This document provides an overview of different types of electrical machines:
1. Electrical machines are classified as static machines like transformers or rotating machines like motors and generators.
2. Rotating machines are further divided into DC machines like DC generators and DC motors, and AC machines like asynchronous and synchronous machines.
3. DC generators operate based on Faraday's laws of electromagnetic induction, producing an alternating current that is converted to direct current via a commutator. DC motors use the interaction between a magnetic field and electric current to produce motion.
A few basics about magnetism and Alternating currents.
Students of APJ Abdul Kalam Technological University (KTU) may find this helpful for their second module for the subject EE100 BASICS OF ELECTRICAL ENGINEERING.
The most basic difference is the power source. A.C. motors are powered from alternating current (A.C.) while D.C. motors are powered from direct current (D.C.), such as batteries, D.C. power supplies or an AC-to-DC power converter.
WORKING PRINCIPLE OF DC MOTOR,DC GENERATOR|DAY 12|FLEMING'S LEFT-HAND RULE|BA...Prasant Kumar
#Working principle of dc motor
#Working principle of dc generator
#Fleming's Left hand rule
#Fleming's Right hand rule
#Fleming's rule
#Generator rule
#motor ruleIn this video you will learn
Electrical machine Day 12, Working Principle of DC generator and motor, Fleming’s left hand and right hand rule, Basic Electrical Engineering
WORKING PRINCIPLE OF DC GENERATOR
A generator is a device that convert Mechanical energy into electrical energy using electromagnetic induction.
A DC generator produces direct power based on fundamental principle of Faraday's laws of electromagnetic induction.
According to this laws, Whenever a conductor is moved within a magnetic field in such a way that the conductor cuts across magnetic lines of flux, voltage is generated in the conductor.
FLEMING’S RIGHT HAND RULE (GENERATOR RULE)
It use to determine the direction of the induced emf/current of a conductor moving in a magnetic field.
The POLARITY of the voltage depends on the direction of the magnetic lines of flux and the direction of movement of the conductor.
Fleming right hand rule (FRR) used to determine nature of emf or direction of current because rest two direction of motion of conductor in generator (Input Mechanical energy in generator) and direction of magnetic field (due to stator Field) are known.
A few basics about magnetism and Alternating currents.
Students of APJ Abdul Kalam Technological University (KTU) may find this helpful for their second module for the subject EE100 BASICS OF ELECTRICAL ENGINEERING.
The most basic difference is the power source. A.C. motors are powered from alternating current (A.C.) while D.C. motors are powered from direct current (D.C.), such as batteries, D.C. power supplies or an AC-to-DC power converter.
WORKING PRINCIPLE OF DC MOTOR,DC GENERATOR|DAY 12|FLEMING'S LEFT-HAND RULE|BA...Prasant Kumar
#Working principle of dc motor
#Working principle of dc generator
#Fleming's Left hand rule
#Fleming's Right hand rule
#Fleming's rule
#Generator rule
#motor ruleIn this video you will learn
Electrical machine Day 12, Working Principle of DC generator and motor, Fleming’s left hand and right hand rule, Basic Electrical Engineering
WORKING PRINCIPLE OF DC GENERATOR
A generator is a device that convert Mechanical energy into electrical energy using electromagnetic induction.
A DC generator produces direct power based on fundamental principle of Faraday's laws of electromagnetic induction.
According to this laws, Whenever a conductor is moved within a magnetic field in such a way that the conductor cuts across magnetic lines of flux, voltage is generated in the conductor.
FLEMING’S RIGHT HAND RULE (GENERATOR RULE)
It use to determine the direction of the induced emf/current of a conductor moving in a magnetic field.
The POLARITY of the voltage depends on the direction of the magnetic lines of flux and the direction of movement of the conductor.
Fleming right hand rule (FRR) used to determine nature of emf or direction of current because rest two direction of motion of conductor in generator (Input Mechanical energy in generator) and direction of magnetic field (due to stator Field) are known.
An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of rotation of a shaft.
Dc genset an assurance for quick power delivery!Sophia Lorenn
A DC Genset is a boon to industries and household as it delivers power quickly without blackout. A DC Genset is an electrical machine that converts mechanical energy into direct current electricity. It uses the principle of energetically induced electromotive force.
DC MACHINE-Motoring and generation, Armature circuit equationBhangaleSonal
Motoring and generation
Armature circuit equation for motoring and generation,
Types of field excitations - separately excited, shunt and series.
Open circuit characteristic of separately excited DC generator,
back EMF with armature reaction,
voltage build-up in a shunt generator,
critical field resistance and critical speed.
V-I characteristics and torque-speed characteristics of separately excited shunt and series motors.
Speed control through armature voltage.
Losses, load testing and back-to-back testing of DC machines
This presentation is about the whole pricipal about DC machine. It explain the various important parts of dc machine.It tells about how many types of losses are present in DC machine.
A presentation on Electric Motor and its working principle, components, it's classification, types of AC & DC motor, special types of motors & its application.
3. Classification of electrical machines
Electrical
machines
DC
Machines
AC
Machines
DC
Generator
DC
Motor
Asynchronous
Machine
Synchronous
Machine
Synchronous
Generator
Synchronous
Motor
Induction
Machines
1 phase 3 phase 1 phase 3 phase 1 phase 3 phase
4. DC Machines
Basically Dc machine divided in two parts:-
1. DC Generator
2. DC Motor
There are two types of generators, one is
AC generator and other is DC generator.
Whatever may be the types of generators, it
always converts mechanical power to
electrical power
5. DC Machines
There are two types of motor, one is AC
motor and other is DC motor. It is an electro-
mechanical device that converts electrical
energy to mechanical energy.
Generators is based on the fundamental
principle of Faraday’s laws of
Electromagnetic Induction.
6. DC Generator
Generators is based on the fundamental
principle of Faraday’s laws of
Electromagnetic Induction.
According to these law, when an
conductor moves in a magnetic field it cuts
magnetic lines force, due to which an emf is
induced in the conductor. The magnitude of
this induced emf depends upon the rate of
change of flux (magnetic line force) linkage
with the conductor.
7. DC Generator
Hence the most basic tow essential parts
of a generator are
1. A magnetic field and
2. Conductors which move inside that
magnetic field.
Here N & S pole produce a magnetic flux &
ABCD is a show conductor.
10. DC Generator
The nature of induced EMF in the DC
Generator is always a AC (alternating) nature.
With the help of commutator this induced AC
(alternating) nature emf is converted in to a
DC nature.
11. DC Generator
The direction of induced current in the
conductor in DC generator is determined by
Fleming Right Hand rule.
13. DC Motor
This DC or direct current
motor works on the principal, when a current
carrying conductor is placed in a magnetic
field, it experiences a torque and has a
tendency to move. This is known as motoring
action. If the direction of electric current in
the wire is reversed, the direction of rotation
also reverses.
15. DC Motor
When magnetic field and electric field
interact they produce a mechanical force, and
based on that the working principle of dc
motor established. The direction of rotation
of a this motor is given by Fleming’s left hand
rule,
16. DC Motor
The force which is experienced by DC
machine is determined by:-
F = BIL
where,
B = Flux Density
I = Current flowing in conductor
L = Length of conductor
Construction wise a DC motor is exactly
similar to a DC generator, but electrically it is
just the opposite.