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Updates from the Department of Energy

The Energy Independence and Security Act (EISA)

EISA and its mandates for efficient induction motors

The Energy Independence and Security Act (EISA) is new legislation that regulates, among several other things, the efficiency of motors that can be legally bought and sold in the U.S. Here is a concentrated compendium of reference material covering how the law affects all engineers that specify or purchase electric motors, as well as those responsible for motor-powered plant operations....

Efficiency Updates

news

"Super-green" airliners powered by ... n

A Boeing design study concludes LNG-powered airliners could be practical in less than 20 years....

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EET Blog

A Waste of Energy

Lee Teschler's pragmatic commentary on developments in energy efficiency and society's use and mis-use of energy sources.

Read Lee's Blog

Product Briefs

High-frequency IGBTs suit automotive power supply applications

International Rectifier (IR) announces a new 600-V automotive grade IGBT platform, COOLiRIGBT for use in a wide range of fast switching applications for electric (EV) and hybrid electric vehicles (HEV) including onboard dc-dc converters, motor drives, and battery chargers....

Digital LED controller features two-color mixing for efficient, high-quality light

Cirrus Logic Inc. announces its second family of digital LED controllers with digital TruDim dimmer compatibility technology designed to accelerate worldwide adoption of LED retrofit bulbs....

Power modules bring efficiency to appliance and industrial applications

International Rectifier (IR) announces a family of highly integrated, ultra compact, patent pending µIPM power modules for high-efficiency appliance and light industrial applications, including compressor drives for refrigeration, pumps for heating and water circulation, air-conditioning fans, dishwashers, and automation systems....

Automotive IC meets motor drive applications

International Rectifier (IR) announces the automotive qualified AUIRS2334S 600V IC for 3-phase inverterized motor drive applications, such as high-voltage compressors (HVAC) and fans....

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Basics of Energy Efficiency

Basics of real power

Even engineers sometimes get confused by energy-related terms such as VAR, Watt-hour, and power factor. Here’s help sorting out the differences....

Field-oriented control for motors

Microprocessor control lets variable-speed PMSMs save energy....

The Switch to Switched Reluctance

A quest for energy efficiency has fostered development of switched reluctance motors that are inherently simple and can supply variable speeds....

More Basics of Energy Efficiency

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SmartHome: Built to Save

The Cleveland Museum of Natural History and The SmartHome Project

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