ers
> Subject: Re: [RE-wrenches] Strings and series of batteries with reverse
> return linkup
> To: "RE-wrenches"
> Date: Monday, December 7, 2009, 1:59 PM
> This is an excellent
> point that Jamie is making here. On electric vehicles, we do
> see up to 156 vdc se
ery will do what? have a lower vltage,
> have higher current and receive more heat, and get warmer, this is
> significant. I have never seen a battery set tha all batteries have the same
> thermal conductance to ambient
> Darryl
>
> --- On Sat, 12/5/09, boB Gudgel wrote:
>
ignificant. I
have never seen a battery set tha all batteries have the same thermal
conductance to ambient
Darryl
--- On Sat, 12/5/09, boB Gudgel wrote:
> From: boB Gudgel
> Subject: Re: [RE-wrenches] Strings and series of batteries with reverse
> return linkup
> To: "RE-
significant. I
have never seen a battery set tha all batteries have the same thermal
conductance to ambient
Darryl
--- On Sat, 12/5/09, boB Gudgel wrote:
> From: boB Gudgel
> Subject: Re: [RE-wrenches] Strings and series of batteries with reverse
> return linkup
> To: "RE-
Antony Tersol wrote:
Assume 3 parallel battery stings, with identical batteries of internal
resistance r.
Assume identical wire leads of resistance R.
Then when the batteries have the same state of charge and their
internal resistances are equal, one can solve for the current in each
string.
Assume 3 parallel battery stings, with identical batteries of internal
resistance r.
Assume identical wire leads of resistance R.
Then when the batteries have the same state of charge and their internal
resistances are equal, one can solve for the current in each string.
I1 = I3
I2 = I1 r / (r+R
idson
- Original Message -
From: "Tom Elliot"
To: "RE-wrenches"
Sent: Friday, December 04, 2009 3:01 PM
Subject: Re: [RE-wrenches] Strings and series of batteries with
reversereturn linkup
I would love to see some studies on that Michael. I do know that I saw
none
ch"
Sent: Friday, December 04, 2009 11:55 AM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] Strings and series of batteries with reverse
return linkup
Yes, the bus bar technique will always add 1 cable and 2 connection
points. And extra cost.
As far as I can see and from what I
Original Message
Subject: Re: [RE-wrenches] Strings and series of batteries
From: Allan Sindelar
Date: Fri, December 04, 2009 9:50 am
To: "'RE-wrenches'"
Funny…Quick-Cote is what I referred to in my post Wednesday about this, that we got through AEE. I don’t e
Yes, the bus bar technique will always add 1 cable and 2 connection points. And
extra cost.
As far as I can see and from what I have read in this thread, the only
advantage to the bus bar method is absolutely equal interconnection resistances
for all the strings. Maybe this advantage is only be
Colleagues:
I found Tom Elliot's buss bar solution intriguing, but instinctively
something bothered me about it. Although I like fondling wiring hardware
as much as any of us, this procedure seemed to unnecessarily complicate the
battery cabling system. Each added cable and each added connec
e a mess (designed and the components built
by Jade Mountain...)
Tom
--
From: "Hugh" <mailto:h...@scoraigwind.co.uk>
Sent: Thursday, December 03, 2009 8:30 AM
To: "RE-wrenches"
<mailto:re-wrenches@lists.re-wrenches.org>
onsisted off and it turned out to be a mess
(designed and the components built by Jade Mountain...)
Tom
--
From: "Hugh"
Sent: Thursday, December 03, 2009 8:30 AM
To: "RE-wrenches"
Funny…Quick-Cote is what I referred to in my post Wednesday about this, that we
got through AEE. I don’t ever recall it drying out, and we’re in a dry desert
climate. Nor have I ever (unless it’s really dirty) cleaned it off and
reapplied it, even when replacing batteries using the same previous
esch
Solar 1 - Saint Louis Solar
314 631 1094
- Original Message -
From: d...@foxfire-energy.com
To: RE-wrenches
Sent: Friday, December 04, 2009 4:24 AM
Subject: Re: [RE-wrenches] Strings and series of batteries
Interstate battery sells a goo called quick coat. (By quick ca
to torque). dbDan BrownPresidentFoxfire Energy Corp.Renewable Energy Systems(802)-483-2564www.Foxfire-Energy.comNABCEP #092907-44
Original Message
Subject: Re: [RE-wrenches] Strings and series of batteries
From: Mendocino Solar Service
Date: Thu, December 03, 2009 9:48 pm
To: R
Jade
Mountain...)
Tom
--
From: "Hugh"
Sent: Thursday, December 03, 2009 8:30 AM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] Strings and series of batteries
Just for a contrasting opinion:
I rarely use grease or vaseline un
gt; enclosed flooded battery enclosure where fumes will accumulate.
