Commutator

usgb/ˈkɑːmjuteɪtər/
noun

A device in an electric machine that reverses the direction of electric current periodically.

The motor has a faulty commutator, and it must be replaced.
Visual representation of "commutator" - A device in an electric machine that reverses the direction of electric current periodically.

Often appears as...

  • faulty commutator
  • replace commutator

Usage tips

Technical

Technical

Definition 1 of 2
Visual representation of "commutator"
LampPro Tip 1/3

Electrical Reversal

Refers to changing current direction in motors or generators to maintain rotation.

Illustration for Electrical Reversal
When the commutator wears out, the motor will begin to malfunction.
LampPro Tip 2/3

Machine Maintenance

Mentioning a commutator often implies the need for electrical maintenance or repair work.

Illustration for Machine Maintenance
He spent the afternoon repairing the commutator to get the generator running.
LampPro Tip 3/3

Physical Component

In engineering context, 'commutator' is a tangible part of a machine's hardware.

Illustration for Physical Component
We had to order a new commutator for the old electric train set.
Visual representation of the word "Commutator"

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