The electric motor can be used in a variety of industrial fans. Blowers, pumps, tools, household appliances, and disk drive. Electric motors can be powered by a DC power supply (DC), such as automotive, battery, or rectifier or from the AC power source (AC), such as from a home power generators or inverters. Small motors, may be found in the electric clock. General Motors, which has a high standard to provide mechanical energy for industrial use. The largest electric motor used for towing boats, and compression hose, it pumped oil storage and pam with up to 100 MW. Electric motors may be classified according to the type of the source of electric power, or by an internal structure or by use or by movement of the output, and more.
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