3. A 3 phase, 50 Hz, 434-V, supply is connected to a, Y-connected induction motor and synchronous motor. Impedance of each phase of induction motor is (1.25 + j2.17) 2. The 3-phase synchronous motor draws a current of 120 A at 0.87 leading p.f. Two-wattmeter method is used to measure the total power. If the phase sequence is positive. Calculate a) reading on each wattmeter b) combined power factor.

3. A 3 phase, 50 Hz, 434-V, supply is connected to a, Y-connected induction motor and synchronous motor. Impedance of each phase of induction motor is (1.25 + j2.17) 2. The 3-phase synchronous motor draws a current of 120 A at 0.87 leading p.f. Two-wattmeter method is used to measure the total power. If the phase sequence is positive. Calculate a) reading on each wattmeter b) combined power factor.

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...

See similar textbooks

Similar questions

A 3-phase induction motor is wound for 6 poles and is supplied from a 60 Hz supply. Calculate the synchronous speed, if speed of rotor is 950 rpm. 1200 rpm 1000 rpm 900 rpm 1100 rpm
The reactance's of the alternator during the periods of steady state are given bellow, Leakage reactance(X)=0.18 ohm, and armature reactance (Xad) = 0.67 ohm. The value of the syncronous reactance during the steay state conditions is Syncronous Reactance in ohm
Q25)ii) When the speed difference will be maximum in three phase induction motor. Justify your answer
A 10 pole 25 Hz alternator is directly coupled to and is driven by 60 Hz synchronous motor. What is the number of poles for the synchronous motor?
5) The method (s) to improve the Power Factor: a. Use of synchronous motors. b. Use of synchronous condensers. c. Connect capacitors with the load. d. All of the above.
Choose the correct option does not have self-starting torque DC Motor EMF due to Mutual inductance Choose... DC Motor Generated EMF DC Generator Back EMF Transformer EMF due to rotating magnetic field Single phase system Three phase induction motor
What should be done to keep the alternator terminal voltage constant at different loads as the alternator is loaded?makes? Please explain
A three phase induction motor is wound for 4 poles and is supplied from 50Hz system. Calculate the synchronous speed and speed of the motor when slip is 4.1%
A three-phase 5012 induction motor has six poles. If the full load slip is 5%, determine the rotor speed. Av B 1