Answered: Blocked Rotor No-Load…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The following data were obtained from no-load, blocked-rotor, and DC tests of a three-phase, wye-connected, 40-hp, 60-Hz, 460-V, design B induction motor whose rated current is 57.8 A. The blocked-rotor test as made at 15 Hz.
Blocked Rotor No-Load DC
V_line = 37.3 V V_line = 460.0 V V_DC = 12.0 V
I_line = 57.9 A I_line = 32.7 A I_DC = 59.0 A
P_{3 phase} = 2541.4 P_{3 phase} = 4664.4 W
Determine the rotor resistance referred to the stator side in Ohm per phase. Give your final answer in 4 decimal places.

Correct Answer is 0.6550

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