Advantages and disadvantages of universal motor

The universal motor is one type of electric motor which can operate on either AC or DC power and uses an electromagnet as its stator to create a magnetic field. This motor is commutated series would motors where the stator field coils are connected in series with the rotor winding through the use of a commutator. Here this posts five the information about the advantages and disadvantages of the universal motor to better understand this topic.

Advantages of a universal motor:

  • It is a cheap motor.
  • It can run from AC or DC supplies.
  • It has good torque at low speed.

Disadvantages of a universal motor:

  • Brushes and commutator wear out, create sparking which can cause electromagnetic interference and maybe an ignition source of VOCs.
  • It is not easy to reverse the motor.
  • Speed control is lousy.
  • High maintenance cost and short life commutator caused by the commutator.
  • Produce more noise and vibration than the induction motor.
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