短路故障

35kV环网电缆单相短路故障分析

Analysis of A Single-phase Short-circuit Fault of Ring Network 35 kV Cables

结果表明这两种自适应保护方案均能使保护在含有UPFC的情况下正确的反应各种短路故障，从而保障电力系统安全运行。

The results shows that these two programs will enable the protection correctly respond to all kinds of short-circuit fault in case of having UPFC .

基于DSP的汽轮发电机转子匝间短路故障动态识别

DSP Based Dynamic Identification for Inter-turns Short Fault in Turbogenerator

形态小波在低压系统短路故障早期检测中的DSP实现

DSP implementation of morphological wavelet for early detection of short-circuited fault in low-voltage system

SS8型机车列车供电电路短路故障分析

Short-circuit Failure Analysis of the Train Power Supply Circuit on Type SS_8 Electric Locomotive

GTO电压型逆变器短路故障快速关断保护法的研究

A Fast Turn-off Scheme of Short Circuit Protection for GTO VSI

对于大电阻缺陷，当被测通路进行vtov′转换，且引起短路故障的另一条通路保持v值时，最好检测方式发生。

The best detection situations for large resistance defect happen when the path under test makes a v-to-v ′ transition and another path causing short faults remains at value v.

结合工作实际，对BT供电方式下，接触网分相短路故障时，馈线保护装置的工作原理和作用进行了分析，提出了相应的改进措。

Combining practical situation , this paper discusses the protecting rule of feeder-cable when subsection-phase short circuit for BT-style , puts forward corresponding improving measures .

串联谐振型FCL对高压断路器开断短路故障的影响

Influence of serial-resonant FCL on the characteristics of circuit breakers during short-circuit faults

AGR在传输电线短路故障选相识别中的应用

Application of AGR on Phase Identification for Transmission Line Short Circuit Fault

最后，本研究利用LC振荡回路模拟直流短路故障，对新型直流断路器样机进行了开断实验，最大实验电流达到20kA。

Finally , breaking experiments of the sample DC-CB ' are done on LC oscillatory circuit in our lab , and the largest test current reaches 20 kA .

10kV电力网短路故障定距算法

Short Fault Location Algorithm of 10 kV Power Network

研究探讨了改进HHT方法在电力系统信号处理中的应用，并用实测电力系统瞬时突变数据和接地短路故障数据作了验证。

Researching the signal processing of power system with the Hilbert - Huang Transform , and verified with the power system transient mutagenesis data and earth fault data .

并通过仿真实验，分析了动态电流检测方法对CMOS与BiCMOS电路中短路故障、开路故障、晶体管参数错误的测试情况。

And through simulative experiments by PSPICE , the analysis of the test results for short faults , open faults and transistor parameter errors in CMOS and BiCMOS circuits are given .

ARL-4460直读光谱仪点火板短路故障维修

Malfunction and Maintenance of Ignition Board of ARL-4460 Spectrometer

但对相间短路故障，三相式变压器△侧绕组差动保护接套管TA时，接法不同，保护效果则不同。

But for inter phase short circuit fault , the different TA connection modes have different protection effectiveness when the bushing TA is connected to the differential protection relay at delta side winding of 3 phase transformer .

该系统由SiemensS7-200PLC为核心的短路故障模拟控制器、上位PC机编程-控制平台和一次模拟控制设备三部分构成。

The system is composed of short-circuit simulation equipment based on SIEMENS S7-200 PLC , compiling-controlling flat on PC and high voltage simulation controlling equipment .

在线加信诊断法为10kV电力网短路故障的诊断提供了较好的手段。

The on line diagnosis method with additional signal Provides a better method to diagnose the short fault for 16 kV power networks .

紧接着，构建了反馈型Elman人工神经网络模型，利用Matlab语言编写了故障识别程序，成功实现了电缆的断线和短路故障的识别。

For another , this paper builds the feedback artificial neural network module of Elman , writes the program of fault recognition with Matlab , successfully fulfill the recognition of cable open circuit fault and short circuit fault .

采用仿真工具和STFT时频分析方法对短路故障、变压器激磁和大容量电动机起动引起电压暂降进行分析和特征提取。

The simulation program and STFT time frequency method are used to analyze and extract the characteristics of voltage sags caused by system fault , motor starting and transformer energizing .

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。

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 .

研究了RBF神经网络在转子绕组匝间短路故障诊断中的应用技术，为故障诊断模型的建立提供了技术依据。

It provided an important theoretical foundation for the selection of fault characteristics ② Studied the application of RBF neural network in the rotor winding inter-turn short circuit fault diagnosis , and it provided a technological basis for the establishment of fault diagnosis model .

该方案基于RTD电路开关级模型，针对电路基本的开路、短路故障合理增加控制端，利用控制端信号设计测试向量，使电路达到完全可测的目的。

Combining the switch-level model of RTD circuits and the basic principle of open faults and short faults , the control signals were added to generate the test benches by utilizing the control signals reasonably to achieve the full testability .

某600MW发电机组在做主变压器损耗试验时，因出现操作错误，导致发电机短路故障。

Short-circuit failure due to misoperation which occurred during a power consumption test of a 600 MW power unit 's min transformer is being delineated , together with a description of the trouble-shooting performed .

Neag用双轴分量（odq）推出了简单短路故障的计算公式。

The calculating formulae of simple short circuit fault were obtained by Neag with two axes components ( odq ) / 4 / .

文中提出在不增加变电站设计复杂性的前提下，对上一级变电站的出线保护进行简单的改进，即设置能够切除110kV变电站主变压器低压侧各种短路故障的远后备保护。

After analyzing the fault at secondary side of power transformer , this paper presents a technical scheme to trip out power supply of the substation from the supplying 110 kV substation .

分析了传统的断路保护器在短路故障保护中的缺陷，介绍了大容量快速开关装置（简称FSR）的基本工作原理，以及FSR在多种保护线路中的联接方式和使用效果。

This article analyzes the shortcoming of conventional breaker protector in shortcircuit failure protection , describes the basic working principal of large capacity fast switching release ( FSR ), connecting style and utilization effect of FSR in various protection circuitry .

仿真结果证明，当系统发生短路故障时，通过SSFCL快速而有效的限流作用，可以很好地改善该系统的电能质量。

The results verify that with the help of SSFCL the instantaneous fault surge is limited remarkably and quickly , and the instantaneous power quality is improved to a certain extent .

根据系统侧阻抗恒定的模型，利用微机型继电保护测试装置模拟正、反两个方向上的短路故障成功地对LZ-16型相间阻抗继电器的动态特性进行了测试。

By means of a protective relay test set , using constant source impedance model , the dynamic characteristic of a LZ-16 relay for both a forward and reverse fault is tested with success .

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。

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 .