EAST CLEVELAND, OH (February 14, 2011) — U.S. consumers shopping for light bulbs this Valentine’s Day and in the coming months may notice changes on retail store shelves: fewer incandescent bulbs and a wider selection of energy-efficient incandescent halogen bulbs. GE Lighting offers a light bulb that looks like the century-old and beloved incandescent bulb, […]
Power Electronic Tips
German Aerospace Center Develops Fuel Cell-powered Electric Nose Wheel for Commercial Aircraft(5)
Thanks to a fuel cell-powered electric nose wheel, aircraft will be able to save fuel while significantly reducing airport noise. A quiet and emission-free tarmac will be possible. After three years of development at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR), the system is now ready for its first rolling tests […]
Searching for a Diamond in the Muck
Text version Most people scorn algae as pond scum, but Lee Elliott embraces the slime, captures it, filters it, and analyzes it for its potential to grow like weeds and fuel the airplanes and automobiles of tomorrow. Elliott is a 21st century prospector. His Eldorado isn’t gold, but that elusive briny pond or brackish puddle […]
Small Improvements to Make Big Difference
Enlarge image This artist’s rendering shows how the Research Support Facility will look once the ARRA funded expansion project is complete at the end of 2011. Courtesy of RNL Old memo from the boss: Your goal for 2010 — build one of the most energy efficient office buildings in the world on the campus of […]
Colorado School Headed to Science Super Bowl
Enlarge image The Fairview High School Science Bowl team (left to right) Nicolas Le Dru, Karun Kumar Rao, Charles Xu, Tammy Hearty (coach), Chris Guthrie and William Conway hold up their trophy and celebrate after winning the 2011 Regional DOE Science Bowl held at Dakota Ridge High School. Credit: Dennis Schroeder Enlarge image Sara Volz, […]
Trends, Threats and Opportunities at Darnell’s 2011 CTO Power Summit
Expanding on last year’s successful inaugural event, Darnell’s 2011 CTO Power Summit, February 28 & March 1 near San Diego, California, will provide delegates with a broader program and more opportunities to obtain advanced information on future trends, threats and opportunities. Two Super Sessions will be held, one focusing on “Wireless Energy Transfer” and the […]
Recurrent Energy Enters Solar Module Supply Agreement with Celestica
Recurrent Energy announced that it has entered into an agreement with Celestica for the supply of solar modules for projects awarded within the renewable energy Feed-in Tariff (FIT) program of the Ontario Power Authority (OPA). Celestica will manufacture solar modules for Recurrent Energy under a multi-year supply agreement at its Toronto operation. Full production is […]
Vertical Entry, Lithium Coin Cell Holders Suit Portable Medical Apps
Keystone Electronics Corp. has introduced a line of Vertical Entry, Lithium Coin Cell Holders for use with portable medical and other electronic devices. Designed to retain cells securely under shock and vibration, these holders feature flame retardant housings UL rated 94V-0 and dual-spring contacts with low contact resistant. These contacts are made of spring steel […]
Railway DC-DC Converter Series Accepts Wide Input Voltage Range
Martek Power introduced a DC/DC converter designed to satisfy the majority of rolling stock DC power applications with a single unit. As a result, users are able to specify the same power supply no matter what the input voltage demanded by the application, according to the company. The CCR050 Series DC/DC converters accept a very […]
Hall effect, 1000-A Current Sensor Supports Renewable Energy Apps
Premo has introduced a close loop 1000-A Hall effect sensor, the HCT-1000LF. Features and characteristics include accuracy to ± 0.1 percent, linearity of ± 0.1 percent, 1000-A nominal current; 2000-A measuring current, a transformation ratio of 1:5000, supply voltage: ± 15-24 VDC, isolation: > 6000 VAC and DC bandwidth of 150kHz. The current sensor is […]