What should be paid attention to when storing wire and cable reel?

Attention should be paid to the following points when storing and transporting wires and AAAC Cables on shelves: 1、 In storage, first of all, it is forbidden to contact with acidic, alkaline and corrosive substances and store them separately. Insulated wires and cables should be stored in a dry and ventilated warehouse. The suitable temperature … Read more

Technical requirements of explosion proof combined switch and cable in coal mine

Technical requirements of explosion-proof intelligent vacuum combined switch 1. certificate and certificate with relevant qualification. 2. inspection report of qualified unit inspection. 3. the switch shall be provided with coal safety mark and explosion-proof sign. 4. the switch has explosion-proof and explosion resistance. 5. the altitude is 2000 meters. 6. switch protection is sensitive and … Read more

Analysis of the causes of insulation breakdown of wires and cables

Breakdown refers to the damage of the original insulation function caused by external force damage, (extrusion, lightning stroke, etc.) of the insulation layer, aging of insulation data, etc., and the original insulation function is lost. During the operation of the AAC Cable, the core wire is discharged from the core to the core wire, the … Read more

Japan plans to build its largest submarine cable

According to foreign media reports, in order to improve the environment for transmitting a large amount of electricity generated by renewable energy to the capital circle and Kansai consumer areas, Japan’s Ministry of economy, industry and other countries are exploring ways to enhance the transmission network by laying the largest submarine cable in China. The … Read more

Which is better, copper core or aluminum core?

When it comes to wires and Cables Manufactor, we have to mention the copper and aluminum in their main materials. Then the question comes, what is the difference between copper core and aluminum core wires and cables? Which is better? Let’s get to know about it~ There are several ways to distinguish copper core from … Read more

Technical problems in power cable insulation detection

1. It is not suitable to adopt AC voltage withstand test, but DC voltage withstand test High voltage electrical equipment is generally tested by AC withstand voltage test for its main insulation withstand voltage strength, while power cable is often limited by the capacity of test equipment due to its large capacitance, so it is … Read more

Characteristics and optimization of electric vehicle high voltage cable

The perfect and complex design and use of high-quality materials will result in expensive acsr cable costs. Experience shows that, for specific high voltage cables, it can be tailored by optimizing the cross section, temperature requirements, flexibility and shielding effect. Weight and cost savings can be highlighted, and over sized and over sized components can … Read more

Electric vehicle high voltage cable performance requirements and standards

1、 Overview With the rising of international crude oil price, the whole society pays more attention to the environmental deterioration and global warming, and the tax tilt and policy support of governments, which promotes the market share of alternative energy, especially electric vehicles, to increase all over the world. Electric vehicles mainly include three types, … Read more

Today’s copper price and market analysis

Today’s copper price CCMN spot copper price: 71930 yuan / ton, down 400 yuan / ton Mine end plans to expand production, copper may fall on the 26th Abstract: China increased price control and continued to exert pressure. The copper price fell by 48 US dollars overnight. Large copper producers plan to expand production. Recently, … Read more