[RE-wrenches] Battery Racks

[Kirpal Khalsa]

Allan......very good point...I had not thunk that far......It will probably
be a good difference in temp. too.....I am not quite sure how we would
address that as the system will only have one charging source and 2 strings
of batteries.....one on the top shelf and one on the bottom....???? Any
ideas? I my initial inclination would be to lean towards putting the temp
sensor on the top string as over heating of the battery bank due to over
charging is probably a bigger concern than being very cold as this is in a
residential garage with out much insulation in relatively mild wintered
Oregon....
Thanks to all for their ideas and recommendations....this list and its
members are definitely a priceless resource.....I would gladly share my
chantrelle mushroom loot i just pulled out of the forest with you all were
you here right now!
Cheers....

-- 
Sunny Regards,
Kirpal Khalsa
NABCEP Certified Solar PV Installer
Renewable Energy Systems
www.oregonsolarworks.com
541-218-0201 m
541-592-3958 o

On Mon, Oct 19, 2009 at 1:12 PM, Allan Sindelar <
allan at positiveenergysolar.com> wrote:

>  Kirpal,
>
> Keep in mind variations in upper- and lower-bank temperatures from ambient
> heat stratification if the batteries are in an indoor space. This affects
> relative SOC among strings, affecting string life.
>
>
>
> Allan Sindelar
>
> Allan at positiveenergysolar.com
>
> NABCEP Certified Photovoltaic Installer
>
> EE98J Journeyman Electrician
>
> *Positive Energy, Inc.*
>
> 3201 Calle Marie
>
> Santa Fe, New Mexico 87507
>
> 505 424-1112
>
> www.PositiveEnergySolar.com <http://www.positiveenergysolar.com/>
>
>
>
> *From:* re-wrenches-bounces at lists.re-wrenches.org [mailto:
> re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Kirpal Khalsa
> *Sent:* Monday, October 19, 2009 1:47 PM
> *To:* RE-wrenches
> *Subject:* [RE-wrenches] Battery Racks
>
>
>
> Hi All.....anyone have any experience with battery racking systems for big
> banks of flooded lead acid batteries?  Typically we don't like to stack
> flooded batteries but we may not have space for as big of a bank as we need
> if we don't stack......Any one know of a company that engineers racks that
> are seismically sound, have the ability to have spill containment all while
> maintaining some accessibility?  I know DPW makes battery racks but looking
> at their web site they are typically smaller than what we need.....
> We need to support roughly 7000lbs.....and are exploring if this is even
> doable....
> Cheers and thanks!
>
> --
> Sunny Regards,
> Kirpal Khalsa
> NABCEP Certified Solar PV Installer
> Renewable Energy Systems
> www.oregonsolarworks.com
> 541-218-0201 m
> 541-592-3958 o
>
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-- 
Sunny Regards,
Kirpal Khalsa
NABCEP Certified Solar PV Installer
Renewable Energy Systems
www.oregonsolarworks.com
541-218-0201 m
541-592-3958 o
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