>> Jim Duncan
>> North Texas Renewable Energy Inc
>> 817.917.0527
>> nt...@earthlink.net
>> www.ntrei.com
>> ********
>>
>> - Original Message - From: "
I've used 12 of Jamie's 2V cells in several 24V systems and 6 in a 12V system
so far. A bit too soon to tell if they will give much better longevity than 12
6Vs in a series parallel configuration, but I'm convinced that series-parallel
is nowhere near as desirable as one series string. Over the
of batteries
It has but the one drawback is there is no bar on this bus...
From: Phil Undercuffler<mailto:solarp...@gmail.com>
Sent: Thursday, December 03, 2009 11:46 AM
To: re-wrenches@lists.re-wrenches.org<mailto:re-wrenches@lists.re-wrenches.org>
Subject: Re: [RE-wrenches] String
consisted off and it turned out to be a mess (designed and the components
built by Jade Mountain...)
Tom
--
From: "Hugh"
Sent: Thursday, December 03, 2009 8:30 AM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] Strings a
It has but the one drawback is there is no bar on this bus...
From: Phil Undercuffler
Sent: Thursday, December 03, 2009 11:46 AM
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] Strings and series of batteries
The Surrette 2v L16 is one single cell built in a case the size
Just for a contrasting opinion:
I rarely use grease or vaseline unless it proves necessary. I have
changed out battery banks after seven years and the connectors are
still pristine whilst dry. I agree that sometimes there will be
localised corrosion on battery terminals. I find it rarely, a
renches-boun...@lists.re-wrenches.org] On
> > Behalf Of James
> > Surrette
> >
> > Sent: Thursday, December 03, 2009 12:02 PM
> >
> > To: RE-wrenches; jry...@netscape.com
> >
> > Subject: Re: [RE-wrenches] Strings and series of
> > batteries
Are they three cells in parrallel or are they one big cell?
--- On Thu, 12/3/09, Brian Teitelbaum wrote:
> From: Brian Teitelbaum
> Subject: Re: [RE-wrenches] Strings and series of batteries
> To: "RE-wrenches"
> Date: Thursday, Dec
-wrenches.org] On Behalf Of James Surrette
Sent: Thursday, December 03, 2009 12:02 PM
To: RE-wrenches; jry...@netscape.com
Subject: Re: [RE-wrenches] Strings and series of batteries
Hi Jeff,
Not to plug but we (and some other vendors) have 2V L-16's on offer. So you
can get 1000AH (C/20)
Hi Jeff,
Not to plug but we (and some other vendors) have 2V L-16's on offer. So you
can get 1000AH (C/20) in a series string in this more manageable size.
Regards,
Jamie
James Surrette
Surrette Battery Co. Ltd
1 Station Rd.
Springhill, NS, CAN
B0M 1X0
Direct: 902.597.4027
Fax: 902.597
Not to be a solar wussy, but that's my main reason for using vaseline most of
the time, when high temps aren't an issue.
I'm a solar electrician, not an auto mechanic. (also why we quit servicing
generators)
R. Walters
r...@solarray.com
Solar Engineer
On Dec 3, 2009, at 9:38 AM, toddc...@fi
Friends:
Regardless of what material you prefer to protect battery posts, I don't
recommend applying it until after the connection is torqued. The cable
ends and the terminals need to be wire brushed immediately prior to
assembly. We had to dis-assemble a set of batteries and move them for 4
Boy, this string on strings and series of strings is starting to string into a
very long list of string related emails!
We also avoid multiple strings of batteries, but sometimes this is required to
get the right combination of system voltage and amp-hour capacity. We also
agree that 3 or mor
ons"
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Darryl
Thayer
Sent: Wednesday, December 02, 2009 3:11 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Strings and series of batteries
I clean,apply greas
rman
Sent: Wednesday, December 02, 2009 3:01 PM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Strings and series of batteries
Hello Chris,
We use the Polaris Insultaps all the time, but we have usually used them for
the battery paralleling only. Are you using these for the negative common bus
I am sure the reason for using gloves with grease is lithium based grease
stinks like 90 weight. Who wants that on their hands?
Todd
On Thursday, December 3, 2009 1:21am, "R Ray Walters" said:
> I was just picking up on where everybody is located. The cold weather boys
> like
> vaseline, an
- From: "R Ray Walters"
> To: "RE-wrenches"
> Sent: Wednesday, December 02, 2009 6:07 PM
> Subject: Re: [RE-wrenches] Strings and series of batteries
>
>
>> Basically I agree about the low melting point of Vaseline, but I see it as
>> the canary in t
I was just picking up on where everybody is located. The cold weather boys like
vaseline, and obviously you warm weather folks need the grease.
