Essential tools for high-voltage transmission lines: ACSR

2019-03-01

Steel-reinforced aluminum stranded wire for high-voltage transmission. The reason is that the density of aluminum is small, and in the case of equal volume, the mass of aluminum is smaller than that of iron and copper. Conductivity is better than iron. The current in the transmission is a "skin effect", that is, along the wire surface flow.

"The lowest bid is a common phenomenon" to be completely banned.

2019-03-08

China's government procurement network issued the latest notice "Ministry of Finance is brewing new measures to curb low-price vicious competition."

Guangzhou Electric Power Trading Center has completed inter-provincial market transactions with a total of 69.8 billion kilowatt-hours of electricity.

2019-03-09

With the continuous advancement of the power system reform, the southern regional power market has formed a leading diversified market entity pattern in the country, with a total of 23000 registered market entities. In addition to the diversification of market entities, the southern regional power trading institutions have developed and improved power trading varieties, forming a multi-cycle, multi-variety power trading system.

Eco-environmental cables are about to become the focus of people's lives

2019-03-09

Under the new economic situation and technical conditions, the development of the global wire and cable industry presents a new trend, and environmental protection cables have gradually become the focus of the development of global cables. Some experts believe that in the next few years, eco-environmental cables will become the main theme of the cable industry.

Fireproof cable will be more and more favored by daily life

2019-03-09

Fireproof cable is a new type of fireproof cable improved on the basis of the disadvantages of mineral insulated cable. It can overcome the disadvantages of limited production length of mineral insulated cable and avoid the problem of intermediate joint in installation and laying. It has the advantages of insulation layer not being affected with moisture and convenient installation and laying. With the continuous promotion of this product, there is no electromagnetic interference under the shielding of copper sheath, it will not interfere with the signal and control the information transmitted by the wire and cable. It can normally supply power in the flame (normal power supply for more than 3 hours at 950 ℃), start the fire extinguishing device, and reduce the fire loss.

Use home improvement wire-how to choose hard wire and soft wire?

2019-03-09

Home improvement wire in the end is better hard wire or soft wire better, what are the advantages and disadvantages of these two kinds of wire? These two kinds of lines show that we often use in the construction, that is, BV line and BVR line.