Connect 1 Semester Access Card For Electric Motors And Control Systems
Connect 1 Semester Access Card For Electric Motors And Control Systems
2nd Edition
ISBN: 9781259550195
Author: Petruzella, Frank
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 3.3, Problem 10RQ
To determine

The use of autotransformers to reduce the starting current for large three-phase motor.

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The transformer rating is 1200:2400 V @ 120 kVA. What is the apparent power provided by the source? What does this mean for the operation of the transformer?  Draw the power triangle at the source and calculate the power factor. The magnitude of the voltage source is given in VRMS.
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Connect 1 Semester Access Card For Electric Motors And Control Systems

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