I think this affects the battery sizing debate too: if I size a battery for 4
days storage, it only has 2 or 3 days of storage in really cold weather.
--
From: "Michael Welch"
Sent: Wednesday, December 02, 2009 5:05 PM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] Strings and series of batteries
Thanks, Tom. I think I have seen those photos before.
Am I seeing 16 cables hooked up to each bus bar? Are you using 2 cables
for each
: http://www.wind-sun.com/ForumVB/
..
- Original Message - From: "Larry Crutcher, Starlight Solar"
To: "RE-wrenches"
Sent: Wednesday, December 02, 2009 5:27 PM
Subject: Re: [RE-wrench
systems
>and educating installers on how to use them.
>
>Tom
>
>
>--
>From: "Michael Welch"
>Sent: Wednesday, December 02, 2009 2:00 PM
>To: "RE-wrenches"
>Subject: Re: [RE-wrenches] Strings and serie
ttery companies beginning to provide hardware for such systems
and educating installers on how to use them.
Tom
--
From: "Michael Welch"
Sent: Wednesday, December 02, 2009 2:00 PM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] String
ead on the
case. Dirty car and truck batteries in damp weather often leak current.
Joel Davidson
- Original Message -
From: "R Ray Walters"
To: "RE-wrenches"
Sent: Wednesday, December 02, 2009 6:07 PM
Subject: Re: [RE-wrenches] Strings and series of batteries
B
s"
Sent: Wednesday, December 02, 2009 5:27 PM
Subject: Re: [RE-wrenches] Strings and series of batteries
> Another YES for silicon. We have used it for years. A very thin coat will
> last a long time. I have seen the gooey mess for heated vaseline more
&
Sent: Wednesday, December 02, 2009 6:24 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Strings and series of batteries
My question about the buss bar is this.
Is this something that you are fabricating or are buying and if so where and
what?
thanks,
jay
peltz
My question about the buss bar is this.
Is this something that you are fabricating or are buying and if so where and
what?
thanks,
jay
peltz power
___
List sponsored by Home Power magazine
List Address: RE-wrenches@lists.re-wrenches.org
Options & s
Problem with bussing in the Flexware, is that the bussbars only go to 1/0.
(be great if they made an attachment like Sq D, that allowed you to bring
bigger cables to their buss.)
Another reason to go to a battery buss instead of cross tying is on complicated
layouts where cross tying won't get
ttp://www.wind-sun.com/ForumVB/
> ..
> - Original Message - From: "Larry Crutcher, Starlight Solar"
>
> To: "RE-wrenches"
> Sent: Wednesday, December 02, 2009 5:27 PM
> Subject: Re: [R
uot;
To: "RE-wrenches"
Sent: Wednesday, December 02, 2009 5:27 PM
Subject: Re: [RE-wrenches] Strings and series of batteries
Another YES for silicon. We have used it for years. A very thin coat will
last a long time. I have seen the gooey mess for heated vaseline
Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Michael
Welch
Sent: Wednesday, December 02, 2009 4:00 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Strings and series of batteries
I wish I understood this bus bar use better
es-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dana
Sent: Tuesday, December 01, 2009 12:58 PM
To: 'RE-wrenches'
Subject: [RE-wrenches] Strings and series of batteries
On a similar subject here â
Long ago, I had a Trojan battery r
I also have been following this thread and wondering "whazzup" about
buss bars being better than just parallel cables from one battery
string to the next.
Agreed that the parallel cable method "is merely using the terminal of
the battery as a connector between two cables." Maybe if there's big
amp
Another YES for silicon. We have used it for years. A very thin coat
will last a long time. I have seen the gooey mess for heated vaseline
more than once.
Larry
On Dec 2, 2009, at 4:01 PM, wind...@wind-sun.com wrote:
Vaseline simply is not very good for battery terminals. The melting
poin
I wish I understood this bus bar use better. Electrically, these seem to be the
same thing. But by using the bus bar, there has to be more cables, cable ends,
and connection points. And cost.
I just drew a battery bank (see below link to graphic), three series strings in
parallel. On the negat
e: [RE-wrenches] Strings and series of batteries
> To: "RE-wrenches"
> Date: Wednesday, December 2, 2009, 5:01 PM
> Vaseline simply is not very good for
> battery terminals. The melting point is too low. There are
> other things that are much better, such as some high
> te
umVB/
..
