This paper expatiates on the concept of earth short-circuit current, discussing and computing the shunt coefficient of overhead ground wires, cable lines and hybrid overhead cable lines.
为此，阐述了入地电流的概念，对输电线路架空避雷线、电缆线路及架空电缆混合供电线路的分流系数进行了探讨和计算。
Yielding strength test: Cable shall not cause circuit breakdown, and cause short circuit between the conductor after tested by 15000 times return movement i. e. 30000 times of single route movement.
曲挠试验：在试验期间经15000次往复运动，即30000次单程运动后不发生电流断路，也不发生导体之间的短路。
It can test the corresponding ports rapidly, identifying each conductor in the cable. At the same time, it can find the faults of cable, such as short-circuit, broken-circuit and so on.
这个工具可以快速地对施工中的多芯电缆两端相对应的端口进行测试，并进行识别，同时也能够发现电缆中芯线的短路，断路情况。
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