The field coils of a six-poles D. C. Generator, each having 600 turns, are connected in series. On the excitation of the field, there is a magnetic flux of 0.024 Wb/pole. If the field circuit is opened in 0.24 seconds and residual magnetism is 0.0024 wb/pole, calculate the average voltage

The field coils of a six-poles D. C. Generator, each having 600 turns, are connected in series. On the excitation of the field, there is a magnetic flux of 0.024 Wb/pole. If the field circuit is opened in 0.24 seconds and residual magnetism is 0.0024 wb/pole, calculate the average 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

Related questions

Q: Mention 3 factors causing a permanent magnet generator not to generate emf

A: The objective of the question is to identify the three main factors that can cause a permanent…

Q: In transformer, the hysteresis loss depends on load current O only flux density O both frequency and…

A: consider the given question;

Q: In DC generator pole core is made up of

A: In the DC generator pole core is made up?

Q: What are the losses taking place in an alternator?

A: The Power losses occur in the alternator due to a number of different mechanisms. These can be…

Q: To change the direction of rotation of a series wound DC generator the general rule is to

A: To change the direction of rotation of a series wound DC generator Note: we always change the…

Q: Discuss the advantage and disadvantage of each connection. Generator reactor Tie-bar…

A: The advantage and disadvantage is given below of the following : Generator reactor: Disadvantage:…

Q: - Inter pole winding is connected in

A: Inter pole produces a counter emf to nullify reactance voltage.

Q: Question: In Dc chopper,the input voltage waveform is and the output voltage waveform is Option 1:…

A: In this question, choose the correct options What is input voltage waveform and what is output…

Q: component is fabricated using cast iron in an Induction motor. Bearings Stator frame Rotor stator…

A: 3-Phase Induction Motor- 3-Phase induction machine- When three-phase stator displaced by 120' is…

Q: What is difference in alternator and generator?

A: Difference between alternator and generator

Q: In generator, the generated e.m.f will increase with the load. separately excited dc generator self…

A: In this question we need to choose a correct option.

Q: dc compound generator

Q: block diagram fro dc motor refrigerator

A: Electrical machines can be either generator, transformer or motors. They can be either Ac machines…

Q: For dc machines, the series field windings have many turns of fine wire true False

Q: a 3 phase, 50 hz synchronous generator has 200 conductors per phase. The flux per pole is 30mwb and…

A: 3 phase synchronous generator frequency f = 50 Hz number of conductors per phase Z = 200 number of…

Q: What are rotor faults in alternators

A: The rotor of an alternator is directly connected with field winding of the alternator whenever there…

Q: What is the Shunt de generator and Draw equivalent circuit?

A: In DC generator field current is needed to excitation. DC field current excited separately through…

Q: The reactance's of the alternator during the periods of steady state are given bellow, Leakage…

A: What is value of the synchronous reactance at steady state? if the leakage reactance Xl= 0.18…

Q: List down 3 main parts of DC generator

A: DC GENERATOR: When the local grid is down, independent equipment called electrical generators can…

Q: PZ 4- A 4-pole generator has a wave-wound armature with 722 conductors and the armature current is…

Q: When the field current (If) is increased towards its rated value in the DC shunt generator, the…

A: Given, DC shunt generator, If, field current is increased

Q: A 100kW generator, 250V, 6 poles have a wave wound armature with 300 turns then the number of…

A: The solution can be achieved as follows.

Q: DC shunt generator has a terminal voltage of 191 V and armature current of 0A (under no load), then…

Q: List down 3 main parts of DC generator

A: DC GENERATOR: When the local grid is down, independent equipment called electrical generators can…

Q: operating frequency

A: Given- Power factor= 0.8 Frequency= 62 Hz Damping coefficient= 2 MW/Hz Power= 2 MW

Q: ompare between 2-phas notor and universal moto

A: On the basis of the construction and working principle there are various types of motors like…

Q: What is the working principle of a single phase motor

Q: 12. Calculate the number of series turns per pole required on a compo generator to enable it to…

Q: / In an armature winding of d.c machine, the conductors are connected in Ans/ 1- Series 2- parallel…

A: The armature winding of the DC machine are consist of the copper conductors

Q: Explain how the real and reactive power is controlled in synchronous generators.

A: Synchronous generators: Synchronous generators, also known as alternators, are a type of electrical…

Q: 2A. What is another term for "shunt"? a) in series b) in parallel c) compounded d) none of the above…

Q: What are the main effects of losses on the performance of the alternator?

A: There are various effects of losses on the performance of alternator. To calculate the efficiency of…

Q: Demonstrate over compound flat compound and under compound DC generator with the help of circuit…

Question

DC generatorr

The field coils of a six-poles D. C. Generator, each having 600 turns, are
connected in series. On the excitation of the field, there is a magnetic flux
of 0.024 Wb/pole. If the field circuit is opened in 0.24 seconds and
residual magnetism is 0.0024 wb/pole, calculate the average voltage
induced across field terminals.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

how does the rotor of a 3-phase induction motor get power a- through brushes and commutador segments b- through brushes and slip ring c- indution from the stator d- none of the above
In differential compound DC Generator the shunt field current and the series field current are in opposite direction Select one: True False For lap and wave wound generators the generated power is same. Select one: True False
In small transformers, the total copper loss may vary from the rated output. % of O 0.2 to 0.6 O 0.5 to 1 O 0.8 to 1.5 O 0.4 to 1
Which of the given circuit breaker can success fully interrupt Lightning Surges? O a. Vacuum CB O b. Air blast CB O c. SF6 CB O d. Oil CB
In DC shunt generator, the load characteristics is drawn between
imary winding is connected o be applied at normal freq rough it when the secondary conner loss
We know there are few conditions for alternator synchronization. How many conditions are there? Write all the conditions.
Why are alternators connected in parallel? What are the conditions for parallel connection? Explain.
H.W-1: 1. Draw a developed diagram of a simple 2-layer lap-winding for a 4-pole generator with 8 coils. 2. Draw a developed diagram of a simple 2-layer wave-winding for a 4-pole generator with 9 slots.
In a synchronous generator, a DC current is applied to the rotor windingList two advantages of this arrangement.
3.4 The rotor power output of 3-phase induction motor is 15 k. The rotor copper losses at a slip of 4% will be (a) 600 W (c) 650 W (b) 625 W (d) 700 W
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