What is DC motor with diagram?

What is DC motor explain?

A direct current (DC) motor is a type of electric machine that converts electrical energy into mechanical energy. DC motors take electrical power through direct current, and convert this energy into mechanical rotation. … The output torque and speed depends upon both the electrical input and the design of the motor.

What is DC motors with example?

1 Introduction. Direct-current motors are extensively used in variable-speed drives and position-control systems where good dynamic response and steady-state performance are required. Examples are in robotic drives, printers, machine tools, process rolling mills, paper and textile industries, and many others.

What is in a DC motor?

A simple DC motor has a stationary set of magnets in the stator and an armature with one or more windings of insulated wire wrapped around a soft iron core that concentrates the magnetic field. The windings usually have multiple turns around the core, and in large motors there can be several parallel current paths.

What is DC motor and types?

Mainly there are two types of DC Motors. One is Separately Excited DC Motor and other is Self-excited DC Motor. The self-excited motors are further classified as Shunt wound or shunt motor, Series wound or series motor and Compound wound or compound motor. The dc motor converts electrical power into mechanical power.

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Why are DC motors used?

DC motors offer highly controllable speed. By changing the armature or field voltage it’s possible to achieve wide speed variation and with this level of controllability, DC motors offer the precision required by a wide range of industry applications.

What is DC motor Class 10?

D.C. motor can be defined as a machine which converts electrical energy to mechanical energy of rotation based on the principle of magnetic effect of current. … The brushes are used to flow the current induced in the armature to the internal circuit. These are the carbon strips which slide against the split ring.

What are the 3 types of DC motors?

There are 3 main types of DC motor that are available:- Series, Shunt and Compound. These terms relate to the type of connection of the field windings with respect to the armature circuit.

What is the principle of DC?

The working of DC motor is based on the principle that when a current carrying conductor is placed in a magnetic field, it experiences a mechanical force. The direction of the mechanical force is given by Fleming’s Left-hand Rule and its magnitude is given by F = BIL Newton.

Is a DC motor a battery?

A DC (Direct Current) Motor is an electric motor that supplies power to machines as it uses electrical energy to perform its main function. … The process begins with an electric current – supplied by a battery or direct source.

How does a DC motor operate?

Electric motors turn electricity into motion by exploiting electromagnetic induction. The motor features a permanent horseshoe magnet (called the stator because it’s fixed in place) and an turning coil of wire called an armature (or rotor, because it rotates). …

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How do DC motors work physics?

Electric motors use the forces produced by magnetic fields to produce a turning motion. If you put a length of wire in a magnetic field and pass a DC current through it (such as from a battery), the wire will move. This is called the motor effect .

What are the specifications of DC motor?

Motor Specifications

  • Standard 130 Type DC motor.
  • Operating Voltage: 4.5V to 9V.
  • Recommended/Rated Voltage: 6V.
  • Current at No load: 70mA (max)
  • No-load Speed: 9000 rpm.
  • Loaded current: 250mA (approx)
  • Rated Load: 10g*cm.
  • Motor Size: 27.5mm x 20mm x 15mm.

What are the 4 types of motors?

There are 4 main types of DC motors:

  • Permanent Magnet DC Motors. The permanent magnet motor uses a permanent magnet to create field flux. …
  • Series DC Motors. In a series DC motor, the field is wound with a few turns of a large wire carrying the full armature current. …
  • Shunt DC Motors. …
  • Compound DC Motors.

How does a DC motor start?

When we have to start the dc connected motor, the lever turns gradually to the right. When the lever touches the point 1, the field winding gets directly connected across the supply.