Before we can store electricity in Hydrogen or Compressed air forms outside the lab!
There is a new type of Lead-Vitriol gel-sealed battery! Replacing the liquid Sulfur Acid with Colloidal Vitriol Acid. This acid won't form lamination like sulfur acid which causes the cells to close out. Longer life(450 recharges than 300 for Lead Acid) and low self-discharge rate(2% per month vs. 1% per day). Charging and discharging to full capacity faster! Colloidal Acid has good heat dissipation, so no internal short circuit to interrupt power flow! Invented by German, improved in China. Chinese government is promoting this battery to replace Lead Acid Battery all over China. Oxide Battery may start this OEM battery soon! ----- Original Message ----- From: "Martin Klingensmith" <[EMAIL PROTECTED]> To: <biofuel@yahoogroups.com> Sent: Friday, January 31, 2003 11:30 PM Subject: RE: [biofuel] Homemade inverters. > Most newer inverters are PWM sine wave output. Modern MOSFET designs > improve efficiency incredibly over less efficient transistor designs. A > 500W inverter wasting 20% is quite exaggerated, I have seen actual > values from 90-97% > A lot of people don't take into account the losses associated with > running low-voltage high-current power through a conductor. A 12 volt > appliance drawing 20 amps with a loss of .08 ohms in the conductor [size > 12 AWG, 50 feet] would have a drop of 1.58 volts - assuming you could > get that 20 amps of current [max allowed for 12 gauge wire], you would > be wasting 30 watts in your wire. > 24 volt systems are much better. Depending on your situation and if the > wire already exists in your house, you may be better off using a > high-efficiency inverter or inverters that switch on with an increasing > load [to reduce idle losses] > Larger-gauge wire would also be a lot more expensive for new > installations. > > --- > Martin Klingensmith > infoarchive.net [archive.nnytech.net] > nnytech.net > > -----Original Message----- > From: John Mullan [mailto:[EMAIL PROTECTED] > Sent: Friday, January 31, 2003 9:21 PM > To: biofuel@yahoogroups.com > Subject: RE: [biofuel] Homemade inverters. > > I have been keeping my on the inverter subject for a while. As a > 'reasonably' educated electronics technician (mostly digital) I feel I > can comment on this. > > Most inverters are notorious energy wasters. Energy waste is > proportional to energy drawn. For example (not accurate) a 100W inverter > wastes 5% while a 500W inverter wastes 20%. > > Transformers can of course give you a better sine wave. However, 60hz > is such a low frequency that you need a huge transformer. > > Solid state produces the noisier sine wave and depending on the wattage > you require, can be very difficult to keep the output devices cool. > > Many of the new inverters have improved on efficiency, but are > expensive. I bought a 1800W Tripp-Lite unit for $1200 CDN. And it > doesn't take long for a pair of 500W quartz lamps to drain 2 deep-cycle > marine batteries. > > It might be better to use a few smaller individual inverters for smaller > loads and a couple of heavier duty ones for heavier loads. IE; use the > size necessary to get the job done. If you used one huge inverter to > power most of your house, it would have to be on constantly and waste a > lot of power (they do consume energy even when the load is off). > > Better yet, you can get almost every electrical device you desire in a > 12 or 24 volt version. Why not convert everything to low-voltage (24 > being more efficient than 12). You will get a lot more time between > recharges over using inverters. > > PS: I know I didn't really solve any problems here but hope to have > imparted a little knowledge for Patrick. > > Cheers, > > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Biofuels list archives: > http://archive.nnytech.net/ > > 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/ > > > Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ 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/
