本文针对中性点有效接地系统的送电线路的绝大部分故障类型提出了有效的检测手段。
This paper proposes effective methods to detect most kinds of faults occurred in transmission lines which are in effectively neutral grounded system.
为了避免这种情况的出现，最好的办法就是在断路器合闸前对送电线路进行检测，以判断送电线路是否存在故障。
To avoid this kind of situations, the most effective way is that we detect the transmission line before it is connected to the bus and determine whether there is a fault in it.
一组用于检测正在研制中某程序或线路故障的程序。
A set of programs that detects faults in a program or circuit under development.
如何准确地检测出故障线路一直是电力系统继电保护的重要研究课题。
How to detect the fault line quickly and accurately is an important issue in electric power system protective relaying.
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.
介绍了当前用于检测计算机线路板缺陷和故障的测试技术，并对未来发展趋势进行了探讨。
The paper introduces the technology of inspection for PCB of computer to find objection and fault, and discusses the developing current in future.
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.
结合故障实例进行分析，针对无故障码显示的线路断路和接触不良故障，提出了检测方法和维修方法。
Analyzing through the trouble example, and put forward the method of inspection and maintenance according to the trouble of broken circuit and improper contact of circuit of no-trouble code display.
然后在线路首端注入电流，通过探测器检验几个分支上是否有电流流过，检测到电流的即为故障点所在的分支。
After injecting current into the head of line, the detector can check whether these branches flow current, the fault branch is that the current has flowed.
定期对高压架空输电线路进行故障的检测与修复，是供电可靠性的基本保证。
Regularly inspecting high voltage power transmission line and repairing dilapidation are essential to keep power supply reliable.
正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。
The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.
正确识别和检测线路故障后的行波信号是实现行波故障测距的关键。
Correct identification and detection of fault traveling wave essential to fault location.
经实验室试验证明该系统在单相故障状态下能准确可靠地检测出故障线路并驱动跳闸。
The lab experiments showed that under the single phase fault status, the system could be accurate and reliable to detect the fault line and to drive the trip.
因此如何准确可靠地检测并隔离故障线路，寻找精度高的接地保护方法一直是小电流接地系统的一个重要研究课题。
The problem of how to detect and isolate fault feeder correctly and reliably, and look for a protection method with high precision is always an important research task.
因此如何准确可靠地检测并隔离故障线路，寻找精度高的接地保护方法一直是小电流接地系统的一个重要研究课题。
The problem of how to detect and isolate fault feeder correctly and reliably, and look for a protection method with high precision is always an important research task.
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