about 2 hours ago - No comments
Question by ed f: which local winds could be most easily harnessed for the generation of electricity by a massive wind farm? —————————————— Answer by JackId say coastal winds are the most reliable. Also the towers do not need to be that large on coast. —————————————— Know better? Leave your own answer in the comments!
about 2 hours ago - No comments
Question by Morten H: Can someone please tell me some good and bad things about saving solar energy in water or stone from one day t? Can someone please tell me some good and bad things about saving solar energy in water or stone from one day to another. —————————————— Answer by Nthere’s nothing bad
about 1 day ago - 4 comments
Question by : how much money per year would you save on electricity if u used a wind turbine? —————————————— Answer by William Shanker…most likely NONE as the cost of a wind-generator and everything involved in its construction and set up is ENORMOUS ! Answer by PointBlankResponseYou need like a thousand more points of detail
about 1 day ago - No comments
about 2 days ago - No comments
Question by : questions to include in a questionnaire for home wind turbine? i am doing this for my design technology and i am creating a wind turbine a small one for home use and i have to create a questionnaire, nd i have already ran out of questions to include. —————————————— Answer by Tim
about 2 days ago - 3 comments
Question by Mitch: How much current can you make with a solar panel? I would like to put solar panels on my vehicle to run a hydrogen booster, the problem is that a hydrogen booster requires 25 to 30 amps to be efficient. Is it possible to create this many amps at 12 volts using
about 3 days ago - No comments
Question by tcook09: how do you make a miniature wind turbine? I am interested in wind farms and I going to make a wind turbine for the science fair any websites for tips and directions —————————————— Answer by Have a scientastic day!just get a small electric motor. I advocate you go to a place like
about 3 days ago - No comments
Question by : Solar Energy accounts for how much of our energy consumption? I need to know out of all the electricity we use, how much of it comes from solar energy? source please —————————————— Answer by Brian DanthySince heat is what energy through inbody is released, about 25 – 30% of it comes for
about 5 days ago - 1 comment
Question by Steven: Is a wind turbine’s blade speed related to its power output? I’m doing a science fair project on the power output of wind turbines. I had planned to actually measure the power output of various types of blades, angles of blades, etc., but building a system like this seems to be beyond
about 5 days ago - 1 comment
Question by Conrad: Charging a battery with a solar panel? I have a boat with an automatic bilge pump, and I want to hook up my battery ( 12 volt deep cycle marine) to a solar panel so that it maintains its charge when the bilge pump kicks on, the bilge pump will only kick
about 1 year ago
You could connect them in parallel with diodes because both voltage sources are higher than the 12 v of the battery that you are charging. The battery establishes the 12 v at one side of the diode and both are forward biased by the 15 or 18 v sources. The current drawn by charging the battery will drop the voltage of each source across its internal resistance to bring them both down to the battery voltage plus a diode voltage drop of about 0.7 v
about 1 year ago
Goober’s idea is correct, though it would be costly to implement at a large power load. The best and simplest way is to buy two charge controllers, each of the proper configuration for the power source, and feed them both into the same battery bank.
about 1 year ago
Placing diodes in series with each source to the battery would solve your problem. You should use a charge controller on the system to prevent overcharging the battery.
I’ve put together a relatively simple dump load circuit which diverts excess power to high power resistors. It is part of a wind charging system with inputs from wind, solar, and a DC power supply.
http://members.rennlist.org/warren/wind.html
http://members.rennlist.org/warren/rackwiring.jpg
http://members.rennlist.org/warren/dumpload.html