Thanks DAve yes I meant 2% more for stranded than the voltage drop for solid. So the number is very small. Your example was right on.
Darryl --- On Wed, 8/5/09, Dave Click <[email protected]> wrote: > From: Dave Click <[email protected]> > Subject: Re: [RE-wrenches] solid vs stranded AC vs DC > To: "RE-wrenches" <[email protected]> > Date: Wednesday, August 5, 2009, 7:58 AM > 2% loss is significant, but I think > that Darryl was saying that the > resistance for stranded wire was 2% higher than solid. So > if you had a > 3% voltage drop in your system with stranded wire, you > could rewire the > system with solid wire and have a voltage drop of (3% x > 0.98) 2.94% at > peak production; that's less than 1 kWh/yr per kW > installed. > > DKC > > -------- Original Message -------- > Subject: Re: [RE-wrenches] solid vs stranded AC vs > DC > From: Joel Davidson <[email protected]> > To: RE-wrenches <[email protected]> > Date: 2009/8/3 20:31 > > > 2% loss from any resistance source over 25 years is > significant. > > > > ----- Original Message ----- From: "Darryl Thayer" > <[email protected]> > > To: "RE-wrenches" <[email protected]> > > Sent: Monday, August 03, 2009 2:04 PM > > Subject: Re: [RE-wrenches] solid vs stranded AC vs DC > > > > > > > > Yes, that is what the code book and my electricians > handbook says, but > > 2% is very little. I would think that passing > through a conduit hole is > > larger than that. > > Darryl > > > > --- On Mon, 8/3/09, Matt Tritt <[email protected]> > wrote: > > > >> From: Matt Tritt <[email protected]> > >> Subject: Re: [RE-wrenches] solid vs stranded > AC vs DC > >> To: "RE-wrenches" <[email protected]> > >> Date: Monday, August 3, 2009, 3:49 PM > >> > >> > >> > >> > >> > >> > >> Darryl, > >> > >> > >> > >> Say what?! This would seem to indicate that solid > core is > >> actually > >> better for DC than stranded wire. Can this > possibly be > >> true?? > >> > >> > >> > >> Matt > >> > >> > >> > >> Darryl Thayer wrote: > >> > >> I looked in the code book and > found stranded wire > >> has about 2% higher DC resistance than solid, > Chapter 9 > >> table 8, and that for AC resistance the same value > as DC > >> resistance to within the table accuracy Chapter 9 > Table 9 > >> > >> This table points out that for AC resistance it > is > >> important to know the conduit system, as the > reactance will > >> have an effect. With AC it is important to > never allow a > >> single wire to pass through a metal surface as > this will > >> induce eddy currents and magnetic effects into the > metal > >> causing voltage drop and heating. > >> > >> --- On Fri, 7/31/09, jay peltz <[email protected]> > >> wrote: > >> > >> > >> > >> From: jay peltz <[email protected]> > >> Subject: Re: [RE-wrenches] solid vs stranded > AC vs DC > >> To: "RE-wrenches" <[email protected]> > >> Date: Friday, July 31, 2009, 10:01 PM > >> Hi Darryl, > >> > >> But what are the differences and when do they come > into > >> play? > >> > >> > >> > >> > >> On Jul 31, 2009, at 7:25 PM, Darryl Thayer wrote: > >> > >> > >> > >> Well there is very > slight differences between AC > >> and > >> > >> > >> Dc But this > >> > >> > >> difference > >> is so slight that it has no effect on anything we > will > >> > >> > >> do. > >> > >> > >> Darryl > >> --- On Fri, 7/31/09, jay peltz <[email protected]> > >> > >> > >> wrote: > >> > >> > >> > >> From: jay > peltz <[email protected]> > >> Subject: [RE-wrenches] solid vs stranded AC > >> > >> > >> > >> vs DC > >> > >> > >> > >> To: > "RE-wrenches" <[email protected]> > >> Date: Friday, July 31, 2009, 7:00 PM > >> HI All, > >> > >> I'm trying to understand this wire issue. > >> > >> Whether or not there is a difference between > >> > >> > >> > >> stranded or > >> > >> > >> > >> solid wire > for DC or AC. > >> > >> Any takers on this one? > >> > >> thanks, > >> > >> jay > >> > >> peltz power > >> _______________________________________________ > >> List sponsored by Home Power magazine > >> > >> List Address: [email protected] > >> > >> Options & settings: > >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > >> List-Archive: > >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > >> > >> List rules & etiquette: > >> www.re-wrenches.org/etiquette.htm > >> > >> Check out participant bios: > >> www.members.re-wrenches.org > >> > >> > >> > >> > >> > >> > >> _______________________________________________ > >> List sponsored by Home Power magazine > >> > >> List Address: [email protected] > >> > >> Options & settings: > >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > >> List-Archive: > >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > >> > >> List rules & etiquette: > >> www.re-wrenches.org/etiquette.htm > >> > >> Check out participant bios: > >> www.members.re-wrenches.org > >> > >> > >> > >> > _______________________________________________ > >> List sponsored by Home Power magazine > >> > >> List Address: [email protected] > >> > >> Options & settings: > >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > >> List-Archive: > >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > >> > >> List rules & etiquette: > >> www.re-wrenches.org/etiquette.htm > >> > >> Check out participant bios: > >> www.members.re-wrenches.org > >> > >> > >> > >> > >> > >> > >> > >> _______________________________________________ > >> List sponsored by Home Power magazine > >> > >> List Address: [email protected] > >> > >> Options & settings: > >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > >> List-Archive: > >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > >> > >> List rules & etiquette: > >> www.re-wrenches.org/etiquette.htm > >> > >> Check out participant bios: > >> www.members.re-wrenches.org > >> > >> > >> > >> > >> No virus found in this incoming message. > >> Checked by AVG - www.avg.com > >> Version: 8.5.392 / Virus Database: 270.13.42/2279 > - Release > >> Date: 08/03/09 05:57:00 > >> > >> > >> > >> > >> > >> > >> -----Inline Attachment Follows----- > >> > >> _______________________________________________ > >> List sponsored by Home Power magazine > >> > >> List Address: [email protected] > >> > >> Options & settings: > >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > >> > >> List-Archive: > >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > >> > >> List rules & etiquette: > >> www.re-wrenches.org/etiquette.htm > >> > >> Check out participant bios: > >> www.members.re-wrenches.org > >> > >> > > > > > > > > _______________________________________________ > > List sponsored by Home Power magazine > > > > List Address: [email protected] > > > > Options & settings: > > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > > List-Archive: > > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > > > > Check out participant bios: > > www.members.re-wrenches.org > > > > > > _______________________________________________ > > List sponsored by Home Power magazine > > > > List Address: [email protected] > > > > Options & settings: > > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > > List-Archive: > > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > > > > Check out participant bios: > > www.members.re-wrenches.org > > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
