Syncronous Machines Slip

In syncronous machines, less slip is useful or more slip is useful? Why?

vijaythatikonda
Profile Answers by vijaythatikonda Questions by vijaythatikonda
Sep 4th, 2008
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Raman Jain
Profile Answers by Raman Jain Questions by Raman Jain

Sep 30th, 2008

The slip in syn. machine should remain zero , because if there is slip than it is not syn, machine.
As far as slip is concerned , it is relevent in induction motors.

venky_sastra
Profile Answers by venky_sastra

Dec 28th, 2008

A synchronous machine is defined as a machine which rotates with the constant speed
slip= Ns-Nr/Ns
since in syn m/c Ns=Nr
S=0
The significance of slip comes only in induction machines where the slip exists.