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How to replace an eddy current drive (clutch) with a VFD ? What should be the steps

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munzir

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How to replace an eddy current drive (clutch) with a VFD ?

What should be the steps to carry on the task ?

thanks
 

kak111

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Here is some info for you......

An eddy current clutch is simply a device that passes load torque through to the motor
without modification while reducing the motor speed to the load by an adjustable amount, typically 95% down to about 20%.

Regarding speed, note that the max clutch output speed is never equal to the motor speed.
The clutch, when fully locked up at max speed, still has between 3 and 5% slip so figure
that into your max speed calculations on the new system.

https://www1.eere.energy.gov/manufacturing/tech_deployment/pdfs/motor_tip_sheet12.pdf

http://energyexperts.org/EnergySolutionsDatabase/ResourceDetail.aspx?id=38

http://www.google.fi/url?sa=t&rct=j..._eMqxaVc-IskRQFYw&sig2=9nq3XBV7wurH-HLHLr_3Fw

http://www.dynamatic.com/technology/dynamatic-versus-vfd.html
 

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