为了快速准确的找到电力电缆故障所发生的位置，研究了声磁传播时间差法测寻电力电缆故障点。

In order to locate power cable fault fast and accurately, the acoustic propagation time measurement was developed to detect cable fault.

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但在电力电缆的使用过程中，一旦发生故障，很难快速找到故障点的位置，如果不能及时排除故障并恢复供电，往往会造成巨大的经济损失。

But if the power cable goes wrong during use, it is difficult to locate the fault quickly. If can't eliminate the cable fault and restore power supply in time, huge economical loss will be made.

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