jay,
The diversion control has nothing to do with battery current, it is to control voltage. Without it, over-voltage will occur anytime more charge current is available than the battery is accepting. A healthy small battery bank current can be as low as 0.6 amperes for flooded and AGM or GEL technology as low as 0.1 amperes.
Larry Crutcher
Starlight Solar Power Systems
-------- Original Message --------
Subject: Re: [RE-wrenches] Hydro Diversion Controls
From: jay peltz <[email protected]>
Date: Thu, November 22, 2012 12:22 pm
To: RE-wrenches <[email protected]>
Hi William
If the hydro is only 2 amps, I would argue that you don't diversion at all.
The float current expect for a really small battery bank is higher than that.
So unless you want/need it for some other reason, I would not install one.
jay
peltz power
On Nov 22, 2012, at 11:18 AM, William Miller wrote:
> David:
>
> Interesting idea. The added benefit is if the relay gets stuck, it won't destroy the battery bank.
>
> The diversion load must equal or exceed the output of the hydro, correct? The load we have will draw 38 amps at 24 vdc, the hydro will put out 2 amps. Sounds like I have enough headroom
>
> Thanks again to all of you.
>
> William
>
> At 08:32 PM 11/21/2012, David Katz wrote:
>
>> William,
>> I always connect the hydro side of the diode to the diversion load with the contactor, so I don't pull the battery down while regulating. The diversion load must draw enough current to pull the hydro voltage below the absorb voltage. Use ohms law to calculate the resistance.
>> David Katz
>
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