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
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
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 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
A general manager from a well-known abc cable company publicly told his views on safety production. He said that an employee accidentally fell down at the production site and caused serious injury. The fall was caused by a pool of oil on the ground. The reason why there is oil on the ground of the … Read more
What are the reasons for the aging of wires and cables? Can cable aging still be used? Is there any harm or harm? The following is the reason analysis and disadvantages of the aging of wire and cable arranged by Huaxing wire and cable. I hope it can help you! Causes and hazards of aging … Read more
1. The performance of power cable insulation material decreases irreversibly with service time and environment, which is called insulation aging. The manifestations of insulation aging are as follows: breakdown strength decreases, dielectric loss tangent increases, local leakage and discharge increase, mechanical strength and other properties decrease. 2. In the aging process, the time required for … Read more
The National Bureau of statistics released the output and growth rate of China’s major industrial products from January to March. Among the 100 major industrial products listed, except for fax machines, only 4 products showed a year-on-year decrease in output from January to March 2020. Among them, the cumulative output of abc cables was 63.996 … Read more
The occurrence of ACSR Cable 336.4 MCM faults is accompanied by the laying and use of cables. The location of cable faults varies with cable laying methods, and the difficulty in locating is gradually increasing. Among them, the positioning and searching of bridges, tunnels, and trenches are relatively simple, while the direct-buried method is the … Read more
When Low voltage cables and middle voltage Cables are constructed in winter, because the outdoor temperature is below minus 10 ℃, the low temperature polyvinyl chloride and cross-linked polyethylene insulation and sheath materials show hard and brittle characteristics, such as accidental accidents during the laying process If bumped, the insulated core and copper shield are … Read more