Carbone of America has also developed a special brush-grade material, A 368. These slip rings, although developed for wind-power generators, can also be used on industrial asynchronous motors.
Products from Carbone of America, Boonton, NJ, meet the electrical requirements of wind-power generators. A few include specially developed brush grades, patented carbon slip-ring assemblies, and slip-ring assemblies with bronze rings. Additional products include brush holders and pressure systems, all engineered and designed by the company engineers and tested in its labs.
For example, one slip-ring assembly in particular developed for wind-power generators has a lower weight than previous designs, no corrosion of the carbon, and a lifetime or brush wear of 0.1mm/1,000 hr. The assembly also sports excellent no-load and low-current operation, it tolerates high peripheral speeds, and makes it possible to reduce the IP protection index of the slip ring assemblies.
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Moflon has produced and manufactured the slip ring for over 10 years.
More information:http://www.moflon.com
The contact technical is very important for wind turbine, and the slip ring is the main components of wind turbine, it can be transfer power and signal, also can add control system.
More details: http://www.arslipring.com
Differential slip ring is a special kind of slip ring, which is through the differential structure and to cleverly use ring core to guide the contact points of relative rotation of upper and lower layers
more information:http://www,moflon.com