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Nights Lit by the Sun
The solar-powered street-lighting system introduced in this videocombines efficient LED components with an intelligent charge controller. Batteries charge during the day, when the controller provides Maximum Power Point Tracking, and power solar panels at night. Both urban and rural applications are envisioned for this off-grid photovoltaic lighting solution.
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Hollow Victory for Concentrator Efficiency
Swapping the conventional flat design for a hollow cylindrical configuration improves the solar radiation absorption efficiency of luminescent solar concentrators, according to University of California (Merced) researchers. The major advantage noted in The Engineeris that self-absorption losses are reduced in the hollow cylinders for a cost-effective design and performance improvement.
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Power for Interplanetary Roving
As a durable energy source is required for interplanetary missions, U.S. Naval Research Laboratory scientists are looking to advanced microbial fuel cells to power a 1 kg autonomous microrover. The high-energy density biological system is believed capable of supporting low-power electronics and supplying battery, research instrumentation, and locomotive power.
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How Hydrates Hold Hydrogen
Computer modeling analyses by U.S. Pacific Northwest National Lab researchers demonstrate that the ice-like scaffold that holds gas hydrates together can store hydrogen at an optimal capacity of 5 wt %. The maximum storage capacity of hydrogen hydrates is about 10 wt %, and can be realized under high pressure and practical storage temperatures.
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Wind Turbine Greasing Made EasySpringer Controls Company, Inc.
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Infrared Heating for Surface CoatingsHeraeus Noblelight, LLC
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The Easy Grease system is an automatic, transportable greasing system specifically designed for the wind turbine industry. The portable lubricating system ensures correct volume of grease as required by component manufacturer. Advantages include; reduced downtime, reduced muscular stress on technicians, grease savings, and reduced contamination risk. Contact Springer Controls at 904-225-0575
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Applications that require rapid heat or high temperatures can process faster, and more reliably using Heraeus Infrared technology. Production of solar cells, batteries, wind turbines, high vacuum, and any process that requires heat for drying, curing, annealing, or reflow are an ideal match for Infrared heatersfrom the experts at Heraeus Noblelight.
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100% Recyclable Hook-up WireAlpha Wire
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How Much Wind Energy is Produced in the U.S. Each Year?WESTEC
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Wind energy produced in the U.S. annually is 16 billion kWh. It is clear that positive advances in manufacturing drive more innovation than any other sector. The most prominent West Coast industries that are driving innovations in renewable energy manufacturing will be at WESTEC. Register for WESTEC today!
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An Energy Converter with Legs
A prototype of a two-legged wave power plant designed in Denmark is shown during wave tank testing. The span between the two axle arms of the Weptos device is widened under calm sea conditions and shortened for rougher seas. The scalable design enables deployment in low energy coastal waters and ensures stable operation in high energy seas.
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Platform Puts Wind Out to Sea
A new utility-scale semi-submersible floating platform technology could open up deeper waters and enhance flexibility for wind turbine siting. Videoshows a prototype being assembled onshore, complete with 2 MW Vestas turbine, before being towed to a test site off the coast of Portugal. Greentechmedia cites reductions in installation cost, environmental impacts, and visibility issues.
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Microbial Help for Fuel from Kelp
It requires no land resources and contains no lignin, making seaweed a promising biofuel crop. A genetically engineered strain of Escherichia colimay simplify alginate fermentation, previously a major obstacle to sugar extraction and conversion. Test results reported in Chemistry Worldindicate the direct conversion of alginate into ethanol.
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A Longer-range Battery
IBM reports progress in its pursuit of a lithium-air battery capable of powering an electric car 500 miles on a single charge. Researchers determined that oxygen reacts with the electrolytic solvent and performed extensive computer simulations to identify alternatives that won't degrade battery performance while recharging. Claims for a promising substitute suggest a working battery prototype should be ready in 2013. For more on this subject, subscribe to GlobalSpec's e-Newsletter, DirectU2 The world of Automotive Technology.
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Battery Cans and ComponentsCly-Del Manufacturing Company
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1000 VDC UL98B Switches for Solar ApplicationsSOCOMEC
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Over 250 high-speed U.S. Baird, Platarg, Waterbury Farrel, Bruderer, Haulick-Roos, and Minster presses are on-line for around the clock production of precision battery parts.
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SIRCO DC disconnects are UL98 and 98B certified with on load characteristics up to 1000 VDC, they are suitable for use in accordance with NEC art. 690 for photovoltaic installations. Available from 100 A to 1200 A and from three to eight poles for dual input configurations to suit all your requirements.
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CV Series Very High Frequency Power for Plasma ProcessingComdel, Inc.
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Medium Voltage Applications for Renewable EnergyOrmazabal
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Comdel CV series power supplies offer stable VHF power at frequencies from 30 to 80 MHz. The CV series offers exceptional ease of operation. RS-232 and analog controls are provided as standard; DeviceNet is optional. Synthesizer-driven, frequency agile configurations are also available on all CV series models. More Info…
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Prefabricated buildings having reduced visual impact and integrated with the surroundings, electrical switchgear for primary and secondary electrical distribution, distribution transformers, etc, make up Ormazabal's offering for the Medium Voltage needs of photovoltaic installations and wind farms.
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