You asked: Which is the application of universal motor?

There are various applications where universal motors are used, such as power drills, wash machines, blowers and kitchen appliances, etc. And they are also used for numerous different purposes where speed control and high qualities of speed are necessary.

Which is the application of universal motor Mcq?

Universal Motors MCQ Question 6 Detailed Solution

Single-phase motor Application
Shaded pole motor Hairdryers, Toys, Record players, Small fans, Electric clocks
Universal motor Electric shaver, Sewing machines, Kitchen applications, Table fans, Domestic Mixers, Vacuum cleaner

Which motor is known as universal?

The motors which can be used with a single-phase AC source, as well as a DC source of supply and voltages, are called Universal Motor. It is also known as Single Phase Series Motor. On reversing the polarity of the line terminals of a DC Series Motor, the motor will continue to run in the same direction.

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What is the advantage of universal motor?

One main advantage of the Universal motor is its high power density. It’s not uncommon for a Universal Motor to have over twice the continuous output power as an equally-sized AC motor. Additionally, its low cost, portability, and ability to run without a control make it worth looking at.

What is universal motor explain its working principle?

When fed with an AC supply

The direction of the magnetic field and the direction of armature current reverse so that the direction of force experienced by armature conductors remains the same. Thus, regardless of AC or DC supply, universal motors work on the same principle that DC series motors work on.

Which is the main application of synchronous motor?

Synchronous motors are normally used in applications in which a constant and precise speed is required. Typical applications of these low power motors are positioning machines. They are also used in robot actuators. Synchronous motors are also used in ball mills, watches, record players, and turntables.

What is the application of shaded pole motor?

The various applications of the shaded poles motor are as follows: They are suitable for small devices like relays and fans because of their low cost and easy starting. Used in exhaust fans, hairdryers, and also table fans. Used in air conditioning and refrigeration equipment and cooling fans.

What are the applications of the small Universal commutator motors?

Universal commutator motors are used in applications where high power, low weight and small dimensions are required such as various small kitchen appliances and power tools.

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What are the applications of stepper motor?

Applications of Stepper Motors

  • 3D printing equipment.
  • Textile machines.
  • Printing presses.
  • Gaming machines.
  • Medical imaging machinery.
  • Small robotics.
  • CNC milling machines.
  • Welding equipment.

Why is a universal motor used in a mixer?

Abstract: The universal motor works on both AC and DC supply and it is used in home appliances like fans, mixer grinder, refrigerator etc. It has been characterized to have higher power output with the smaller size and starting torque to be high at a lower speed and can carry high loads.

What are the advantages & disadvantages of Universal Motors?

Universal motors have relatively higher noise associated with them as compared to other AC and DC motors such as induction motors. The sound of noise also increases with the increase in the speed of the universal motor. Slight unbalancing can cause severe vibrations possibly damaging motor or surroundings.

Where are brushless DC motors used?

The most common uses of brushless DC motors in industrial engineering are linear motors, servomotors, actuators for industrial robots, extruder drive motors and feed drives for CNC machine tools.

In which of the following application DC series motor is used?

Explanation: DC series motors are used in those applications where high starting speed is required at its initial phase. Since no load operation speed of DC series motor is very high, it is always operated on some non-zero load.

Why this is called universal motor?

A universal motor is a special type of motor which is designed to run either on DC or single phase AC supply. Universal Motors are so named because they can run both on AC as well as DC. A universal motor has a high starting torque and variable speed characteristics.

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Why universal motor works with DC and AC?

It is because the armature and field windings are connected in series that a universal motor can operate with either DC or AC supply. … To reduce inductance in the armature, the current flowing in each coil of the compensating winding is in a direction opposite to the current in the corresponding armature loop near it.