nanog mailing list archives
Re: MAE-East still no generator
From: Avi Freedman <freedman () netaxs com>
Date: Sun, 8 Sep 1996 10:02:43 -0400 (EDT)
I don't think so. AC is not very good for distance. When you have a AC sine wave you also get reverse EMF that distorts the signal. AC is like VHS it was at the masses first. DC like BETA works better, though if you use DC you would have a lot more deaths because AC is a little easier to take if you touch the wire at high currents.
My impression was that AC was used in power transmission because it's so easy to trade off voltage vs. current, and since the resistance in wire is related to current and not voltage, cranking the voltage to huge levels (easily done w/ AC w/ transformers) means very low (compared to DC) loss due to the internal resistance in the wires.
I think it is. When you buy space at DEC they don't day well don't forget your APC because we don't have backed AC power or even a generator.
Huh?
Nathan Stratton CEO, NetRail, Inc. Tracking the future today!
Avi - - - - - - - - - - - - - - - - -
Current thread:
- Re: MAE-East still no generator, (continued)
- Re: MAE-East still no generator Nathan Stratton (Sep 08)
- Re: MAE-East still no generator Avi Freedman (Sep 08)
- Re: MAE-East still no generator Robert E. Seastrom (Sep 08)
- Re: MAE-East still no generator Ed Morin (Sep 08)
- Re: MAE-East still no generator Avi Freedman (Sep 08)
- Re: MAE-East still no generator Paul A Vixie (Sep 08)
- Re: MAE-East still no generator Stephen Stuart (Sep 08)
- Re: MAE-East still no generator Alan Hannan (Sep 07)
- Re: MAE-East still no generator Patrick J. Chicas (Sep 07)
- Re: MAE-East still no generator Nathan Stratton (Sep 08)
- Re: MAE-East still no generator Avi Freedman (Sep 08)
- Re: MAE-East still no generator Jim Dixon (Sep 08)
- Re: MAE-East still no generator Dick St.Peters (Sep 08)
- Re: MAE-East still no generator Jeff Young (Sep 09)
- Re: MAE-East still no generator Robert E. Seastrom (Sep 09)
- Re: MAE-East still no generator Avi Freedman (Sep 07)
- Re: MAE-East still no generator Nathan Stratton (Sep 08)
- Re: MAE-East still no generator Alan Hannan (Sep 07)