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adjustable speed drive

TECO-Westinghouse FM50 adjustable speed drive

An electronic device that controls the rotational speed of motor-driven equipment such as fans, pumps, and compressors. By ensuring that the motor's speed is properly matched to the load placed on the motor, an adjustable speed drive helps save energy. Speed control is achieved by adjusting the frequency of the voltage applied to the motor.

Terms used to describe this category include polyphase motors, motor oversizing, and motor rewinding.

Related category

• CONTROL DEVICES

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