Well, if you would transmit 120 Volts over the power lines there wouldn't be much voltage left by the time it gets to your house. At 14, 400 volts (the typycal rural line) the current going thru the transmission lines is 1:120 of your use, so the line losses are minimized, meaning that if you use 120 amps, the transmission line only has to carry 1 amp. Your transformer next to your house (or such whereabouts) takes care of putting it back to 120.
Walter ----- Original Message ----- From: Jim Richardson To: [email protected] Sent: Thursday, March 12, 2009 4:08 AM Subject: Re: [Liveaboard] electricity yes, it's not the transmission of DC that is the problem, it's that AC can easily be converted up or down in voltage (and the reverse, in current) that makes it suitable. 240VDC travels just fine in wires. same as 240VAC, but the high voltage lines at 14KV etc, aren't much use to a most homeowners. DC or AC. _______________________________________________ Liveaboard mailing list [email protected] To adjust your membership settings over the web http://www.liveaboardnow.org/mailman/listinfo/liveaboard To subscribe send an email to [email protected] To unsubscribe send an email to [email protected] The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/ To search the archives http://www.mail-archive.com/[email protected] The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html
