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[[File:Ac drive.gif|right|thumb|AC Drives]] | |||
The word "drive" is used loosely in the industry. It seems that people involved primarily in the world of gear boxes and pulleys refer to any collection of mechanical and electro-mechanical components, which when connected together will move a load, as a "drive". When speaking to these people, an '''AC drive''' may be considered by them as the variable frequency inverter and motor combination. | The word "drive" is used loosely in the industry. It seems that people involved primarily in the world of gear boxes and pulleys refer to any collection of mechanical and electro-mechanical components, which when connected together will move a load, as a "drive". When speaking to these people, an '''AC drive''' may be considered by them as the variable frequency inverter and motor combination. | ||
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A doubly fed slip recovery system feeds rectified slip power to a smoothing reactor to supply power to the AC supply network via an inverter, the speed of the motor being controlled by adjusting the DC current. | A doubly fed slip recovery system feeds rectified slip power to a smoothing reactor to supply power to the AC supply network via an inverter, the speed of the motor being controlled by adjusting the DC current. | ||
==Sources== | |||
[http://en.wikipedia.org/wiki/Variable-frequency_drive Wikipedia Variable-frequency_drive] |