VFDs reduce electrical energy consumption by adjusting a motor’s speed to match the required load. Many electric motors simply do not need to run at 100-percent capacity all of the time—such as those that power fans and pumps used in heating, ventilation, air conditioning, and process-pumping applications. By outfitting these motors with VFDs, facilities can control the equipment’s output to match the operation’s needs, saving energy when full output is not required.
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