A 420V, 3-phase, delta-connected induction motor has an output of 12kW at a p.f of 0.88 and efficiency of 94%. Calculate the readings on each of the two-watt meters connected to measure the input.

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
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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A 420V, 3-phase, delta-connected induction motor has an output of 12kW at a p.f of 0.88 and efficiency of 94%. Calculate the readings on each of the two-watt meters connected to measure the input.  

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