Electrical Transformers and Rotating Machines
4th Edition
ISBN: 9781305494817
Author: Stephen L. Herman
Publisher: Cengage Learning
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Question
Chapter 21, Problem 7RQ
To determine
The conductor sizes, overload heater size, fuse size, minimum NEMA and IEC starter sizes, and the upper and lower range of starting current for this motor.
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A balanced star-connected load of (8 + j6) Q per phase is connected to a Balanced 3- phase 400-V supply. Find the line current, power factor, power
what is the smallest
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Find the value of the currents I1 and 12.
100 ohm
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100 ohm
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O a. 1=-0.3A, 12=-0.1A
O b. 11=0.3A, 12=0.1A
Oc. 11=0.05A, 12=0.1A
O d. 11=0.1A, 12=0.2A
Chapter 21 Solutions
Electrical Transformers and Rotating Machines
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