- Original Message -
From: "R Ray Walters"
To: "RE-wrenches"
Sent: Wednesday, December 02, 2009 11:48 AM
Subject: Re: [RE-wrenches] Strings and series of batteries
We cut a hole in the lid of the Vaseline can, and have a tooth brush stuck
in
for apply
Walt
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Chris Worcester
Sent: Wednesday, December 02, 2009 2:47 PM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Strings and series of batteries
I&#
02, 2009 2:19 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Strings and series of batteries
Darryl,
The process of paralleling through buss bars means attaching each serial
string to a pair of buss bars rather than to neighboring series pairs so
batteries aren't passing current through each oth
have been done traditionally.
Tom
--
From: "Darryl Thayer"
Sent: Wednesday, December 02, 2009 12:04 PM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] Strings and series of batteries
No, Tom I am not sure that I know the difference betw
:
> From: Tom Elliot
> Subject: Re: [RE-wrenches] Strings and series of batteries
> To: "RE-wrenches"
> Date: Wednesday, December 2, 2009, 2:00 PM
> Darryl,
>
> Do you understand the difference between paralleling the
> "traditional"
> off-grid way throug
ot;
Sent: Wednesday, December 02, 2009 8:26 AM
To: "RE-wrenches"
Subject: Re: [RE-wrenches] Strings and series of batteries
I know that C&D battery does not like parallel strings and they have a
device that measures the currents in each string
I investigated a fire from a bat
nclosure where fumes will accumulate.
>Jim Duncan
>North Texas Renewable Energy Inc
>817.917.0527
>nt...@earthlink.net
>www.ntrei.com
>
>
>- Original Message ----- From: "Richard L Ratico"
>
>To:
>Sent: Tuesday, Decem
We cut a hole in the lid of the Vaseline can, and have a tooth brush stuck in
for applying the goo.
R. Walters
r...@solarray.com
Solar Engineer
On Dec 2, 2009, at 10:28 AM, Allan Sindelar wrote:
> Years ago we began using Quick-Cote terminal corrosion protector. At about
> $12 a can it has beco
an I?).
DT
--- On Wed, 12/2/09, Tom Elliot wrote:
> From: Tom Elliot
> Subject: Re: [RE-wrenches] Strings and series of batteries
> To: "RE-wrenches"
> Date: Wednesday, December 2, 2009, 11:58 AM
>
> Message
>
>
>
>
>
>
>
>
nly one or two series
strings is high enough to be a concern. Then there's also the not un-trivial
issue of handling large batteries safely.
From: Tump
Sent: Wednesday, December 02, 2009 2:32 AM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Strings and series of batterie
to:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Chris
Worcester
Sent: Wednesday, December 02, 2009 9:45 AM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Strings and series of batteries
This is similar to what I've been doing for a long time, I use high temp
lithium based
lto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of North Texas
Renewable Energy Inc
Sent: Wednesday, December 02, 2009 7:03 AM
To: RE-wrenches
Subject: [RE-wrenches] Strings and series of batteries
Petroleum jelly does work as you say to keep oxygen away from the metal
surfaces but its melt
-- Original Message -
From: "Richard L Ratico"
To:
Sent: Tuesday, December 01, 2009 5:00 PM
Subject: Re: [RE-wrenches] Strings and series of batteries
Perhaps off topic, it's been said here previously by others, but is worth
repeating, good old Vaseline, coating all exposed me
ler / Installer"
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dana
Sent: Tuesday, December 01, 2009 12:58 PM
To: 'RE-wrenches'
Subject: [RE-wrenches] Strings and series of batteries
On a
Vaseline is great, but I wouldn't put it on all "exposed metal surfaces',
though.
The battery parts themselves (the lead) never have a problem, so just the
copper and the bolting hardware need the treatment.
R. Walters
r...@solarray.com
Solar Engineer
On Dec 1, 2009, at 4:00 PM, Richard L R
On that note heat the Vaseline to about smoking and brush it on. It gives
you a thin coat without all the lumps and gobs of slop. I also clean and dip
the cable ends in the can, Nice smooth coating and no corrosion for years.
The hotter the better.
The occasional hating yourself while having to cl
Perhaps off topic, it's been said here previously by others, but is worth
repeating, good old Vaseline, coating all exposed metal surfaces at battery
terminals, totally eliminates the corrosion issue. It's benign, inexpensive and
available everywhere.
Dick
Solarwind Electric
--- You wrote:
Yes,
un.com/ForumVB/
..
- Original Message -
From: Dana
To: 'RE-wrenches'
Sent: Tuesday, December 01, 2009 10:57 AM
Subject: [RE-wrenches] Strings and series of batteries
On a similar subject here -
Long ago, I had a Trojan battery rep. state that they did not like to see
m
On a similar subject here -
Long ago, I had a Trojan battery rep. state that they did not like to see
more than [12] L-16s in a series -parallel bank system. This was due to too
many points of connection / resistance and bad communication due to
multiple flow paths.
Has anyone else heard
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