A 10,000-hp, 60-Hz, 1200-rpm, 4.1-kV, three-phase, Y-connected synchronous motor draws the armature current of 1500 A at
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A 10,000-hp, 60-Hz, 1200-rpm, 4.1-kV, three-phase, Y-connected synchronous motor draws the armature current of 1500 A at 0.80 leading power factor under rated load. It has synchronous reactance of 1.2 Ω/ph and negligible resistance. Determine the field excitation voltage (counter emf) Ẽf and the torque angle δ.
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We make perphase calculations For Yconnection V T 4100 3 2367 V which we take as the reference phasor The armature current at 08 power factor leading ...View the full answer
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Related Book For 
Introduction To Electrical Power And Power Electronics
ISBN: 9781466556607
1st Edition
Authors: Mukund R. Patel
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