2-1Discuss different types of DC motor, Draw equivalent circuit and Torquespeed characteristics for all.2-2A 20-hp 240-V 76-A 900 r/min series motor has a field winding of 33turns per pole. Its armature resistance is 0.09 ohm, and its field resistance is 0.06Ohm. The magnetization curve expressed in terms of magnetomotive forceversus EA at 900 r/min is given by the following table: Armature reaction isnegligible in this machine. Rotational loss is 1.5KW.E, V95150188212229243F, A turns50010001500 | 200025003000Compute the motor's torque, speed, and output power at 158 % of full-loadarmature current. (Neglect rotational losses.)

Since you have posted multiple different questions. we will solve the first question for you. To get…

Answered: 2-1 Discuss different types of DC…

Engineering

Electrical Engineering

2-1 Discuss different types of DC motor, Draw equivalent circuit and Torque speed characteristics for all.

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: following: a)Types

Q: A 220 V dc shunt motor draws a current of 50 A from the supply and runs at 900 rpm. Its armature and…

Q: Does a DC motor have to be turning in order for it to develop torque? a) yes b) no Most DC motor…

A: The Dc motor is electrical machinery that converts electrical and mechanical energy

Q: 3. A 4-pole, 250-V, d.c. shunt motor has a lap-connected armature with 960 conductors. The flux per…

A: Here DC shunt motor is given and we have to find developed torque and useful torque

Q: Q#4: Obtain an expression for the condition of maximum torque of 3-phase induction motor. Sketch the…

Q: Fill in the following blanks: 1. In order to have sparkless commutation, the brushes should be…

A: 1.In order to have sparkless commutation, the brushes should be placed along the MNA axis 2.D.C…

Q: d.c. series motor has a wave wound armature with 180 conductors. The armature resistance and the…

Q: A 4 pole 10V, DC shunt motor operates on a load current 10A, having wave connected armature with 200…

A: The explanation is as follows.

Q: A 500 V D.C. shunt motor having an armature resistance of 1 ohm draws an armature current of 120 A…

Q: A 24 KW, 140 V, Duplex LAP-wound DC machine has been set to induce rated voltage at a speed of 2200…

Q: An 4 pole, wave-wound DC motor has a 200 V supply. The armature has 1000 conductors and a…

A: An 4 pole, wave-wound DC motor has a 200 V supply. Armature conductor Z=1000 Armuatrur resistance…

Q: The armature of a 8 pole DC motor carries 314 conductors which are lap connected . For an armature…

Q: a dc shunt motor runs at 900 r.p.m from a 460 V supply when taking an armature current of 25 A.…

A: Take the ratio of back emfs to find the speed at terminal voltage of 230 volts. Back emf is directly…

Q: A 250 V, 8-poles lap wound D.C. shunt motor has an armatre resistance of 0.5 N and shunt field…

Q: 3. A 4 pole, 250 dc shunt motor has a lap connected armature with 960 conductors. The flux per pole…

A: The solution can be achieved as follows.

Q: An 8 pole, lap-wound DC motor has a 250 V supply. The armature has 600 conductors and a resistance…

Q: Question # 6: a) Draw and explain output characteristics of DC shunt generator (with and without…

A: Concept: A capacity to do work is called energy and it may exist in potential, kinetic, thermal,…

Q: A 4 pole, (01*10)V, DC shunt motor operates on a load current (1*10)A, having wave connected…

A: Given: V= 10 IL= 10 A Z=200 flux per pole = 25 mwb Rsh=1 ohm Ra= 0.15 ohm

Q: The permanent magnet machines (PMM) known as "Brushless Permanent Magnet Motors", "Brushless DC…

A: The brushless dc motors and brushless permanent magnet motor are the same things. There is a…

Q: B. A 180 V, dc shunt motor drives a constant-torque load at a speed of 1600 rev/min. The armature…

A: Given dc shunt motor Constant torque load at speed 1600 rpm Armature resistance Ra=2 ohm Field…

Q: Pls explain the following. 1. What is Torque in DC motor and its types

A: Simple problem on electrical machines. Look below for the solution once:-

Q: A 230V DC series motor operates at its full load current and speed of 22A and 750 revolutions per…

A: Types of DC Motor Seperetely excited motor Series Motor Shunt Motor Compound Motor Differential…

Q: The starting current for dc motor is high because: Select one: O a. The starting torque is zero O b.…

A: In this question we will write starting current of dc motor...

