a generator driven by an electric motor, by means of which the voltage, frequency, or phases of an electrical power supply can be changed
motor generator in American English
noun
Electricity
one or more motors mechanically coupled to one or more generators for converting or transforming electric current into mechanical energy
Also called: motor generator set
Word origin
[1885–90]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: foregut, scrum, sensitization, upsweep, zoom
Examples of 'motor generator' in a sentence
motor generator
The only sound was the noise of a motor generator with the floodlights.
Times, Sunday Times (2010)
These are the two parts of the hybrid system (motor generator units), collecting energy from the brakes (kinetic) and exhaust (heat) respectively.