Glossary of Motor Terms
Revolutions per minute (rpm)
A measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute. It is used as the measure of rotational speed of a mechanical component.
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Term List (R)
- Rare earth magnet
- Reactive power
- Rectification via commutator
- Regenerative brake
- Reluctance motor
- Remanence,Remanent magnetization
- Resolver
- Reversible motor
- Revolutions per minute (rpm)
- Revolutions per second (rps)
- Revolving field (Rotating field)
- Revolving field motor
- Right-hand screw law
- Ring spring
- Riser
- RMS (Root-mean square) value
- Rotor, Stator
- Rotor cross-sectional structures