Which motor is not suitable for use as a DC machine?

Which motor is NOT suitable for use as a DC machine? Explanation : The squirrel cage motor is the only one without any connection to the armature.

What machines use DC motors?

The various applications of DC shunt motor are in Lathe Machines, Centrifugal Pumps, Fans, Blowers, Conveyors, Lifts, Weaving Machine, Spinning machines, etc.

What are the 4 types of DC motor?

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.

What can DC motors be used for?

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. Larger DC motors are currently used in propulsion of electric vehicles, elevator and hoists, and in drives for steel rolling mills.

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What type of motor is a DC motor?

There are three main types of DC motors: separately excited, self excited, or permanent magnet. In the separately excited and self excited, an electromagnet is used in the stator structure. With the permanent magnet type, a powerful magnet generates the magnetic field.

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.

Where is DC generator used?

Applications of DC Generators

They are used in DC motors where speed control is necessary. They are used as portable generators where low power supply is required. They are used in motorcycles as dynamos, in toys such as remote control cars and in appliances such as electric shavers.

Which type of DC motor is suitable for shearing machine?

DC series motor is best suited for DC traction, cranes as it provides high starting torque and easy speed control which is primary requirement of DC traction.


Motor Application
DC compounded motor Presses, Shears, Elevators, Rolling Mills
Stepper motor 3D printing equipment, Small robotics, CNC milling machines

What is the most common type of DC motor?

Mainly there are two types of DC Motors. One is Separately Excited DC Motor and other is Self-excited DC Motor.

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.

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Which DC motor is preferred for machine tools?

Detailed Solution. DC shunt motor is almost constant speed motor and its torque varies linearly as the current.

What is your DC motor?

What is a DC Motor? 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.

Why is DC machine needed?

Many applications require a high starting torque. The D.C. motor, by its very nature, has a high torque vs. speed characteristic, enabling it to deal with high resistive torques and absorb sudden rises in load effortlessly; the motor speed adapts to the load.

Do AC motors work DC?

1 Answer. The AC series motor you describe is a universal motor, and will work fine on DC. The speed characteristics will be a little different, since when running on AC there’s a significant reactive drop in the field windings that reduces the available driving emf.

What is DC 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.

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.

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