Answered: With the aid of diagrams explain the…

Engineering

Electrical Engineering

With the aid of diagrams explain the three generator characteristic curves

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter11: Transient Stability

Section: Chapter Questions

Problem 11.3P

See similar textbooks

Related questions

Q: The modeling of a generator is usually giving by applying the swing equation of a synchronous…

A: The swing equation depicts the dynamics of synchronous generators, relating rotor angle to power…

Q: The following figure shows load characteristics of dc generator. Match the characteristic with the…

A: Given characteristics curve or load curve of DC generator,

Q: Which of the following factor is responsible for negative voltage regulation of a DC generator?…

A: Given To find the factor responsible for negative voltage regulation in DC generator.

Q: 1. Which of the following is/are a reason for the drop in terminal voltage of a separately excited…

A: There is an typing error is question B2 Please correct it It's not latninated it is laminated

Q: 1. Explain the working of Induction Generator with diagram

A: As we know that in an induction motor works on the principle of magnetic induction. The 3 phase…

Q: C 4 Pole generator has a lap wound armature with 30 conductor per slot. The flux per pole is 30mWb…

Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

With the aid of diagrams explain the three generator characteristic curves

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 2 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

. When a self-excited compound DC generator supplies load, the terminal voltage is not the same as the generated emE Why? a) voltage drop across the armature resistance will reduce the voltage available at the load terminals b) where there is a series field, voltage drop across the series field resistance will reduce the voltage available at the load terminals c) both "a" and "b" d) neither "a" nor "b"
Describe the figures below and how each of figure below are working
Ex1 : An 8 pole armature is wound with 420 conductors , the flux and the speed are each that the average e.m.f. generated in each conductor is 2.2 v and conductor is capable of carrying a fun load current of 100 A . calculate the terminal voltage on no load, the output current on full load , and total power generated on full load when the armature as lap and wave winding.
The following figure shows load characteristics of dc generator. Match the characteristic with the type of generator II p- shunt q- flat compound r- over compound s- differential
For DC shunt generator, external characteristics is the relationship between Answer:
A 4 pole dc shunt generator with a shunt field resistance of 100 ohm and an armature resistance of 1 ohm has 378 wave connected conductor in its armature. the flux per pole is 0.02wb, if the load resistance of 10 ohm is connexted across the aemature terminal and the generator driven at 1000rpm, calculate the power obsorbed by load
Two shunt generators A and B operates in parallel and their load characteristicsmay be taken us straight lines. The voltage of the generator A falls from 240 V atno-load to 220 V at 200 A while that of B falls from 245 V at no load to 220 V at150 A. Determine the current which each machine supplies to a common load of300 A and the bus-bar voltage at this load.
Sketch the load characteristic of a d.c. generator with (i) shunt (ii) series excitation. Give reasonsfor the particular shape in each case.The O.C.C. at 700 r.p.m. of a series generator with separately-excited field is as follows :Field current (A) : 20 40 50 60 75Armature e.m.f. (V) : 190 360 410 450 480Determine the current and terminal voltage as a self-excited series machine when running at 600 r.p.m.with a load of 6 Ω connected to the terminal. Resistance of armature and series winding is 0.3Ω. Ignore effectof armature reaction.
. A 20 kW compound generator works on full load with terminal voltage of 250 V. The armature, series, and shunt windings have resistances of 0.05-ohm, 0.025 ohm, and 100 ohms, respectively. If the machine is connected short shunt, the emf generated is nearest to. (Our subject is Electrical Machines 1 ) (I need a clear answer and solution. Thank you so much)
A short shunt compound generator delivers 150A at a terminal voltage is 230V. The shunt field current is 2.5A. The resistances of the armature, series field and diverter are 0.032-ohm, 0.015 ohm and 0.03 ohm, respectively. Calculate the electrical efficiency of the generator at this load.
B 1. Which of the following is/are a reason for the drop in terminal voltage of a separately excited generator as load is increased? a) eddy currents b) FR losses of the windings c) hystereisis d) all of the above B 2. Eddy currents are kept to a minimum in the pole cores of a DC machine by using latninated pole. as opposed to a solid pole core. a) true b) false B3. A self-excited DC shunt generator must have a residual magnetic field to begin with in order for it to build up to its rated terminal voltage. a) true b) false
In a certain sub-station, there are 5 d.c. shunt generators in parallel, ench having an armature resistance of 0.1 0, running at the same speed and excited to give equal inducnd emfs Each generator supplies an equal share of a total load of 250 kW at a terminal voltage of 500 V into a load of fixed resistance. If the field current of one generator is raised by 4%, the others remaining unchanged, calculate the power output of each machine and their terminal voltages under these conditions Assume that the speeds remain constant and flux is proportional to field current