Q: A 4-pole, 250-V, d.c. shunt motor has a lap-connected armature with 960 conductors. The flux per…

A: Given:

Q: (a) Name the features of FIVE (5) types of generators with description. (b) Explain how the voltage…

A: We need to elaborate name and features of five types of generator and explain how the voltage build…

Q: Advanced Physics A series motor, working on 500 V d.c. supply, runs at a speed of 1000 r.p.m when…

A: Given values, Supply voltage, V= 500 V Load current, IL=120 A Resistance of field, Rse=0.04 Ω…

Q: 1. Describe the constructional features and characteristics, of a induction motor that would be used…

A: According to guidelines we need to solve only the first question. According to the question,…

Q: A Long Shunt Compound DC Generator supplies 90-amp at 120-volt. Series field resistance of 0.03-ohm,…

A: In this question We need to determine the efficiency of the generator. We know Efficiency= output…

Q: Q-3) The current drawn by a 120 V dc motor with back e.m.f of 110 V and armature resistance of 0.4…

A: Given- 120 V dc motor, Back emf =110 V, Armature resistance =0.4 ohm, To Find- The current.

Q: A Short Shunt Compound DC Generator supplies 100-amp at 110-volt. Series field resistance of…

Concept explainers

DC Series Motors

A DC motor is a type of electric motor which converts electric energy into mechanical energy. The forces that are produced by the magnetic field are what those common types of motors rely upon. Either electro-mechanical or electronic, all types of DC motors have some internal mechanism to change the current direction in part of the DC motors. As the DC motors could be powered from existing DC lighting power distribution systems, these motors were the first form of motors widely used. By changing the strength of the current in its field winding or by using a variable supply voltage, the speed of the DC motors can be controlled over a wide range.

Question

2-1
Discuss different types of DC motor, Draw equivalent circuit and Torque
speed characteristics for all.
2-2
A 20-hp 240-V 76-A 900 r/min series motor has a field winding of 33
turns per pole. Its armature resistance is 0.09 ohm, and its field resistance is 0.06
Ohm. The magnetization curve expressed in terms of magnetomotive force
versus EA at 900 r/min is given by the following table: Armature reaction is
negligible in this machine. Rotational loss is 1.5KW.
E, V
95
150
188
212
229
243
F, A turns
500
1000
1500 | 2000
2500
3000
Compute the motor's torque, speed, and output power at 158 % of full-load
armature current. (Neglect rotational losses.)

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Step 8

Trending now

This is a popular solution!

Step by step

Solved in 8 steps with 6 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

A 4-pole series motor has 800 lap connected armature conductors. At a certain load, the flux per pole is60mWb and the total mechanical torque developed is 400 N-m. Calculate the line current taken by themotor and the speed at which it will run with a back emf of 400 V. Total motor resistance is 4 ohm.
Electrical machines
A 200V dc shunt generator can deliver 10 kW at half load with efficiency of83 %. If the armature resistance is 0.05 ohms and shunt field resistance of 50ohms. What will be the efficiency of the generator when running at full load?
Write an Introduction about DC Motors.
Q1 Describe the Characteristics, characteristics, efficiency calculations, their applications Of DC Motors in detail
A 4 pole10V, DC shunt motor operates on a load current 10A, having wave connected armature with 200 conductors. The flux per Pole is 25 m Wb. Resistance of shunt field winding is 1 ohm and resistance of the armature is 0.15 ohm. a) what would be the back emf?
A 250 V DC shunt generator has a constant loss of 1250 W. Find the load current for maximum efficiency. Also find the value of maximum efficiency and output power times maximum efficiency. The armature resistance is 0.10.
5) Flux control, voltage control, and armature control are three methods for ...... of dc motor.
Subject: Electrical Machines
Q2) Determine the back e.m.f at this load of series motor has a series field resistance of (0.301 2) and an armature resistance of (0.1892).It is connected to a (220 V) supply and at a particular load runs at (1500 r.p.m) when drawing (16.2 A) from the supply, if that this cases a three times of flux. Calculate the speed of motor when the load is changed such that the current is increased to (32.23 A).
A 500 V DC shunt motor takes 4 A at no-load. The shunt field winding resistance and the armature winding resistance are 250 and 0.2 respectively. Find the efficiency when the motor draws a current of 10 A at full load.