vr3 charge voltage

For all issues involving the Smart Alternator Regulators, V1, V2 and V3

vr3 charge voltage

Postby Stim on Wed Dec 28, 2011 11:48 am

> Hi
> I'm planning to build a small dc marine genset, based on a nanni (kubota)
> 2.10 diesel, with one or two belt driven alternators and an exteranl
> regulator. The battery bank is 24v and 440ah of Dekka gels - these have a
> maximum charge voltage of 14.1v or 28.2v for us with 2 batteries in
> series.
> 2 questions-
> 1/ what is the range of bulk or absorbtion charge voltages for the vr3
> regulator? - ie can I confidently limit the charge voltage to 28.2v at 20 celcius and temperature compensate this - we will be spending lots of time in the tropics.
> 2/ would you advise a 2 alternator set up to avoid side loads on the crank
> shaft, or is this unneccesary?
> Thanks for your help
> Tim Dickinson
> s/v Bonaire
> Auckland
Stim
 
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Re: vr3 charge voltage

Postby Coulomb on Wed Dec 28, 2011 1:19 pm

The SARV3 has a selection for the East Penn gel batteries. Deka is one label they are sold under.

If you really want to charger them properly you'll use the Ample Power gel setting. See this URL:
http://www.amplepower.com/gel/index.html

Kubota engines that we use have a large rear crankshaft bearing and so side load from an alternator is not a problem.
Coulomb
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