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Definition of Adjustable speed drives

Adjustable speed drives Definition from Business & Finance Dictionaries & Glossaries
BTS Transportation Expressions
Drives that save energy by ensuring the motor's speed is properly matched to the load placed on the motor. Terms used to describe this category include polyphase motors, motor oversizing, and motor rewinding. (DOE5)
By the Bureau of Transportation Statistics.
Adjustable speed drives Definition from Science & Technology Dictionaries & Glossaries
EIA Energy Glossary
Drives that save energy by ensuring the motor's speed is properly matched to the load placed on the motor. Terms used to describe this category include polyphase motors, motor oversizing, and motor rewinding.
Source: Energy Information Administration, 2006
Adjustable speed drives Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Adjustable speed drive (ASD) or variable-speed drive (VSD) describes equipment used to control the speed of machinery. Many industrial processes such as assembly lines must operate at different speeds for different products. Where process conditions demand adjustment of flow from a pump or fan, varying the speed of the drive may save energy compared with other techniques for flow control.

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