Trojan recommends not discharging below 80% on their t105's if you need 10kWh/day, you need a 50kWh pack
you can replace at 20% of the pack rating, IIRC. Steve Spence Subscribe to the Renewable Energy Newsletter: http://www.webconx.com/subscribe.htm Renewable Energy Pages - http://www.webconx.com Mirror Site http://www.webconx.dns2go.com/ [EMAIL PROTECTED] (212) 894-3704 x3154 - voicemail/fax We do not inherit the earth from our ancestors, we borrow it from our children. ----- Original Message ----- From: "manuel cilia" <[EMAIL PROTECTED]> To: <biofuel@yahoogroups.com> Sent: Sunday, October 14, 2001 3:32 AM Subject: [biofuel] running a house from a generator > I have been running my farm house from a generator/battery setup for over a > year now and it is great but not with out its problems. > > The average house energy efficient home will use between 6Kw and 10Kw per > day assuming your hot water is gas/solar and your cooking is gas. > > The problem is with the batteries. A battery (deep cycle) can only be charge > up at 10% of its value without risking damage to them. > > You must remember that the batteries take all the load and the generator > simply charges the batteries. The power to house is supplied through an > inverter. > > If you use 10Kw/day then you can only put in 1Kw per hour into the > batteries, therefore at the quickest it would take 10 hours to replace what > you took out in that day. > > Therefore if your generator is any bigger than 1kw then you are wasting > fuel. > A way to get around this problem is to have bigger batteries, so if your > generator is rated at 5kw then you need 50kw of batteries (very expensive). > but you would only need to run your generator for 2 hours a day. > > Remember just because the fuel is free we shouldn't waste it. > > Mani > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > ------------------------ Yahoo! Groups Sponsor ---------------------~--> Get your FREE credit report with a FREE CreditCheck Monitoring Service trial http://us.click.yahoo.com/Gi0tnD/bQ8CAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
