Power
How to treat heat like light
January 11, 2013 12:24 pm | by Eurekalert! | News | CommentsAn MIT researcher has developed a technique that provides a new way of manipulating heat, allowing it to be controlled much as light waves can be manipulated by lenses and mirrors. The approach relies on engineered materials consisting of nanostructured semiconductor alloy crystals. Heat is a vibration of matter —
Gadget Watch: Smart watch lets you know your iPhone is getting a call, no need for charging
January 11, 2013 12:14 pm | by PETER SVENSSON AP Technology Writer | News | Comments"Smart" watches that talk to cellphones have been around for some time, but they've been hampered by their high battery drain - usually needing recharging every few days. At this week's International CES electronics trade show in Las Vegas, a startup launched a smart watch, the Cookoo, that runs for a year on a standard button cell.
HGMM simplifies AC-DC power supply designs
January 11, 2013 11:47 am | Gaia Converters | Product Releases | CommentsNeed an Avionic AC-DC power supply? Look no further, Gaia Converter the High Rel Power modules specialist, has extended its HGMM AC-DC Front-end module offering with the 150W ½ brick. For all power needs from 35 to 350W or more, Gaia Converter’s state of the art 35W, 150W & 350W PFC modules comply with with the latests standards DO-160E, ABD100, AMD-24, or MIL-STD-704F.
Lithium coin cell battery holders designed for the “off board” mounting
January 10, 2013 4:49 pm | Memory Protection Devices, Inc. | Product Releases | CommentsNow designers have the flexibility to locate lithium coin cell batteries anywhere there is physical room. No soldering tools, chemicals, reflow/wave processing, circuit board required. The two power terminals feature an opening to accept wire leads and double as male connectors mating with common quick connect terminals.
AC-DC power supplies designed for LED lighting applications
January 9, 2013 9:25 am | Product Releases | CommentsPower Sources Unlimited, Inc. announces the ruggedly compact XL375LED Series of 375 watt AC-DC switching power supplies that are designed specifically for today's LED lighting applications. The XL375LED models offer single outputs of 12, 24, 28, 36, 40, 48 or 56VDC, along with a 12V/1A auxiliary output and a 5V/1A standby output.
High-voltage Battery Simulator and Test Systems Critical for Hybrid Vehicle Development
January 8, 2013 3:03 pm | by Randall Beattie, SAKOR | Articles | CommentsHigh voltage battery simulator and test systems are essential for conducting testing of the high voltage DC power systems that are such a critical element of electric (EV) and hybrid/electric (HEV) vehicles. To accurately test a high voltage hybrid
Concentrated solar power with thermal energy storage can help utilities' bottom line, study shows
January 8, 2013 2:07 pm | by Eurekalert! | News | CommentsThe storage capacity of concentrating solar power (CSP) can add significant value to a utility company's optimal mix of energy sources, a new report by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) suggests.
Capacitor features low resistance, stable temperature characteristics
January 8, 2013 1:57 pm | Murata Power Solutions Inc. | Product Releases | CommentsMurata Americas introduced its DMF series, a high peak current electrical double-layer capacitor (EDLC). The newest EDLC offering from Murata also features low resistance (40mΩ to 60mΩ) and stable temperature characteristics, enabling it to be charged and discharged frequently over the operating range of -30°C to +70°C
New path to more efficient organic solar cells uncovered at Berkeley Lab's advanced light source
January 8, 2013 8:53 am | by Eurekalert! | News | CommentsWhy are efficient and affordable solar cells so highly coveted? Volume. The amount of solar energy lighting up Earth's land mass every year is nearly 3,000 times the total amount of annual human energy use. But to compete with energy from fossil fuels, photovoltaic devices must convert sunlight to electricity
Pecan Street demonstrates the potential of smart grid technology
January 7, 2013 11:33 am | by Melissa Barnes, Associate Editor, PD&D | Articles | CommentsWhen I first learned of Pecan Street, Inc. and the Smart Grid Demonstration Project, I knew little of the consortium’s mission. I had heard of smart grids before, but I was curious to know more about what the Pecan Street’s project was and how it was significant to the advancement of “green” technology.
Network framework allows for integration of variants into single overall architechture
January 7, 2013 10:35 am | Product Releases | CommentsGreenPeak Technologies announces the GP690, adding ZigBee PRO to its product portfolio and offering full support for its Open Smart Home Framework, integrating all three ZigBee networking variants Green Power, RF4CE and PRO into a single overall architecture defining the “second wireless network for the home”.
