B/A 3 phase, 460v, star connected, 1740 rpm, 60Hz, 4-pole, SRIM. Have the followingparameters per phase: R₁-0.2502, R2e-0.292, X₁=Xze=0.592, Xm=3002, the rotational losses are1700W, Find:a. Starting current when stared direct on full voltage.b. Full load slip.c. Full load current.d. Full load power factor.e. Motor efficiency at full load.

Step 1: Step 2: Step 3: Step 4:

Answered: B/A 3 phase, 460v, star connected, 1740…

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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Q5- Adjust a fire angle for a three-phase full-wave semi-controlled converter to feed the separately exciter DC motor to get a load torque can be reached to 750 rpm. When the supply voltage of converter is 150 volts per-phase and the absorbed current through the armature 40A with resistance 0.2 a and a constant back emf 0.4v/rpm. Then find the maximum speed for motor assume the previous parameters values are a constant.
A four-pole induction motor drives a load at 2405 rpm. This is to be accomplished by using an electronic converter to convert a 400V dc source into a set of three-phase ac voltages. a) Find the frequency required for the ac voltages assuming that the slip is 4 percent. The load requires 2hp. b) If the dc-to-ac converter has a power efficiency of 93 percent and the motor has a power efficiency of 80 percent, estimate the current taken from the dc source.
B) fill in the blanks : 1) When a synchronous motor is running at synchronous speed, the damper winding Produces...... torque. 2)The maximum power in cylindrical and salient pole machines is obtained respectively at load angles of...... 3)The primary winding of a 220/6 V, 50 Hz transformer is energized from 110 V, 60 Hz supply. The secondary output voltage will be.... 4)The relative speed between the magnetic fields of stator and rotor under steady state operation is zero for a.....machines. 6 G
I want to represent each point on the graph paper with its corresponding scale written alongside it.
A 3 phase, 1500 rpm, 2200 V, star connected synchronous motor has an impedance of 0.4+j90 per phase. At some excitation 2900 V is induced in the armature. Find the maximum torque developed by motor before the motor breaks out of synchronism. Also find the load angle this time.

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