On June 8, 2008, the 13th Guangzhou International Lighting Exhibition was grandly opened at the Guangzhou International Convention and Exhibition Center. This year's show brought together more than 1,400 lighting companies from home and abroad, and attracted the attention of many experts and scholars in the industry. It is an annual event in the lighting industry this year.
Compared with the past, there are many highlights worthy of our attention. In the past, there was no special exhibition hall for green lighting. The LED and energy-saving lamps were displayed in other related exhibition halls. At the current lighting exhibition, the organizers set up LED special exhibition hall for the first time. To make green lighting products have a better display platform; secondly, in order to meet the needs of many brand enterprises, the brand pavilion area of ​​this exhibition has increased to 33,000 ┫; the number of overseas exhibitors of this year's lighting exhibition has greatly exceeded that of previous years. More than 300; in the same period will also hold lighting technology summit forum, China Lighting Electrical Products Competition, LED Summit Forum and other activities.
At this exhibition, Mr. Liu Gaojian, Sales Director of Shenzhen Ao Electronics Co., Ltd., received an interview with this reporter.
Mr. Liu Gaojian, Director of Electronic Sales, Shenzhen Olympics Click here to view all news photos
HC Lighting Industry will broadcast the grand event of this exhibition for you, more detailed reports, please pay attention to the live broadcast of this exhibition.
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Bare aluminium conductors are electrical conductors made from pure aluminium. They are used in various electrical applications, including overhead power transmission and distribution lines.
Bare aluminium conductors have several advantages over other types of conductors. Firstly, aluminium is lighter than copper, which makes it easier to handle and install. This is particularly important for overhead power lines, where the weight of the conductor can have a significant impact on the cost and feasibility of the project.
Secondly, aluminium has a higher conductivity-to-weight ratio than copper. This means that for a given weight, aluminium conductors can carry more current than copper conductors. This makes them more efficient in terms of power transmission.
However, bare aluminium conductors also have some disadvantages. One major drawback is their lower mechanical strength compared to copper conductors. This makes them more susceptible to sagging and stretching under the weight of their own span, especially in hot weather conditions. To address this issue, aluminium conductors are often reinforced with steel strands to improve their mechanical strength.
Another disadvantage is that aluminium has a higher resistance than copper, which can result in higher power losses and voltage drops. To mitigate this, aluminium conductors are typically designed with larger cross-sectional areas compared to copper conductors to compensate for the higher resistance.
Overall, bare aluminium conductors are widely used in electrical power transmission and distribution systems due to their cost-effectiveness, lightweight, and high conductivity-to-weight ratio. However, careful design and installation considerations are necessary to ensure their mechanical strength and minimize power losses.
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