Draw the circle diagram for a 5.6 kw 400 v 3 phase, 4 pole, 50 Hz slip ring induction motor from the following data No load test 400 v, 6A, 380 W Blocked Rotor Test 150 V, 19 A, 820 W The ratio of stator to rotor turns = 2.5, %3D stator resistance per phase is 0.67 ohm and rotor is 0.185 ohm, calculate(a)full load current and power factor. (b)full load torque and maximum torque. (c)maximum power factor and slip at maximum torque. (d)Resistance to be inserted in rotor circuit to give starting torque 150% of full load torque. *

Draw the circle diagram for a 5.6 kw 400 v 3 phase, 4 pole, 50 Hz slip ring induction motor from the following data No load test 400 v, 6A, 380 W Blocked Rotor Test 150 V, 19 A, 820 W The ratio of stator to rotor turns = 2.5, %3D stator resistance per phase is 0.67 ohm and rotor is 0.185 ohm, calculate(a)full load current and power factor. (b)full load torque and maximum torque. (c)maximum power factor and slip at maximum torque. (d)Resistance to be inserted in rotor circuit to give starting torque 150% of full load torque. *

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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Using the following informations: Determine the magnetizing reactance at 60 Hz of the induction motor referred to the stator. (in ohms per phase)
PASSAGE Choose the correct option.(Marks:2) Assuming arn induction motor which is working at supply frequency of 50 Hz ac supply and having 6 poles. The stip of Induction motar at no load is 3% and at full load is 6%. Then selecting appropriate the value of slip deterrnine followinye Evaluate the rotor frequency at no load. OPTIONS 1.8 Hz 1.5 Hz 1.3 Hz 1.6 Hz SKIP hp
d) What measures can be taken to reduce Eddy losses? e) How does the starting torque change if the supply voltage of the induction motor is doubled? f) If the induction motor reaches synchronous speed, what changes are observed in the operation of the induction motor?
The rotor of the 4-pole three-phase squirrel cage induction motor has been replaced with the rotor of the three-phase 4-pole rotor wound induction motor. When the motor is fed with normal supply, the machine will a) Does not work b) Runs at a very slow pace c) Runs at slightly lower speed than normal speed d) Runs at a slightly higher speed than normal speed e) none
See attached.
We make( V/F) constant in speed control of three-phase induction motor in order to make motor torque constant? * True False
Hury up pleaaaaaaase
S1) please hury up its late