Improved Productivity Using Energy-Efficient Motors.
- Research shows that electric motors consume as much as 70% of all the electric energy used in industry. It is no wonder why the Federal Government in conjunction with the EPA has become involved setting standard for how efficient the motors you and your company purchase.The new energy-efficient electric motors are designed to be 2 to 8 percent more efficient than those of the 19th century. The increase in efficiency is in the motor design incorporating best grade metal products and super-thin stator laminations allowing for better magnetic-field
densities which in turn lowers the energy consumption.
Aha, less electric power consumption and consumer cost savingsPresident Bush signed the Energy Independence and Security Act of 2007 (EISA) into law (Public Law 140-110) on December 19, 2007. The National Electrical Manufacturers Association (NEMA) actively participated in crafting major provisions on EISA. A critical provision that NEMA focused on was increased motor efficiency levels. The Motor Generator section of NEMA joined forces with the American Council for an Energy-Efficient Economy to draft and recommend new motor efficiency regulations covering both general purpose and some categories of definite and special-purpose electric motors.
The NEMA Premium program was established for four main reasons:
1.Electric motors have a significant impact on the total energy operating cost for industrial, institutional and commercial buildings.
2.Electric motors vary in terms of energy efficiency. The NEMA Premium program will assist purchasers identify higher efficient motors that will save them money and improve system reliability.
3.NEMA Premium labeled electric motors will assist users to optimize motor systems efficiency in light of power supply and utility deregulation issues.
4.NEMA Premium motors and optimized systems will reduce electrical consumption thereby reducing pollution associated with electrical power generation.
The U.S. Department of Energy estimated the NEMA premium-efficient motor program will save 5.8 terawatts of electricity, preventing the release of nearly 80 million metric tons of pollution into the atmosphere over the next ten years, which is about the same as keeping 16 million cars off the road.
It is estimated approximately 30 million new electric motors are sold each year for industrial use. There are 300 million motors in use throughout the world. These motors make up about 40% of the global electrical use, and by utilizing energy-efficient motors the efficiency can be improved between 20 to 30% on average.
While every operation varies in its use of electrical energy balancing the initial cost for a more efficient motor, the payback in energy savings is real and important. We encourage you to watch the following video and review the associated web page for more information.
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