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Dc Motor Principle And Working Pdf

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What is a DC Machine : Construction & Its Working

The DC motor is the device which converts the direct current into the mechanical work. The experienced force is called the Lorentz force. The Flemming left-hand rule gives the direction of the force. The index finger represents the direction of the current, and the thumb shows the direction of forces acting on the conductor. Before understanding the working of DC motor, first, we have to know about its construction. The armature and stator are the two main parts of the DC motor.

What is a DC Machine : Construction & Its Working

ResearchGate has not been able to resolve any citations for this publication. Speed reduction by means of a gear box results in increased torque. Likewise, if we control a DC motor by means of servomechanism, it would be referred as DC servo motor. The most common types rely on the forces produced by magnetic fields. These types of motors also have two different speed specifications: normal speed and the stall-speed torque specifications. The rotor of the dc machine consists of a commutator, brushes, compensating winding, and a shaft.

The conversion of this mechanism is known as the commutator, thus these machines are also named as commutating machines. DC machine is most frequently used for a motor. The main benefits of this machine include torque regulation as well as easy speed. The applications of the DC machine is limited to trains, mills, and mines. For example, underground subway cars, as well as trolleys, may utilize DC motors.

Pneumatic motor : It converts pneumatic energy into mechanical energy. Hydraulic motor : It converts kinetic energy of fluid into mechanical energy. Electric motor: It converts electrical energy into mechanical energy. Machine that converts electrical energy into mechanical energy is called an electric motor. Motors : Motor that converts alternating current energy into mechanical energy is called A. Motors : Motor that converts direct current energy into mechanical energy is called D.


Operating Principle. DC motors operate on Faraday's principle of electromagnetism which states that a current-carrying conductor experiences a.


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Typically, these motors are deployed in equipment that requires some form of rotary or motion-producing control. Direct current motors are essential components in many electrical engineering projects. DC motors fall into different categories, depending on their construction. The most common types include brushed or brushless, permanent magnet, series, and parallel. These brushes are usually kept in close proximity to the commutator.

working principle of dc motor

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5 Comments

AidГ© T. 29.03.2021 at 02:15

Theoretically, the same DC machine can be used as a motor or generator.

Vanessa K. 30.03.2021 at 18:58

Mechanical energy What is an electric motor An electric motor is a device converting electrical energy into mechanical energy usually a torque.

Grosvenor G. 31.03.2021 at 13:14

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Adam H. 02.04.2021 at 17:57

Pneumatic motor : It converts pneumatic energy into mechanical energy.

Julietta1111 03.04.2021 at 13:56

A machine that converts dc power into mechanical energy is known as dc motor. Its operation is based on the principle that when a.

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