Hi > >>As a rough guide the sun's energy is ~ 750 W/m2 on a sunny day. Good > >>solar cells (crystalline Si) are ~ 20% efficient so a 1m2 array will > >>give about 100W (maybe a bit less) by the time you include an inverter > >>to provide the right voltage. You need to match the inverter with the > >>cell array for best results. > > > > > > Is it possible to remove the 240 volts entirely from the chain. Provide > > 12 and 5 volts almost directly so as to remove the conversion losses. > > Yes. You can get arrays that produce 12 or 24 volts directly. > It depends on how many individual cells are wired up and whether they > are in series or parallel.
http://www.everythinglinux.com.au sell ATX power supplies that run from 12v. Of course 5v and 12v is a falacy, modern CPUs use 1-2v from a 3.3 v supply James -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