Superconductors for efficient wind power plants
January 7, 2013 9:02 am | by Eurekalert! | News | CommentsWind power will make a major contribution to the energy turnaround. Efficient power generation by means of offshore power plants requires powerful, reliable generators that do not cause disproportionately high logistic efforts and do not require complex foundations
Biofuels cause pollution, not as green as thought - study
January 7, 2013 8:59 am | by Environment Correspondent Alister Doyle | News | CommentsGreen schemes to fight climate change by producing more bio-fuels could actually worsen a little-known type of air pollution and cause almost 1,400 premature deaths a year in Europe by 2020, a study showed on Sunday. The report said trees grown to produce wood fuel - seen as a cleaner
Four pillars of power management to consider when selecting your next PDU
January 4, 2013 1:43 pm | by Dave Proli, Director of Engineering, Marway Power Solutions | Marway Power Solutions | Articles | CommentsAs consumer, commercial and industrial electronic systems become more advanced; they require more precise and reliable power sources to function at optimum levels. System integrators and designers are turning to more sophisticated power distribution units (PDUs) with customized specifications to better tackle power hurdles.
DC/DC step-down converter increases amounts of harvest energy
January 3, 2013 11:30 am | Texas Instruments | Product Releases | CommentsAnswering the question, “How low can you go with power?” Texas Instruments Incorporated introduced the industry’s lowest power DC/DC step-down converter, which increases the amount of harvested energy an end application can use as much as 70 percent over alternative devices.
AC/DC power supply combines high power density and efficiency
December 28, 2012 11:06 am | Product Releases | CommentsPower Sources Unlimited, Inc. announced a new 360-W, high-efficiency CFM361S Series of AC/DC power supplies. These units are suitable for telecom, ITE and industrial equipment applications. The CFM361S Series consists of single 12-V, 24-V, and 48-V output models with
Metal strip resistor combines high 2-W power with resistance down to 0.001 Ohm
December 21, 2012 2:20 pm | Product Releases | CommentsVishay Intertechnology, Inc. announced a new SMT Power Metal Strip resistor in the 2010 case size that combines a high 2 W power rating with low resistance values down to 0.001 Ω and stable resistance tolerances to 0.5 percent. Its construction incorporates a
Top 10 must-see posts of 2012
December 19, 2012 3:00 pm | by Jason Lomberg, Technical Editor | Articles | CommentsHere’s a rundown of the most read, most popular, most awesome articles on the web from 2012. Take a look at what you missed the first time around or check up on an old favorite to see the conversation in the comments. Keep checking out the Lead at www.ecnmag.com and follow us on Twitter @ecnonline for our most up-to-date articles.
Programmable dual range power supplies provide power up to 210 W
December 17, 2012 10:53 am | B&K Precision Corporation | Product Releases | CommentsB&K Precision today announced its new 9170/9180 series of programmable dual range power supplies. These nine models provide clean and precise power up to 210 W in various configurations of voltage as high as 600 V and current as high as 20 A. Each model offers two ranges of voltage and current output along
AP-GfK Poll: Science doubters say world is warming
December 17, 2012 9:37 am | by SETH BORENSTEIN AP Science Writer | News | CommentsA growing majority of Americans think global warming is occurring, that it will become a serious problem and that the U.S. government should do something about it, a new Associated Press-GfK poll finds. Even most people who say they don't trust scientists on the environment say temperatures are rising.
Rice cultivates green batteries from plant
December 12, 2012 8:48 am | by Eurekalert! | News | CommentsHere's a reason to be glad about madder: The climbing plant has the potential to make a greener rechargeable battery. Scientists at Rice University and the City College of New York have discovered that the madder plant, aka Rubia tinctorum, is a good source of purpurin, an organic dye
Disintegration provides the energy-efficient answer for today’s feature-packed handsets
December 11, 2012 1:09 pm | by Charles Limonard, Dialog Semiconductor | Articles | CommentsThe path towards higher silicon integration seems inexorable. Already, the suppliers of baseband and applications processors into the mobile-phone and tablet markets are looking at the move to 14nm and 16nm finFET-based processes as they seek further cost savings and performance improvements.
Renewables and storage could power grid 99.9 percent of the time
December 11, 2012 8:44 am | by Eurekalert! | News | CommentsRenewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware Technical Community College.
Energy management ICs uniquely suited to support deployments of 60W
December 10, 2012 2:57 pm | Akros Silicon | Product Releases | CommentsAkros Silicon Inc., announces the immediate availability of the AS1860, the newest member of the company’s GreenEdge™ family of system-on-a-chip (SoC) energy management ICs. The AS1860, equipped with Akros’ proprietary GreenEdge digital isolation technology,
AC to DC power supply offers 200 watts of output power
December 10, 2012 2:41 pm | SL Power Electronics Corporation | Product Releases | CommentsSL Power Electronics, introduced the CINT1200 product family with 200 watts of output power and eight different models ranging from 12 to 48V. This new single output embedded supply accepts wide input range of 90 to 264Vac and with over 90 percent efficiency plus
