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Topic Title: excitation current & motor constant
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Created On: 29 August 2012 09:29 AM
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 29 August 2012 09:29 AM
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timslater

Posts: 5
Joined: 28 March 2004

How do I find the excitation current and the motor constant (R1)of 3phase motor.
Need to enter values into inverter.

Regards Tim
 29 August 2012 05:02 PM
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MAWilson

Posts: 48
Joined: 22 February 2006

When you say excitation current, are you referring to the starting current of the motor? If so, I'd suggest your best bet is the torque curve characteristics for the motor would have this information. Info of the motor p.f and steady state current rating are usually labelled on the motor as well.
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