Updated: 5/16/2006; 11:04:13 AM.

Ken Novak's Weblog
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daily link  Wednesday, September 17, 2003

Beacon Power demonstrates new inverter and software: "The Smart Power M5 is a high performance 5-kilowatt inverter for grid-connected solar power applications. It incorporates a range of components in one compact, integrated system, including inverter, charge controller with maximum power point tracking, switchgear, and battery back-up capability. Even in the event of a grid outage, the M5 will continue to operate as uninterruptible power system (UPS), providing photovoltaic (or battery) power to critical loads. Traditional grid-tied inverters do not function when primary power fails. ..  Beacon will also demonstrate its new Smart Power Monitor PC-based software that monitors, analyzes and reports the performance of an M5-based solar power system. Users can observe and record key system performance parameters, including solar power output (real-time and accumulated), power exported to the grid (for net metering applications), and battery charging and discharging functions. "

  12:58:31 PM  permalink  

Twelve Major US Corporations and WRI Announce Corporate Green Power Purchases: "The World Resources Institute (WRI) and the 12 members of its Green Power Market Development Group today announced 97 megawatts (MW) of groundbreaking green power deals. The purchases include the largest corporate fuel cell and renewable energy certificate deals in the United States. The Green Power Market Development Group (The Green Power Group) is a unique commercial and industrial partnership dedicated to building corporate markets for green power. Its members are Alcoa Inc, Cargill Dow LLC, Delphi Corporation, The Dow Chemical Company, DuPont, General Motors, IBM, Interface, Johnson & Johnson, Kinko's, Pitney Bowes, and Staples"

  12:55:06 PM  permalink  

Inverter FAQ - All you ever wanted to know about inverters for solar electric systems.  Good reference.  Using its recommended manufacturers and models, http://froogle.google.com can find the parts and prices, like this 150w unit for $60, or this 1000w unit for $500.  12:53:25 PM  permalink  

Women top the world: "Women have overtaken men at every level of education in developed countries around the world. And girls are now more confident of getting better-paid, professional jobs than their flagging male counterparts. International education figures, published by the Organisation for Economic Co-operation and Development, show a consistent picture of women achieving better results than men.

"The success of girls is a complete reversal of what would have been expected a generation ago, said Andreas Schleicher, head of analysis at the OECD's education directorate. "In most OECD countries young women are now more likely than young men to obtain first degrees from university-level institutions," it said. "Only in three countries -- Japan, Switzerland and Turkey -- is the proportion of young men obtaining first degrees significantly higher than that of young women."

According to the OECD, in 1990 men still had higher graduation rates than women in half the countries surveyed. Today females make up on average more than two-thirds of graduates in the humanities, arts, education and health. But they make up less than a third in mathematics and computer science and less than a quarter in engineering. At the age of 15, girls were better readers than boys in every one of the 43 countries that took part in a 2000 study.  In about half the countries boys were ahead on mathematical literacy, but the differences here were smaller. ..

Mr Schleicher said there were signs that boys were more susceptible to being put off education by disruptions in their home environment.  They seemed less able to overcome obstacles, whether peer group pressure or a lack of family support."

  9:52:21 AM  permalink  


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Last update: 5/16/2006; 11:04:13 AM.