[RE-wrenches] SWR2500U Inverter
Darryl Thayer
daryl_solar at yahoo.com
Wed Nov 18 22:14:58 PST 2009
Not so fast on average and expected low and record low. Last winter it was -38 in a location that has a -39 record low. I was scared.
DT
--- On Wed, 11/18/09, robert ellison <reellison at gmail.com> wrote:
> From: robert ellison <reellison at gmail.com>
> Subject: Re: [RE-wrenches] SWR2500U Inverter
> To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> Date: Wednesday, November 18, 2009, 5:29 PM
> Thanks Dave,
>
> Now we don't feel so left out.
>
> Everyone might want to notice that the temps are in
> centigrade, not Fahrenheit
>
> It is still off for this area, by a bunch on the cold
> side but i guess we just need to let common sense work and
> account of that.
>
> Last year the low was -39 in Watertown and colder in
> other areas that no one wants to put a weather station
> in....
>
> Tell me again why i live here?
>
> Later,
> Bob
>
>
>
>
> On Wed, Nov 18, 2009 at 11:14 AM,
> Dave Click <daveclick at fsec.ucf.edu>
> wrote:
>
> Good
> catch Bob, there seems to be a page missing from that
> table... this report from Bill's site has the complete
> table (at the end of the file, again).
>
>
> http://www.brooksolar.com/files/Expedited_Explanation-5-6-09.pdf
>
>
>
> DKC
>
> -------- Original Message --------
> Subject: Re: [RE-wrenches] SWR2500U Inverter
>
> From: robert ellison <reellison at gmail.com>
> To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
>
>
> Date: 2009/11/18 11:01
>
>
>
> My eyes must be bad, i just looked at the
> entire list 3 times and New York state is not on it
> anywhere.
> I have see 48 below and just wanted to see what the
> averages ctually were.
> Bob
>
>
>
> On Wed, Nov 18, 2009 at 7:30 AM, Dave Click
> <daveclick at fsec.ucf.edu
> <mailto:daveclick at fsec.ucf.edu>>
> wrote:
>
>
> Just a note here- rather than using the record lows,
> you can go back
> to the future and use the ASHRAE minimum expected
> temperatures as
> the 2011 NEC will allow explicitly. In the '08, it
> says to use the
>
> "lowest expected ambient temperature," for
> which the ASHRAE
> temperatures are more appropriate than record lows.
> These ASHRAE
> temps will be higher than the record lows and will add
> a little more
>
> cushion there at 600 VDC.
>
> So where to get these temperatures? Starting on page
> 47:
> http://www.solarabcs.org/permitting/Expermitprocess.pdf
>
>
> Also, in case you didn't know, www.pvselect.com
> <http://www.pvselect.com/>
> is another option for string sizing that
>
> features multiple inverters and a 1 degree temperature
> step rather
> than the 9 degree (F) temperature step on the SMA
> sizer. They have
> the Kyocera KD130 in their database, but not the
> KC130.
>
>
> DKC
>
>
> -------- Original Message --------
> Subject: Re: [RE-wrenches] SWR2500U Inverter
> From: Brian Teitelbaum <bteitelbaum at aeesolar.com
>
>
> <mailto:bteitelbaum at aeesolar.com>>
> To: RE-wrenches <re-wrenches at lists.re-wrenches.org
>
>
>
>
> <mailto:re-wrenches at lists.re-wrenches.org>>
> Date: 2009/11/18 01:34
>
> Joel,
> The SMA SWR2500U inverter has been a long
> discontinued model.
>
> If you want to use an SMA inverter, go to the
> SMA website to use
> their excellent sizing program. Plug in the
> module, and your
> record minimum and average maximum temps for the
> site, and look
> for a current model inverter that will work. All
> of the "U"
>
> series inverters (except for the 700U) are
> discontinued models,
> and the "US" series are the current
> models.
> If your min temp is not below 14⁰F, it looks
> like you can use
> all 24 in one series string with the 4000US
> inverter, but that
>
> gets you awfully close to 600VDC (595VDC) at
> 14⁰F. You might
> want to play it safe and drop one of the
> modules. Unfortunately,
> none of the SMA inverters will operate with only
> 12 modules in a
>
> string (with two strings). However, a Fronius
> IG-3000 will, so
> you might want to go with that, although it has
> a lower efficiency.
> Brian Teitelbaum
> AEE Solar
> -----Original Message-----
>
> From: re-wrenches-bounces at lists.re-wrenches.org
> <mailto:re-wrenches-bounces at lists.re-wrenches.org>
>
> [mailto:re-wrenches-bounces at lists.re-wrenches.org
> <mailto:re-wrenches-bounces at lists.re-wrenches.org>]
> On Behalf Of
>
> Joel Davidson
> Sent: Tuesday, November 17, 2009 4:56 PM
> To: RE-wrenches
> Subject: [RE-wrenches] SWR2500U Inverter
> Wrenches,
> Our customer has 24 each Kyocera KC130 modules
> and wants to go
>
> grid-tied.
> Can he use an SMA SWR2500U inverter with the fan
> kit? Is there a
> better
> inverter that will use all of his modules? If
> you have an
> SWR2500U or a
> better inverter option for sale, please contact
> me off-list.
>
> Thank you very
> much.
> Joel Davidson
>
> _______________________________________________
> List sponsored by Home Power magazine
> List Address: RE-wrenches at lists.re-wrenches.org
>
> <mailto:RE-wrenches at lists.re-wrenches.org>
>
>
> 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
> <http://www.re-wrenches.org/etiquette.htm>
>
> <http://www.re-wrenches.org/etiquette.htm>
> Check out participant bios:
> www.members.re-wrenches.org
>
> <http://www.members.re-wrenches.org/>
>
>
> <http://www.members.re-wrenches.org
> <http://www.members.re-wrenches.org/>>
>
>
>
> ------------------------------------------------------------------------
>
>
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> <mailto:RE-wrenches at lists.re-wrenches.org>
>
>
>
> 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
> <http://www.re-wrenches.org/etiquette.htm>
>
>
> Check out participant bios:
> www.members.re-wrenches.org
> <http://www.members.re-wrenches.org/>
>
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> <mailto:RE-wrenches at lists.re-wrenches.org>
>
>
>
>
>
> 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
> <http://www.re-wrenches.org/etiquette.htm>
>
>
> Check out participant bios:
> www.members.re-wrenches.org
> <http://www.members.re-wrenches.org/>
>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
>
> 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: RE-wrenches at lists.re-wrenches.org
>
>
> 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
>
>
>
>
>
> -----Inline Attachment Follows-----
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> 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
>
>
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
More information about the RE-wrenches
mailing list