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Variable Speed Drives

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A variable speed drive is a drive that controls the speed and rotational force of a motor and is capable of changing the speed of the drive steplessly from zero to full. Variable speed drives are used primarily for process control, but increasingly for energy conservation benefits as well. The term variable speed drive is sometimes used interchangeably with the term adjustable speed drive, though at times they also have slightly different meanings (see below).

Variable Speed Drive Manufacturers