What is the function of DC motor?

A DC motor is any of a class of rotary electrical motors that converts direct current electrical energy into mechanical energy. The most common types rely on the forces produced by magnetic fields.

What is a function of a motor?

An electric motor is a device used to convert electricity into mechanical energy—opposite to an electric generator. This force creates a torque on a loop of wire present in the magnetic field, which causes the motor to spin and perform useful work.

What are the functions of DC motor starter?

Starters are used to protect DC motors from damage that can be caused by very high current and torque during startup. They do this by providing external resistance to the motor, which is connected in series to the motor’s armature winding and restricts the current to an acceptable level.

What is a DC motor explain the principle and working of a DC motor?

The DC motor is the motor which converts the direct current into the mechanical work. It works on the principle of Lorentz Law, which states that “the current carrying conductor placed in a magnetic and electric field experience a force”.

What is the function of AC and DC motor?

AC motors can be defined as an electric motor which is driven by an alternating current (AC). DC motors is also a rotatory electric motor that converts Direct current (DC energy) into mechanical energy. AC motors are mainly of two types which are synchronous AC motors and induction motors.

What are the function of each part of motor?

Armature Core: Holds the armature coil in place and provides mechanical support. Armature Coil: It helps the motor to run. Brushes: It is a device that conducts current between stationary wires and moving parts, most commonly the rotating shaft.

What is the function of a DC generator?

A DC generator is an electrical machine whose main function is to convert mechanical energy into electricity. When conductor slashes magnetic flux, an emf will be generated based on the electromagnetic induction principle of Faraday’s Laws.

How does a DC motor work as a generator?

DC generators Just as a simple DC electric motor uses direct current (DC) electricity to produce continual, rotary motion, so a simple DC generator produces a steady supply of direct current electricity when it spins around. Like a DC motor, a DC generator uses a commutator.

What is difference between DC motor and AC motor?

The most obvious difference is the type of current each motor turns into energy, alternating current in the case of AC motors, and direct current in the case of DC motors. AC motors are known for their increased power output and efficiency, while DC motors are prized for their speed control and output range.

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 functions of a DC motor?

A DC motor’s speed can be controlled over a wide range, using either a variable supply voltage or by changing the strength of current in its field windings. Small DC motors are used in tools, toys, and appliances. The universal motor can operate on direct current but is a lightweight brushed motor used for portable power tools and appliances.

What is a series DC motor connection?

Series connection. A series DC motor connects the armature and field windings in series with a common D.C. power source. The motor speed varies as a non-linear function of load torque and armature current; current is common to both the stator and rotor yielding current squared (I^2) behavior.

What is the function of the yoke in a DC motor?

Its main function is to form a protective covering over the inner sophisticated parts of the motor and provide support to the armature.It is outer cover of dc motor also called as frame. Yoke also ensures protection to the rotating and other part of the motor from moisture, dust and other weathering affects.

How does a brushed DC motor generate torque?

A brushed DC electric motor generating torque from DC power supply by using an internal mechanical commutation. Stationary permanent magnets form the stator field. Torque is produced by the principle that any current-carrying conductor placed within an external magnetic field experiences a force, known as Lorentz force.