The first 525 kV DC cable pre-qualification test is officially launched

On February 26, the first domestic pre-qualification test of 525 kV DC cables was officially launched. The test mainly detects the long-term performance of domestic 525 kV DC cables, and provides important technical support for Chinese cable companies to take the initiative in international competition. It is understood that the Dutch government plans to develop … Read more

Why is the cable hot?

In recent years, various types of electrical appliances often catch fire in our daily lives. Therefore, when using electrical appliances, the cables need to be protected. However, I don’t know if you find that the cable will heat up during operation. Is it a manifestation ofAerial Bundled Cable (ABC) HD 626 S1 Standardquality problems? Or … Read more

Model of mobile rubber sheathed flexible cable

Mine cable is a general term for flame retardant cables for coal mines Working voltage of mobile flexible cables for coal mines: The rated current is indicated by U0/U, and the enterprise is kV. U0 indicates the effective value of the voltage between any main insulated conductor and the “ground” (metal material shielded, metal material … Read more

Analysis of commonly used PVC materials for wire and cable sheath

Commonly used plastics for wires and cables include polyethylene, cross-linked polyethylene, polyvinyl chloride, polypropylene, polyolefin, fluoroplastics, nylon, etc. Polyethylene is currently the most widely used plastic with the largest consumption. From the data in the table, it can be seen that polyethylene has low meson loss, high resistivity, high breakdown field strength, good weather resistance … Read more

Introduction to ABC Cable

1. The main features of overhead insulated conductors (ABC cables) have good insulation performance. Overhead insulated conductors have an extra layer of insulation and have superior insulation performance than bare conductors, which can reduce the distance between lines, reduce the insulation requirements for line supports, and increase the number of circuits erected on the same … Read more

Do aluminum alloy cables have to have aluminum alloy copper connectors?

Nowadays, aluminum terminals or so-called alloy terminals that do not match the cable performance are used to connect aluminum alloy cables in China. Most electrical accidents occur at the connecting part of the connecting terminal and the cable conductor. The stability and reliability of the connection between the cable conductor and the connection terminal are … Read more