Dc motor prasad 55
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Dc motor prasad 55

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All about the motors in very simple words so easy to understand,,,,

All about the motors in very simple words so easy to understand,,,,

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Dc motor prasad 55 Presentation Transcript

  • 1. ELECTRICAL MACHINES- DC MOTOR BY- PRASAD A. PAWASKAR SPN NO.-0903055 DETE 2 SEMSESTER
  • 2. Take a ride of motor!
    • This presentation consists of the following concepts related to the electrical machine which is used everywhere called ‘DC MOTOR’.
    • What are electrical machines?
    • What’s a Dc Motor?
    • It’s basic parts.
    • Animated working.
    • Different Motors.
    • Compare generator & motor diagrammatically.
    • Summary.
  • 3. Electrical Machines
    • An Electrical machine is a device that converts mechanical energy to electrical energy or vice versa, and changes AC voltage from one level to another level.
    • Electrical machines are divided into three parts:
    • 1.Generator
    • 2. Motor
    • 3. Transformer
  • 4. DC MOTOR
    • In any electric motor, operation is based on simple electromagnetism.
    • A current-carrying conductor generates a magnetic field; when this is then placed in an external magnetic field, it will experience a force proportional to the current in the conductor, and to the strength of the external magnetic field.
  • 5. Dc motor basic parts
    • Every DC motor has six basic parts-axle, rotor , stator, commutator, field magnet(s), and brushes.
    • In most common DC motors , the external magnetic field is produced by high-strength permanent magnets ,
    • Stator-stationary part of the motor
    • rotor -consists of windings
  • 6. Detailing of Parts
    • The two important parts of a Dc motor is the Rotor & Stator.
    • In simple words Rotor is the rotating part of motor & Stator is the stationary part of the motor.
    • The Rotor actually as two sides in middle there is a AXLE, means that it is like a wheel which helps the Rotor to rotate.
    • The Rotor is covered with the windings.
    • These parts are actually placed in another part that’s called the Metal FRAME.
    • The most basic part needed for working of any kind of motor is the FIELD MAGNETS.
  • 7. Basic words related to a DC Motor
    • TORQUE- Any kind of Force on the system(conductor).
    • STARTER -Device that creates a Force internally that tends due an internal combination to cause Rotation of the engine(motor.)
    • LOAD- External force acting on the mechanism.
  • 8. Working of a Simple DC MOTOR Next slide
  • 9. Types of Motors
      • There are various types of motors having the same basic principle:
      • 1. Synchronous Motors
      • 2. Induction Motors
      • 3. Stepper-Motors
      • 4. Universal motors
  • 10. Compare generator & motor MOTOR GENERATOR
  • 11. Summary
    • The following are the important points that should be noted while considering a DC MOTOR:
    • Dc motor is most used electrical machine.
    • Converts electrical to mechanical energy.
    • The mechanical movement produced due to torque.
    • A Dc motor should never be started without load.
    • Starters are essential for starting all motors.
    • Dc motor is simply converse of a Dc Generator.
  • 12.