Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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DEGREE: ELECTRICAL ENGINEERING 

SUBJECT/COURSE: AC CIRCUITS

 

NOTE: Please solve in this way. 

 

1. Please have a good handwriting, some of the answers are not readable. Thank you!

2. GIVEN.(include symbols and units)

3. REQUIRED/FIND/MISSING (with symbol/s)

4. ILLUSTRATION (Required).

5. STEP-by-STEP SOLUTION with Formulas and Symbols. No Shortcut, No skipping, and detailed as possible

6. FINAL ANSWERS must be rounded up to three decimal places

 

PROBLEM:

• A 440V, 3-phase ac motor has a power output of 11.25kW and operates at a power factor of 0.8 lagging and with an efficiency of 84%. If the motor is delta connected determine:

(a) the power input,

(b) the line current and

(c) the phase current

A 440V, 3 – phase ac motor has a power output of 11.25kW and operates at a power factor of 0.8 lagging and with an
efficiency of 84 percent If the motor is delta connected determine (a) the power input, (b) the line current and (c) the phase
current.
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Transcribed Image Text:A 440V, 3 – phase ac motor has a power output of 11.25kW and operates at a power factor of 0.8 lagging and with an efficiency of 84 percent If the motor is delta connected determine (a) the power input, (b) the line current and (c) the phase current.
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