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Common line faults in power cables
Jul 04, 2018

Short-circuit fault: There are two-phase short-circuit and three-phase short-circuit, which are mostly caused by hidden dangers left in the manufacturing process.

Grounding fault: A certain core or core of the cable breaks down to the ground. The insulation resistance is lower than 10kΩ and the low resistance is grounded. Above 10kΩ is called high resistance grounding. Mainly due to cable corrosion, lead cracks, insulation dryness, joint processes and materials.

Broken linear fault: one core or several cores of the cable are completely or not completely broken. Cables can be disconnected due to mechanical damage, terrain changes, or short-circuits.

Hybrid fault: Two or more of the above faults.


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