Speed, torque and current of 3-phase, 6 poles 50 Hz induction motor under nominal (full) load are 940 rpm, 150 Nm and 60 A, respectively. The starting current of the motor under nominal voltage is 300 A. Calculate; a) The starting torque b) If the star/delta starting technique is used fort his motor, then calculate the starting current and torque of the motor. Can you start this motor with 90 Nm load current? P.S. You can use the equation of; Tst 2 st * S Ta Is
Speed, torque and current of 3-phase, 6 poles 50 Hz induction motor under nominal (full) load are 940 rpm, 150 Nm and 60 A, respectively. The starting current of the motor under nominal voltage is 300 A. Calculate; a) The starting torque b) If the star/delta starting technique is used fort his motor, then calculate the starting current and torque of the motor. Can you start this motor with 90 Nm load current? P.S. You can use the equation of; Tst 2 st * S Ta Is
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Please answer the question step by step and please care to explain the question in detailed with your own sentence and explain why you used that formula, calculations etc asap. Thanks in advance.
Transcribed Image Text:Speed, torque and current of 3-phase, 6 poles 50 Hz induction motor under
nominal (full) 1load are 940 rpm, 150 Nm and 60 A, respectively. The starting
current of the motor under nominal voltage is 300 A. Calculate;
a) The starting torque
b) If the star/delta starting technique is used fort his motor, then calculate
the starting current and torque of the motor.
Can you start this motor with 90 Nm load current?
P.S. You can use the equation of;
Ist
2
Ist
* S
Ta
Is
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