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And, somewhat, to the amount of voltage present. (I'm going to simplify this greatly, so all you electrical engineers out there, please don't drop your teeth ) In other words, the higher the voltage present in a wire-wound field, the more current the field will draw, and therefore the stronger the magnet will be. However, as the rotor speeds up, the flux density of the field increases accordingly. The nice thing about this arrangement is that the magnets in a wire-wound field generator put very...

Sunrus

I'm looking for a rechargable battery-operated remote control toy car (or truck) or other similar innovative, off the grid power toys that help kids learn about the positive uses of alternative energy sources. Any input Stephany Schenker, POB 431, Anahola, HI 96703 Stephany, you can buy off the shelf solar toys and solar experimentation kits from a number of suppliers. Alternative Energy Engineering and Real Goods Trading Co. are two that come to mind. You can find them in the advertiser's...

Hi Quality Crystalline Frameless Modules

3+ watts 10x10 36 cells, V0C-20.1, VPP 15.7 - 45.00 1+ watts 5x5 18 cells, VOC- 9, VPP-7.5 - 15.00 4 AMP CHARGE CONTROLLER, TIMER 2 TO 16 HOURS w batt-temp compensation, these work great for outdoor light. New, sold as is - 38.00 For day night sensor add 9.00 10 WATT AMORPHOUS MODULES 12x36 With 1 2 wide alum. frames VOC-22.5, VPP-14.50 - 79.00

Photovoltaic Systems Solar Heating And Drying Micro Hydro Energy Wind Energy

ASSOCIATE OF THE SOLAR TECHNOLOGY INSTITUTE (COLORADO, USA) TEL (57 23) 68 80 26 FAX (57 23) 47 00 82 We are looking for a simple illustrated manual on the maintenance and operation of a small PV system. Our organization, Terrasol, assists the installation of small one and two panel PV systems in Central America, mostly in Nicaragua. The systems use one panel, one deep cycle 12 Volt battery, a charge controller, and typically are used to run 12 Volt fluorescent lamps in a community room. We...

Meter meter on the wall

Finally, the last piece fell into place. I'd grown used to my pretty blue photovoltaic module out on the grass soaking up the sun's energy and filling up a car battery. I'd installed a charge controller, fuses, and a circuit breaker, but one thing was missing. I didn't feel comfortable about unplugging from the Home Power Office & Power grid until I had meters a voltmeter and ammeter in place. I knew the panel was charging the battery. The regulator has LED lights, so I know when it's...

Sunlight Energy Corporation

Above The front end of a Voltsrabbit (a VW Rabbit converted from gasoline to electric power). There are eight 6 Volt lead acid golf car batteries, and an accessory 12 Volt battery under the hood. Photo by Shari Prange The battery pack is one of the electric car's biggest components, in many senses of the word big. It is the bulkiest and heaviest component. It is one of the most expensive. And it is one of the most important to performance. Designing the battery pack involves a series of...

The Handson Journal Of Homemade Power

Sue Robishaw of Cooks, Michigan tells how she and her partner live and work in the backwoods in an earthbermed home powered by solar energy. 14 Give me enough sunshine, and I'll juice a brick Jay Campbell tells the story of Lu Yoder and his mobile juice bar powered with photovoltaics. All for under 2000. Laurie Stone describes her recent experiences installing PV electric systems and building solar ovens in El Salvador. 62 Straw and Solar A Perfect Renewable Match Mark Hawes tells about the...