This preview shows page 1. Sign up to view the full content.
Unformatted text preview: moved to the motor terminals. Use this equivalent circuit throughout the problem. CALCULATE followings : b. The synchronous speed n s in rpm, and s in mech rad/s, c. The RMS values of referred rotor current I 2 / , and exciting current I e , d. The 3phase values of the airgap power P g , the stator copper loss P cus , the rotor copper loss P cur , the gross output power P m and the slip s, e. The operating shaft speed r in mech. rad/s and the electromechanical torque (gross) T e in Nm. Calculate the efficiency by assuming that rotational losses are 2335 W at the speed in (e)....
View
Full
Document
This note was uploaded on 01/30/2011 for the course EE 362 taught by Professor Ermis during the Spring '10 term at Middle East Technical University.
 Spring '10
 ermis
 Electronics Engineering

Click to edit the document details