有两种方法可以用来检测转子回路接地故障。
Two methods are available for the detection earth faults in the rotor circuit.
单相接地故障仍是矿山电网的主要事故形式。
Single-phase grounded failure is still the main reason of mine power-net fault.
直流系统环网是接地故障检测中的一个关键因素。
Loop net of DC system is an important factor in the grounding fault detection.
小电流接地系统发生最多的故障是单相接地故障。
Most faults in power distribution systems are single phase to ground faults.
文章介绍变压器铁芯多点接地故障的诊断和处理方法。
The characteristics of transformer core multiple grounding fault are analysed, the diagnosis and treatment methods are introduced.
本文系统地分析了国内外现有的单相接地故障定位方法。
This paper systematically analyses existing domestic and foreign methods for single phase grounding fault location.
本文着重研究了单相接地故障的区段定位方法和故障测距方法。
A new method about fault section locating and a new method about accurate fault locating are studied in this article.
分析了TT和TN系统的接地故障保护和保护电器及其应用条件。
The earth fault protection and protective electric devices of TT and TN system and the application conditions were analyzed.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
重点介绍了基于故障指示器技术的单相接地故障的检测和定位方法。
The detection and location method of single-phase grounding fault based on fault indicator technology was introduced.
只要湿气可能接触到电器设备或使用者,则都应配备接地故障断路器。
Ground fault circuit interrupters are required whenever moisture may contact electrical equipment or the user.
介绍一种小电流接地故障监测系统的构成、工作原理及现场应用情况。
The structure, work principle and field application of a monitoring system for earth fault in non-solidly earthed network are presented.
为保证直流系统的正常运行,查找直流接地故障的时间应尽可能缩短。
To ensure normal operation of the substation, the DC system grounding fault should be detected as quickly as possible.
介绍一种基于注入法原理进行低压树状配电网接地故障定位的新装置。
Based on an improved s injection method, a novel fault localizer for tree form distribution networks is developed.
因此输电线路的单相接地故障点定位应是电力系统故障检测的一个重点。
And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
摘要:电气火灾目前有上升趋势,其中由于接地故障引起的火灾也不少。
Abstract: There is an increasing trend of electrical fire, which because the fault that caused the fire is also a lot of.
应指定接地故障断路器的电气预防维护任务,此项任务要求对装置进行定期测试。
There is an electrical preventive maintenance task assigned to the Ground Fault Circuit Interrupter, that requires periodic testing of the unit.
提出了一种针对辐射状谐振接地系统确定单相接地故障线路及故障区域的新方法。
This paper proposes a new method for the fault line and fault area detection in radial neutral-point resonant grounded system.
发电机还包括125伏14A条接地故障电路灭弧贮和支持的为期1年的有限质保。
The generator also includes 125-volt 14A ground fault circuit interrupter receptacles and is backed by a 1-year limited warranty.
配电线路单相接地故障的检测和定位是一个难题,要在线路上定位故障点更是困难。
Detecting and locating the single phase grounding fault of power distribution system is difficult, to locate fault in the circuitry is more difficult.
后备继电系统将设置第一、第二与第三区方向距离继电器,以防相位故障与接地故障。
The backup relaying system will have first, second, and third zone directional distance relays for protection against phase and ground faults.
以同名相跨线接地故障为例,分析同杆并架带弱馈线路的特征及其对继电保护的影响;
The paper analyzes the character of the fault between two same lines on double-circuit transmission line and the influence on line relay.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
针对配电网系统的单相高阻接地故障,提出了一种基于概率分析的故障检测与定位方法。
Based on probability analysis, a new method of fault detection and location in distribution network grounding with high resistance is proposed in this paper.
通过对一次典型的定子接地故障情况和保护录波数据分析,证明了保护动作行为的正确性。
Based on the analysis of a typical stator ground fault and its recording data, the protection action is proved to be correct.
接地故障的低电压系统的保护是因为存在和电弧接地故障的低级别的性质相当严重的问题。
Ground-fault protection of low-voltage systems is a considerable problem because of the presence and nature of low-level arcing ground faults.
将该文提出的判别方法用于处理小电流单相接地故障保护的现场试验数据,获得了好的效果。
This method has been applied to analysis of field test data of small current fault relaying, and obtained good results.
包括一个电子接地故障断路器立即终止权,如果该单位是暴露于水或其他液体,可能导致短路。
An included Electronic Ground Fault circuit Interrupter immediately terminates power if the unit is exposed to water or other liquids that could cause a short circuit.
试验结果表明:大型发电机一变压器组的定子的任何一点上发生接地故障时都能成功地获得保护。
The test results show that the ground fault at any point of the stator of a large unit-type generator-transformer system can be successfully protected.
依据国家规程通过对试验数据的认真分析,总结了单相接地故障时,保证人身安全的结论和措施。
By serious analysis according to Chinese rule, the conclusion and the protection measures for human safety under Single Phase Grounding Fault (SPGF) are summarized.
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