[ausev] Iota converter

[tomsmail at wtez.net]

I have a Geo Tracker with 12V battery and no DC-DC.  It works OK.  I use a standard automotive  battery and it lasts at least two full charge-discharge cycles of the main pack before I have to recharge it.  I've been caught once with dead battery and it was very irritating.

In the future I'll probably get a small DC-DC to supplement the aux battery.  I don't necessarily feel the need to size it to keep up with my average load.  I would call this a 'depletion' mode setup (if I may steal a term from the semiconductor industry) where the additional charge extends the effective range of the 12V battery just long enough to get the vehicle to work, charge it up while it sits in the parking lot, and then charge it up overnight while the main pack charges, etc..  another perspective.

Then again, I might get a solar panel to do the same thing...

Tom





--- blasseter.cmpe01 at gtalumni.org wrote:

From: Brian Lasseter <blasseter.cmpe01 at gtalumni.org>
To: George and Colleen Mullins <ckmullins at earthlink.net>,        AustinEV News Announcements and General Discussion <ausev at austinev.org>
Subject: Re: [ausev] Iota converter
Date: Wed, 30 Dec 2009 10:59:02 -0600

On Wed, Dec 30, 2009 at 9:42 AM, George and Colleen Mullins
<ckmullins at earthlink.net> wrote:
>
> Although a 30 Amp converter is adequate for lights,radio, and wipers it wouldn't be big enough for additial loads. I'm thinking that I might want to add a heater(with fan) in the future. Maybe the CanEV type. Back the drawing board!


The CanadaEV heaters use high voltage... or at least mine uses the
full 144V of the traction battery pack.  That is much more useful than
a 12V electric heater.


-- 
TTFN,
Brian "Lasso" Lasseter

"No Sane man will dance."   -Cicero (106-43 B.C.)
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