"To reduce energy costs effectively, industrial facilities should begin by evaluating their No. 1 energy consuming culprit: motors. Many studies have shown that motors in industrial facilities consume by far the largest percentage of energy of any electrical device. According to the U.S. Department of Energy, motor-driven equipment accounts for 64% of the electricity consumed in the U.S. industrial sector—consuming approximately 290 billion kilowatt hours (kWh) per year. The most common type of industrial motor in use today is the three-phase (polyphase) induction motor, over 90% of which are squirrel cage induction motors."
The act was created "to move the United States toward greater energy independence and security, to increase the production of clean renewable fuels, to protect consumers, to increase the efficiency of products, buildings, and vehicles, to promote research on and deploy greenhouse gas capture and storage options, and to improve the energy performance of the Federal Government, and for other purposes.”
Induction Motors (Appliances/AC/Heating/Industrial/Commercial):
Fixed frame size:
Motors are sold in fixed frame sizes. Examples of typical small motor frame sizes are ¼ hp, 1/3 hp, ½ hp. If a ½ hp motor is driving a ¼ hp load, the excess power supplied to the motor can consume excess energy. Motor power can be controlled to only deliver the necessary energy to drive the load.
Motor torque can be adjusted to only provide the necessary torque to drive the load. This can be done by a simple feedback which measures the torque load and adjusts the motor voltage to only deliver the required torque.
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"Saving Power Through Energy Efficiency is a World Priority"