Reliable Pitching: Ultracapacitors And Wind Turbine Pitch Systems
Ultracapacitors prove to be a high-reliability solution for the severe power pulses needed for wind turbine pitch control.
WHAT AMERICA NEEDS NOW
"We are like tenant farmers chopping down the fence around our house for fuel when we should be using Nature's inexhaustible sources of energy - sun, wind and tide. I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that." - Thomas Alva Edison (1847 - 1931)
Coming In Out Of the Cold: Hybrids Put To The Test
Some of the questions we have for hybrid technology are now dependability in cold weather starting, reliability in highway driving standards, added to these ever so alluring fuel cost savings.
Fresh Outlook On Fresh Air
Solarwall is a solar, fresh air, heating and ventilation system
Learn To Conserve
If you want to have a renewable energy system you need to learn to conserve well in advance of buying the system.
No More Coals To Newcastle!
The concept of using biodiesel may seem a new one, but it is not. Rudolph Diesel's first engine ran on peanut oil and now, a century later, it seems we are finally learning that natural oils are better for our health , our environment and ultimately our economy than fossil alternatives.
Parishioner Donation Sparks Solar Electric System Installation At St. Frances Cabrini Catholic Churc
Starting with an anonymous donation and some bright ideas from a design consultant, combined with the ambition and organization of parish staff, and the helping hands of 17 women and an environmental business; this system is truly a symbol of what collaborative team effort can do for sustainable development.
Programmable Data Logging In The Renewable Energy Business Now Includes A Residential Application
A Seattle Exhibitor's Web-based Renewable Energy Monitoring App For Residential Homes at the Midwest Renewable Energy Association's Energy Fair
Science, Technology, And The Environmental Revolution
As a professional, technical, and scientific service provider, ESA connects the best products, services and knowledge from the environmental industry to businesses and communities nationwide.
Xantrex Uses Halt To Enhance Product Reliability
Simply put, HALT is superior to conventional testing because it is cost effective, faster, more accurate, compresses our product time to market, and maximizes customer satisfaction.
Dutch Firm Develops High Efficiency Solar Distillation Unit
Apart from the small electronic component the whole installation can be made locally with materials available in nearly every part of the world, being glass and PVC piping and appendages.
Grid Connected PV Inverters
Inverters convert the "DC" electrical power output of renewable energy technologies - such as solar, wind and fuel cells - to the high quality "AC" that our conventional power system require.
Off-Grid Habitat
The Baumgartner's not only enjoy modern appliances, they also have lower fuel bills and enjoy power even when their neighbors are suffering from a blackout. The only evidence that their house is running on solar power is the noise from the generator when it is running.
Photovoltaics - Part Two
The PV market is approximately $3.5 billion worldwide today, and is expected to grow to over $20 billion by 2012 to 2015. The rate of growth of PV products has increased by 25 percent annually over the last 5 years and is expected to continue at this rate or greater for the next few decades.
Small Hybrid Solar And Wind Energy Systems Offer Alternatives To Consumers
The small hybrid solar and wind energy system at NREL's Outdoor Test Facility produces 1,400 watts of power from solar and 900 watts from the wind turbine, enough to power a refrigerator, lights, heaters, air coolers, computers and a radio.
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