Re: Solar Panels - connecting one array to tweo isolated battery banks
- From: "Nate" <nsaptaemcpcrnonof@xxxxxxxxxx>
- Date: Mon, 17 Jul 2006 21:30:17 GMT
"Nate" <nsaptaemcpcrnonof@xxxxxxxxxx> wrote in message
news:EjSug.131824$dW3.53140@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
It stands to reason that I can't connect the solar panel charge reulator
to the input of my battery isolator. The regulator would not be able to
read the condition of the battery and would render the regulator useless.
I can hook the regulator to the one of the output posts and charge one
bank at a time. I could use a switch to switch the regulator to either
bank.
So then I started thinking again. I have two regulators. One is digital
and rated for 22 amps. One is solid state, but not digital. It has a
single red LED that shows if it is charging, and that's all. It is rated
for 8 amps. Would it be OK to hook the output of the array to the inputs
of both regulators at the same time? If one bank is low and creates a
drain, the regulator for that bank should use the available power. The
regulator for the charged bank should use less of the available watts or
amps from the array.
Will power flow backwards through the regulator? If so, that would tie
the two banks together effectivly...which means this idea won't work.
Nate
It appears this won't work. The charge controller stops the charge by short
circuiting the inputs. So if one bank is full and shorts the inputs, the
other controller will get no voltage...since the voltage follows the path of
least resistance.
I'll have to use two separate arrays with their own controller hooked to an
independent battery bank. Not a big deal.
Nate
.
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