Two compound generators A and B, fitted with an equalizing bar supply a total current of 500A. the data regarding these machines are: Machine A Machine B Ra = 0.032 Rse = 0.042 Eg = 500V Ra = 0.02N Rse = 0.062 Eg = 490V alculate the following: a) Current through equalizing bar b) Bus bar voltage

Two compound generators A and B, fitted with an equalizing bar supply a total current of 500A. the data regarding these machines are: Machine A Machine B Ra = 0.032 Rse = 0.042 Eg = 500V Ra = 0.02N Rse = 0.062 Eg = 490V alculate the following: a) Current through equalizing bar b) Bus bar voltage

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

The DC shunt generator with the terminal voltage 300 V, armature drop 8 V and the each brush drop 2 V, then the value of generated emf is
3. Two de generators each having linear characteristics that operate in parallel. One machine has a terminal voltage of 470V at no load and 220 V at a load current of 100A. while the other machine has a voltage of 480 V at no load and 200 V at 120 A. calculate the current in each generator and the bus bar voltage when the total load is 200A. What is the kilowatt output of each machine under this condition?
Two shunt generators are connected in parallel to supply a current of 1500A. Each machine has a field resistance of 60 ohms and an armature resistance of 0.01 ohm. The generated emf by each machine are 455V and 460V, respectively. Calculate the power delivered by each machine.
3. Two shunt generators operating in parallel given a total output of 600 A. One machine has an armature resistance of 0.02 ohm and a generated voltage of 455 V and the other an armature resistance of 0.025 ohm and a generated voltage of 460 V. Calculate the terminal voltage and the kilowatt output of each machine. Neglect field currents Subject: Electrical Machine 1
Untitled Section Jalis 6 In d.c. generators armature reaction is produced by field current O armature current commutating winding current none of the mentioned compensating winding current *.The use of d.c. generators eliminated the use of rectifiers and ac supplies True False O
Show detailed solution with illustration.
B9
Note: Please don't write by handwriting.
A DC shunt generator delivers 45 A at a terminal voltage of 220 V. The armature and the shunt field resistances are 0.01 2 and 44N respectively. The stray losses are 375 W. What is percentage efficiency of the DC generator
What is use of solenoid coil in the pressure to converter? a. To produce magnetic field in the LVDT b. To change the LVDT output c. To bring back the pivoted beam normal position d. To produce linear displacement in bellows
Maz a) A sinewave is having a frequency of 50 Hz and instantaneous value of 250 Volts at 1.3 milli seconds. Find D The maximum value of sinusoidal voltage waveform and i) The value of voltage at 2.1 milli seconds. b) Determine the instantaneous equation for the voltage waveform shown in figure, if Vp=100 Volts, Time period is 10 milli seconds and 0 =40 degrees. on Vp Upload your Answers steps in the "Final Answer Submission" Link provided in the Moodle. a) (i) Maximnum value = a) (ii) Value of voltage at 2.1 ms = b) Angular frequency =
b) A newly built institution has bought a D.C. shunt generator to supply a library in order for students to study using electrical power from this machine when there is load shedding on the national grid. The total load of the library is 50 kW through the cables of total resistance of 0.04. The winding resistance of the generator is 5092 and the armature resistance is 0.072832. The library is to be supplied at 0.4kV. i. Draw the circuit diagram indicating all the above stated values. ii. Determine the load current (IL). iii.Determine the terminal voltage of the generator. iv. Determine the armature current. v.Determine the E.M.F. generated in the armature.