fault impedance
英 [fɔːlt ɪmˈpiːdns]
美 [fɔːlt ɪmˈpiːdns]
网络 故障阻抗
双语例句
- The influence of zero-sequence impedance on power-frequency overvoltage of asymmetric eathing fault is researched though comparing surge impedance of different types of ACSR as ground-return wires.
通过比较不同型号良导体地线的波阻抗，分析了零序阻抗对不对称接地工频过电压的影响。 - Railway Power Line Cable Fault Location of High Impedance Instrument for Insulation Parameter
铁路供电线路电缆高阻故障测距研究 - Principle of T-type transmission line pilot protection based on fault component comprehensive impedance
基于故障分量综合阻抗的T接线路纵联保护新原理 - The calculation of grounding fault loop impedance is stipulated in the Code for Design of Low Voltage Electrical Installations. However, it has not been widely paid attention to and implemented.
摘要在《低压配电设计规范》中有对接地故障回路阻抗进行计算的规定，但至今没有得到广泛的重视和执行。 - An Improved Method for Calculating Fault Component Integrated Impedance to Eliminate the Influence of Phase-to-phase Capacitance Current
消除相间电容电流影响的故障分量综合阻抗计算方法 - Accurate fault location technique for phase ground fault through high impedance
高阻接地短路的精确测距方法 - The location results are always affected by fault resistance in almost all conventional impedance methods in fault location, but the application of power balance theory can overcome the shortcoming.
利用功率平衡理论进行故障测距能够在原理上克服传统阻抗法普遍存在的受故障电阻影响的缺陷。 - Especially it is difficult to identify nonlinear fault, e.g, the nonlinear high impedance short trouble is a long-term unsolved problem of power system.
尤其对非线性故障识别困难，如探测高阻抗非线性短路故障便是电力系统一个长期没有很好解决的问题。 - Currently available fault location methods based on impedance measurement for 10 kV automatic blocking and continuous railway power lines ( ABCRPLs) are still not very reliable and accurate.
对于铁路10kV自闭／贯通线路，阻抗测距原理和基于线路监控终端的定位方法尚不能可靠、准确地确定故障（特别是小电流接地故障）位置。 - The adaptive current protection can automatically calculate the setting values based on the fault type and the system impedance, so it can extend the protection and bring the selection criteria down.
其保护定值由当前的系统运行方式和故障状态决定，大大扩大了保护范围，且降低了保护最低选用条件。 - The algorithm does not require the synchronized data of two terminals and fault type identification and eliminates the influence of fault resistance and system impedance.
算法不需要两端数据同步，不需要判别故障类型，不受系统阻抗和过渡电阻的影响。 - So far, the accuracy of the existing methods of fault location based on calculating the impedance at only one terminal of lines is certainly affected by the variation of the system impedance at the remote end.
迄今为止，利用单端信息按阻抗原理进行故障定位的所有方法，其精度均无可避免地要受到对端系统阻抗变化的影响。 - Simulations of 3-phase reactor high temperature superconducting fault current limiter and its impedance
三相电抗器型高温超导限流器的阻抗与动态仿真 - The Intelligent Diagnosis of Equipment Fault Based on the Piezoelectric Impedance
基于压电阻抗的设备结构健康智能诊断 - The algorithm does not need fault type identification, and its accuracy is not affected by fault resistance, system impedance, pre-fault load current and shunt capacitance.
算法无需故障类型判别，不受系统阻抗、故障电阻、负荷电流以及分布电容的影响。 - In a word, the algorithm satisfactorily achieves general solution for a fundamental fault or a combined fault with different unsymmetrical transition impedance.
该算法较一般的短路计算模型，算法具有通用性，较好地实现了任意不对称过渡阻抗的基本型短路或组合型短路的统一求解。 - A New Algorithm of Fault Allocation for High Impedance Grounding
一种适于高阻接地短路的故障测距新算法 - Unlike reactors, the Superconducting Fault Current Limiters ( SFCL) without impedance or voltage drop during normal operation, can limit the short circuit current to a lower level, so that the underrated switchgears can be operated safely.
超导故障限流器与常规限流电抗器不同的是：它不但可以限制短路电流，使得轻型断路器可以正常动作，而且在电网正常运行时不呈现任何阻抗和电压降。 - This paper presents an accurate location technique for phase ground fault through high impedance using one terminal parameters.
提出一种高阻接地时，利用单端参数进行精确测距的方法。 - It uses diminishing and oscillating wavelet to analyze the simulating data of power distribution system by EMTP to detect earth fault. It proves this method may enhance sensitivity and reliability of fault detection in high impedance earth fault greatly.
把快速衰减振荡的小波函数运用于10kV配网保护中进行接地故障检测，通过对EMTP仿真数据的分析，证明该方法可以大大提高经高阻接地时故障检测的灵敏度和可靠性。 - The traditional fault location method based on impedance can not overcome the effects of transition resistance, etc.
传统的阻抗法进行故障定位，难以克服过渡电阻等因素的影响。 - Recently, much attention is attached to two-terminal fault location algorithm, for this algorithm is not affected by fault resistance and system impedance.
双端故障测距由于不受过渡电阻和系统阻抗等因素的影响，得到了广泛的关注。 - The Study on Measurement of Fault Impedance of Distribution System
配电网短路阻抗测量方法的研究 - The measuring frequency is used for eliminating unbalanced current of negative sequence, extracting fault components and measuring impedance. The algorithm provides relaying device with accurate information so that the performance of relaying device can be improved.
由算法测得的瞬时频率可以用来消除负序不平衡电流、准确地提取故障分量和测量距离阻抗值，使继电保护装置能获得准确的参数信息，以便进一步提高当前保护装置的动作性能。 - The distance protection function is divided into signal measurement module, start module, fault phase selector module, impedance relay module and oscillation blocking module. Distance protection carries out the measuring impedance, which has operating characteristics of Polygon.
将距离保护功能划分为信号测量模块、启动模块、故障选相模块、阻抗继电器模块和振荡闭锁模块等部分，开发了多边形动作特性的测量阻抗式距离元件的虚拟保护实验系统。 - Though two-end method needs communication channel, it can improve location accuracy by overcoming the effect of fault resistance and system impedance.
双端法虽然需要通道传递信息，但可从原理上消除过渡电阻与系统阻抗的影响，测距精度较单端法有了很大提高。 - And then, the simulation analysis for the low resistance ground fault and the high impedance fault of overhead transmission lines is implemented.
然后对架空输电线路的低阻接地故障、高阻故障进行了仿真分析研究。 - EMTDC/ PSCAD software simulations show that the novel algorithm is independent of fault inception angle, insensitive with the source-line impedance ratios and able to measure the fault impedance at the condition of different load current and diverse fault resistance.
EMTDC/PSCAD仿真表明，新算法与故障起始角度无关，对电源线路阻抗比值不敏感，能准确地测量不同负荷电流和不同过渡电阻情况下单相接地的故障阻抗。 - The theory first use phase voltage suddenly-change and phase voltage stable state quantity to make sure the fault types. the use The phase and amplitude of fault phase current and directional impedance relay to judge the real fault phase.
该方案首先根据故障电压突变量信号和稳态量信号确定故障类型，然后根据所选出的故障类型，利用故障相电流大小和相位差以及阻抗方向等辅助判据综合确定本线实际故障相别。 - Based on the assumption that the fault path resistance is purely resistive and current distribution factor is real number, fault line impedance is obtained.
算法假设接地故障的过渡电阻为纯电阻性，电流分配系数为实数，求解故障线路阻抗。