Slip Clutch provides wind turbine generator protection.August 20, 2009 -
By positioning slip unit to middle section of shaft, CENTA Torque Set eliminates variations in slip torque caused by manufacturing tolerances at generator shaft. Max torque is set on certified test bench according to manufacturer's requirements, eliminating need for on-site adjustments. Slip system allows for more than 200 slip processes without major impact on slip torque setting. Depending on size, torque range up to 120 kNm is covered.
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Original Press release
CENTA Corp.
2570 Beverly Dr., Suite 128
Aurora, IL, 60502
USA
CENTA Announces New Slip Systems for Wind Turbine Generator Protection
CENTA's wide-ranging global experience produces an enhanced version of its Torque Hub, the market-leading slip clutch that offers a simple and low-cost design for torque overload generator protection.
In wind power plants, electrical circuit problems are known to cause short-term torque peaks. In this event, slip clutches protect the costly gearbox against overload by slipping at a defined maximum torque in order to temporarily interrupt the drive. The slip process takes place not on the generator shaft surface, but inside the CENTA Torque Hub, which is mounted on the generator shaft in the coupling's clamping set.
CENTA's latest development in slip systems-"CENTA Torque Set"-now positions the slip unit to the middle section of the shaft. By relocating the slip function, manufacturing tolerances at the generator shaft no longer cause variations in the slip torque, resulting in improved accuracy of the slip function. Another advantage of the new design is that the slip system is made to be pre-mounted as a complete unit. The maximum torque is set on a certified test bench according to the manufacturer's requirements and documented in a test report, eliminating the need for on-site adjustments.
The low-maintenance slip system is also designed to allow for multiple slip processes (> 200) without having a major impact on the slip torque setting. Depending on the size, a torque range of up to 120 kNm is covered. The new slip system can also be provided as a low-cost system component which does not include the coupling unit.
All CENTA couplings and drives are based on innovative technology. With a long history of Leading by Innovation, CENTA offers a wide range of flexible couplings and shaft systems, propelling the company since 1970 into a leadership position in many industries worldwide including marine, industrial, gas/oil, and the energy sectors.
CENTA Corporation's newly expanded Chicago facility includes a large in-house machine shop for domestic production of your wind turbine couplings from a trusted source - now "Made in the USA".
For more information contact:
Bob Lennon, Director of Sales
CENTA Corporation
2570 Beverly Drive #128
Aurora, IL 60502 USA
BobL@centacorp.com
(630) 236-3500
www.centa.info
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