Generator

Generator is a device that converts mechanical energy to electrical energy for use in an external circuit. The source of mechanical energy may vary widely from a hand crank to an internal combustion engine. Generators provide nearly all of the power for electric power grids.

Types of Generators

There are two main types of generator: Alternating Current (AC) generators, known as alternators, and Direct Current (DC) generators, often called dynamos.

Alternating Current Generators

Alternating current generators, typically referred to as AC generators, produce an alternating current, which periodically reverses direction. AC generators are widely used in power stations and are driven by steam turbines.

Direct Current Generators

Direct current generators, or DC generators, produce a constant voltage or current. DC generators are generally used in low-power applications where the power demand is low.

Applications of Generators

Generators have a wide range of applications. They are used in power plants to generate electricity for the grid, in homes and businesses for emergency backup power, and in remote locations where grid power is not available.

See Also

• Electric generator
• Engine-generator
• Motor-generator
• MHD generator
• Wind generator
• Diesel generator
• Gasoline generator

References

Generator Resources
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