直流电桥法测量电缆故障点的距离

Measuring the Distance between Cable Failure Points Using Direct Current Bridge Method

迅速、准确地探测故障点的位置对保证故障电缆的及时修复有着重要意义。介绍了电缆故障的性质和直流电桥法测量电缆故障点距离的原理 ,着重阐述了几种常用的电缆接地故障的测量方法 ,并提出在实际生产、施工中 ,应根据具体情况选取合理的仪器及测量方法 ,迅速、准确地探测故障点的位置 ,以保证故障电缆的及时修复。

The quick and accurate detection of the location of failure points is of significant importance to making sure the failed cable is repaired timely.The nature of cable failure and the principle of measuring the distance between cable failure points using direct current bridge method are introduced.Some frequently used measurement methods for cable grounding failures are highlighted.It is proposed that during the actual production and construction,proper instruments and measurement methods should be selected according to the specific situation to quickly and accurately detect the location of the failure point so as to make sure the failed cable is repaired timely.