed and then the fault current is detected using lifting wavelet.

通过分析短路故障，采用提升小波对故障后的电流进行检测。

According to the fault characteristics of Teed line,a new fault components based operation critreion of current differential protection is proposed in this paper.

根据T接线路的特点，提出一种基于故障分量的电流纵差保护新判据。

The fault phase and the ground fault generator with the current difference larger than its threshold are thus detected,and the selectivity protection scheme is also presented.

目前国内外已开发的发电机定子接地保护有零序基波电压和三次谐波电压构成的100%定子接地保护、外加电源式定子接地保护等[3~6]。

The paper analyse some protection exception report of the abnormalities of voltage secondary circuit, and points out the influence of two-point earth fault in secondary circuit and current electromagnetic induction of earth fault in power system.

本文通过分析多起由于TV二次回路异常造成的保护事故，指出目前针对TV二次回路两点接地和系统接地故障电流电磁感应对电压二次回路的影响，制定的各项反措在实际实施过程中，不能完全杜绝类似事故的发生。

Rotor bar fault is one of the ordinary faults in induction motors. The traditional method for the diagnosis of rotor bar fault is checking the (1-2s)f1 component in stator current by FFT.

转子断条是鼠笼型感应电动机常见故障之一，对定子电流进行信号处理，根据其中(1-2s)f1特征频率的分量，可以方便地进行故障的诊断。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。