How do eddy current dynamometers work for load testing motors and gearboxes?

[Analysis]

Dear all

The eddy current dynamometers are used to load testing of motors and gearboxes.Can anybody explain the principle and operation of dynamometers and load testing accuracy.?

Thanking u
Prakash

 

[brewnog]

Wikipedia has the answers:

http://en.wikipedia.org/wiki/Dynamometer


If you need more information after reading that, let me know.