Difference Between Generator and Motor

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In this article, we will learn about the Difference Between Generator and Motor. The generator and motor are such devices whose function is just the opposite of each other. One is used to generate electricity and other uses electricity. In this, you will learn about the generator and motor and their differences in brief.

Difference Between Generator and Motor

differnece between generator and motor

Generator

  • It is a device which converts mechanical energy into electrical energy.
  • It works on the principle of Faraday’s law of electromagnetic induction. It states that when a conductor is placed in a varying magnetic field, an emf is induced in the conductor. The induced emf induces current in the conductor if its circuit is closed.
  • The main parts of the generator are yoke, armature, winding, carbon brush, rotor, stator, electromagnet or magnet.
  • It generates electricity from mechanical power.
  • The shaft of the generator is attached to the rotor and is driven by mechanical force.
  • The electric current is produced in the armature winding. The armature can be on the rotor or stator.
  • In Motor, the current is supplied to the armature winding. The armature can be on the rotor or stator.

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Motor

  • It is a device which converts electrical energy into mechanical energy.
  • It works on the principle that when a current-carrying conductor is placed in a magnetic field, it experiences mechanical force.
  • The main parts of Motor are rotor, stator, field magnet, carbon brushes, slip rings, armature.
  • It generates mechanical power with the help of electricity.
  • The motor shaft is driven by the mechanical force produced between the armature and field.
  • It uses Fleming’s left hand rule to determine the direction of force produced between the armature and field.

I think this Review of difference among generator and motor has cleared most of your doubts to distinguish them. Now you can easily identify their functions and application easily.

Difference Between Generator and Motor in Tabular Form

S.no
Generator
Motor
1.
It is a device which converts mechanical energy into electrical
energy.
It is a device which converts electrical energy into mechanical
energy.
2.
It generates electricity.
It generates mechanical power.
3.
It uses Fleming’s right-hand rule to determine the direction of
induced current.
It uses Fleming’s left-hand rule to determine the direction of force
produced.
4.
The shaft of the generator is attached to the rotor and is driven by
the mechanical power.
The motor shaft is driven by the mechanical force produced between
the armature and field.
5.
In Generator, the current is produced in the armature winding. The
armature can be on the rotor or stator.
In motor, the current is supplied to the armature winding. And the
armature can be on the rotor or stator.
6.
The maintenance of the generator
is more as compared to the motor.
The maintenance of the motor is less as compared with the generator.
7.
The generators are used in power station, homes, and in many
industries to generate electricity.
Motor is used in cars, bikes, home, etc. where mechanical energy is
required to do any work.

Summary of Comparison Between Generator and Motor

  • Generator is a device that converts mechanical energy into electrical energy whereas the motor is a device that converts electrical energy into mechanical energy.
  • A generator is used to generate electricity. On the other hand, motor is used to generate mechanical power.
  • In a generator, the direction of the current induced is determined by the use of Fleming’s right hand rule. In a motor the direction of force produced is determined by the use of Fleming’s left hand rule.
  • In generators, the current is produced in the armature winding whereas in the motor the current is utilized in the armature winding to produce mechanical force. The armature can be on the rotor or stator.
  • In generator the shaft is driven by mechanical power. In the motor, the shaft is driven by the mechanical force produced by the electricity.
  • The maintenance of the generator is more as compared with the motor.
This is all about the difference between generator and motor. If you find anything missing or incorrect than comment us. If you like this article then like and share it.

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Pankaj Mishra

Pankaj Mishra is a blogger by passion and Mechanical Engineer by profession. He has completed his B.Tech degree in mechanical engineering in the year 2015. He loves to share his knowledge and help others.

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