[China Aluminum Network] November 15-17, 2012, the first annual conference of the first national transmission and distribution technology collaboration network with the integration of development and quality control, and 2012 China's transmission and distribution technology innovation and application The conference was grandly opened in Beijing China Science and Technology Hall. The annual meeting was hosted by the China Electric Power Enterprise Association Science and Technology Development Service Center and the National Transmission and Distribution Technology Cooperation Network, and Guoyan Zhongdian (Beijing) Consulting Co., Ltd. organized the event.
According to the organizers, this meeting has gathered hundreds of related management and technical personnel from power generation companies, power grid companies, research institutes and related equipment manufacturing companies across the country. During the three-day annual meeting, the organizers will carry out a number of special forums, technical seminars, technical seminars, technical inspections, and interactions between the supply and demand sides and other activities, aiming to build a cooperation and exchange for supply and demand sides of power companies. platform.
At the meeting, Tang Songbai, Deputy Chief Technical Officer of Far East Cable Co., Ltd. made a speech on the theme of aluminum alloy cable research and development and application. Polaris Smart Grid Online made a full review of the conference for you:
Theme: Matching Electricity Special Forum Date: 2012.11.15 Date: 13:40-18:00
Location: Room 204, Room 206, Second Floor, China Science and Technology Hall---206 Tang Songbai: Leaders, experts, good afternoon. I mainly introduce our company and the work we have done in the research and development of aluminum alloy wire and cable for the past two years. Far East Cable is a listed company specializing in the production of wire and cable. It was built in 1990 and covers an area of ​​more than 1,000 acres. The total assets are 6.917 billion yuan. The sales in 2011 were nearly 20 billion yuan. Industry leader. We have ultrahigh-voltage cross-linked cables, high-voltage cross-linked cables, medium-voltage, low-voltage cross-linked cables. Fire-resistant cables, marine cables, and offshore cables. Special cables include nuclear grade cables, wind power cables, and data control cables. The development of Far East Cables in the past 20 years has seen rapid progress. We have applied many of our products in various industries, such as rail transportation, power stations, and petroleum and petrochemical applications. Here we will briefly introduce the Far East Cable Technology Research Institute. The Far East Cable Technology Research Institute is a state-certified enterprise technology center. It is a Jiangsu Provincial Engineering Technology Research Center. It has 680 technical R&D teams with important testing centers and new products. Each year, more than 30 items are certified, and more than 50 items of patents are authorized each year. Academicians workstations and postdoctoral workstations are available.
Below, I have developed a new product in the past two years, but also we think that the application of the building system is more extensive, but in our power system is relatively small, aluminum alloy conductor power cable to make a report to everyone.
First of all, from the perspective of the resources of our country, our country is a country with very scarce copper resources. At present, the vast majority of copper materials are solved by imports. On the contrary, aluminum resources are abundant. At present, our country’s aluminum mining and smelting processing technology All walk in the forefront. We compare the technical economics of copper and aluminum alloys. Aluminum has a conductivity of 61% of copper, a density of 30% of copper, and a mechanical strength of 40% of copper. With the same resistance per unit of length, the aluminum conductor has a copper cross-section. 150% of the conductor, and its corresponding weight is only 42% of copper. According to the current market price, the cable purchase price is 50% of copper.
The main problems of the pure aluminum cables we used in the past, we have many problems in the safety of electrical appliances, and even caused a relatively large fire, then the main reason is that when the conductors are connected, because the long-term Under operating conditions, aluminum wire produces high temperature changes, which can adversely affect the safe operation of the cable. The following table is a comparison of the mechanical properties of copper and aluminum. It can be seen from the table that the elongation of hard pure aluminum is very low, and its flexibility is poor in cable applications.
Aluminum alloy conductors have several advantages. Conductivity of aluminum alloy conductor cables is 61% of that of commonly used reference materials. Electrical connections made with this alloy conductor are as stable as copper. Copper aluminum alloy connectors are used for cable connection, which greatly reduces the problems caused by the difference in thermal expansion of copper and aluminum. The aluminum alloy conductor of the cable meets the requirements of indoor electrical connection by the thermal cycling experiment and mechanical performance test specified in the standard.
At present, the voltage rating of aluminum alloy cables developed by our company ranges from 1,000 volts to 30,000 volts, from 10 squares to 1,000 square meters. The first few pictures below are medium voltage 10,000 volts. This is a solid conductor aluminum alloy cable.
We diviided the led light according to the using eviiroment. Most of our product is the commercial LED Lighting
Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
Track Linear Light,Led Linear Light Fixture,Led Linear Lighting,Led Linear Light Bar Fixture
Jiangmen Dilin Lighting High-Tech Co., Ltd. , https://www.jmdilinlighting.com