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What is a generator?
A generator is an electrical machine that produces electricity. It must be turned by a prime mover that can be an internal combustion engine (driven, usually, by diesel oi…l or gasoline), or it can be a turbine, driven either by superheated steam or by water falling from a reservoir. (The latter is known as "hydro-electric power generation.") Before today's solid-state voltage inverters were invented, electric motors were often used to drive generators to produce a different type of electrical power (for example, to produce dc power from an ac service or to produce 3-phase ac power from a single-phase ac service). For more information, see the answers to the Related Questions shown below. (MORE)
