1. A 400V, 3-phase, wound-rotor synchronous motor has an efficiency of 92% while delivering 18hp (at the shaft) and the per-phase synchronous impedance of 0.5+j1.5Ω. If the motor operates at 0.9 lagging pf, determine the power factor angle
1. A 400V, 3-phase, wound-rotor synchronous motor has an efficiency of 92% while delivering 18hp (at the shaft) and the per-phase synchronous impedance of 0.5+j1.5Ω. If the motor operates at 0.9 lagging pf, determine the power factor angle
Chapter39: Synchronous Motor Operation
Section: Chapter Questions
Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...
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1. A 400V, 3-phase, wound-rotor synchronous motor has an efficiency of 92% while delivering 18hp (at the shaft) and the per-phase synchronous impedance of 0.5+j1.5Ω. If the motor operates at 0.9 lagging pf, determine the power factor angle.
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