Cable Fault Location Articles
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What are the laying methods of power cables?
The laying methods of power cables are as follows: direct burial laying, pipe laying, shallow groove laying, cable trench laying, cable tunnel laying, and overhead layin Several methods of laying power cables have advantages and disadvantages. Generally, urban development planning, the density of existing buildings, the length of cable lines, the number of cables, and the impact of the ...
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Treatment of XLPE power cable damp
Cables, especially XLPE insulated power cables, have been widely used in urban power grid reconstruction projects. However, due to the particularity of the power cable, there are special requirements for the installation, operation and maintenance of the power cable. The cable insulation resistance is reduced due to moisture or water ingress, which is one of the important aspects of cable line ...
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How to lay direct buried underground cables and find fault points
How to lay temporary cables on site? Problem supplement: for the newly-built plant, the construction transformer and high-voltage line are far away from the construction center. As it is a steel structure plant, overhead lines cannot be adopted to avoid conflict with the installation of steel structure. Only low-voltage cables can be led from the transformer to the primary distribution box on the ...
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Judgment and Treatment of Faults in Optical Cable Lines
Fiber optic cable line failure is called cable line failure because of external factors or fiber itself. Fiber optic cable interruption does not necessarily lead to business interfix, which causes business interfix to be handled in the order of fault repair, without affecting the order of service interfix that does not constitute a fault. Classification of Faults in Optical Cable Lines Fully ...
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Causes of Faults in Communication Fiber Optic Cable Lines
The armoured components of optical cables are all metal conductors. If the power lines are short-circuited or lightning strikes the metal parts, strong current will be generated to destroy the optical cable line equipment, and even casualties will occur in serious cases. 1. Shock of Lightning The armoured components of optical cables are all metal conductors. If the power lines are ...
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