Wednesday, July 25, 2018

Difference Between Generator and Motor

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

Difference 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 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 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.

Motor

  • It is a device which converts electrical energy into mechanical energy.
  • It works on the principle that when a current carrying conductor is place in a magnetic field, it experiences mechanical force.
  • 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 produce between the armature and field.

Difference Between Generator and Motor in Tabular Form


Summary of Comparison Between Generator and Motor

  • Generator is a device which converts mechanical energy into
    electrical energy where as motor is a device which converts electrical energy
    into mechanical energy.            
  • Generator is used to generate electricity. On the other hand
    motor is used to generate mechanical power.
  • In generator the direction of current induced is determine
    by the use of Fleming’s right hand rule. In 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 where as in the motor the current is utilized in the armature winding to produce mechanical force. The armature can be on rotor or stator.
  • In generator the shaft is driven by the mechanical power. In
    the motor the shaft is driven by mechanical force produced by the electricity.
  • The maintenance of the generator is more as compared with the
    motor.
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