Rotating Batteries and Burning Bushes [RE-wrenches]

[Andrew Bortz]

Tom,

Can you direct me to any documentation of the bus bar setup on the web, or
perhaps in a particular Home Power article etc. (specifically drawings,
specs., or schematics)?  If I can save my clients with L16s a few thousand
with some hunks of aluminum (or Stainless Steel), I'd like to get to it.

Andrew Bortz
Oregonian

----- Original Message -----
From: "Tom Elliot, Guffey Energy Works" <telliot at wagonmaker.com>
To: <RE-wrenches at topica.com>
Sent: Thursday, June 27, 2002 5:21 PM
Subject: Re: Rotating Batteries and Burning Bushes [RE-wrenches]


> You can avoid a lot of that by not installing any series/parallel battery
> banks.  The big UPS and standby power battery installations all use main
> buss bars for their parallel connections.  By doing that you even out
> current draw from each series string rather than having the draw spread
> unevenly over a series/parallel connection.
>
> Different series strings in series/parallel get loaded and unloaded at
> different rates.  My bank of L-16s failed prematurely, though maintained
> faithfully, because of their series/parallel arrangement.
>
> I now use AGMs with a main buss bar arrangement.  It's been running for
only
> a year but I'm impressed with the stability and the ease with which it can
> be serviced if need be.
>
> Tom Elliot
>
>
> ----- Original Message -----
> From: "Tom Lane, Energy Conservation Services" <tom at ecs-solar.com>
> To: <RE-wrenches at topica.com>
> Sent: Thursday, June 27, 2002 8:40 AM
> Subject: Rotating Batteries and Burning Bushes [RE-wrenches]
>
>
> I have noticed a swelling at the terminals on the first and last Trojan
L-16
> in 48 volt battery banks. In some cases I have had to replace battery #1
and
> #8 and #1 and #4 in a 24 volt bank. A German engineer who works with
diesel
> engines and trace invertors on large systems recommends rotating
batteries.
> All my batteries use 40 cable from all the + to - on the batteries. I
asked
> Richard Perez about the swelling phenomenon at MREA last week. HE said
that
> the first and last battery with large draws from an inverter have a
> capcitator type of effect and he suggests rotating batteries if invertors
> are used. He said that larger the cables - the worse the effect. One come
> systems in the past I have rotated #1 and #8 with #4 and #5.
>
> NOTE: All batteries had plenty of water that had the swelling problem. And
> feedback on rotating batteries? Richard said he would write an article on
> this.
>
> The MREA Fair was great - it was nice to meat other old gray beards who
have
> been rolling the sun up the hill for so many years. It got me juiced up in
> the age of deadly global burning BUSHES and other Texas homegrown dopes
> transplanted to Florida.
>
> -Gator Tom
>
> PS: One water miser cap's benefit is that you can check the water level
> without removing the cap. Hydrocaps sometime turn to charcoal dust when
> equalized. Hydrocaps are sandwiched carbon cylinders with a platinum
screen.
>
>
> [Non-text portions of this message have been removed]
>
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