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CN103344839B - A kind of busbar joint contact resistance
WebFigure 1: Layout of a RB bus and joint. In a good joint the resistance between the two SC cables should be less than 0.6 n : , so that, even at ultimate current of 13 kA, the heating is less than 0.1 W. Furthermore, the joint stabilizer and the bus stabilizer (on either side of the joint) should work as a continuous electrical shunt to the cables. WebJoints need to be mechanically strong, resistant to environmental effects and have a low resistance that can be maintained over the load cycle and throughout the life of the joint. 6.2 Busbar Jointing Methods Efficient joints in copper busbar conductors can be made very simply by bolting, clamping, riveting, soldering or welding. find mean google sheets
6.0 Jointing of Copper Busbars - Studylib
WebFeb 20, 2024 · There are many ways to joint copper busbars together. For switchgear and Motor Control Centres we usually use bolts to clamp them as this method gives great … WebIt was observed that a maximum joint strength of 930 N was obtained from the Ni tab to Al busbar joints which was approximately 109%, 44% and 66% more than the strength obtained for Al, Cu[Ni] and ... Efficient joints in copper busbar conductors can be made very simply by: Bolting. Clamping. Riveting. Soldering. Welding. 5 Copper Busbar Jointing Methods (photo credit: donalmccann.com) Bolting and clamping are used extensively on-site. Shaped busbars may be prefabricated by using friction stir welding. See more Bolted joints are formed by overlapping the bars and boltingthrough the overlap area. They are compact, reliable and versatile but have … See more Clamped joints are formed by overlapping the bars and applying an external clamp around the overlap. Since there are no bolt holes, the current flow is not disturbed resulting in lower … See more Soldered or brazed joints are rarely used for busbars unless they are reinforced with bolts or clamps since heating under short-circuit conditionscan make them both mechanically and electrically unsound. Go back to Methods ↑ See more Riveted joints are similar to bolted joints. They can be efficient if well made. It is difficult to control the contact pressure. They cannot easily be dismantled or tightened in service and they are difficult to install. Go back to … See more find me animal games