At 12:16 -0700 30/11/11, Larry Crutcher,
Here's a scenario: Sun is up and voltage rises slowly to the
diversion controller set point. PWM starts and maintains the
voltage. Current continues to increase but the load is keeping the
voltage constant until the controller is overloaded.
I think th
nches-boun...@lists.re-wrenches.org
> [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Larry
> Crutcher, Starlight Solar Power Systems
> Sent: Wednesday, November 30, 2011 8:49 AM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Diversion load for AC coupled system
>
boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Larry Crutcher,
Starlight Solar Power Systems
Sent: Wednesday, November 30, 2011 8:49 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Diversion load for AC coupled system
David,
Ah..I think I see what you are sa
David,
Ah..I think I see what you are saying. But, don't you mean .2 volts lower than
the diversion load? That way there will only be limited current left for the
diversion controller to handle. If it is the other way, what stops full current
from flowing through the diversion controller if the
Thanks Kent, Kirpal, Jay, Hugh, Et al,
At 3.8kW, each TS-60 will divert up to 34 amps @ 56 volts, well under 75%. I
will have isolated loads for each controller. Kent, what am I overestimating?
One concern about two controllers is that if one has a lower turn on voltage
than the other, the tota
At 18:38 -0800 29/11/11, jay peltz wrote:
Hi Kent,
You can't parallel them.
They each must have their own load.
But you can connect two Tristars to the same battery, each with its
own load and this is normal recommended practice.
The two controllers may not agree exactly about when to move
Larry,
If you need a bigger diversion than a Tristar can handle, you can use a relay
controlled by the auxiliary output of a charge control or inverter and have the
relay close when the voltage is 0.2 volts higher than the diversion voltage.
You can switch on a load that is 50 to 75 % of the di
Hi Kent,
You can't parallel them.
They each must have their own load.
This is a good thing, you get to step the dump load and not have 3.8 kw hit at
once.
Yes you can only load them to around 75% of their rating, so the 45 amps on the
60 is good.
Jerry makes good loads.
jay
peltz power
On
Larry,
I think Magnum's recommendation is more about proper battery charging
than safety.
I'll second Kirpal's and Jeremy's recommendations for loads. The Tristar
is probably the best choice for this job, but you are overestimating
what you can do with it and paralleling two may have some co
How about a Dump Load for the Whisper 500. One for each TS60. We have had good
luck with this on our wind gen set up (Skystream) 2.4 kw peak charging betteries
Jeremy
--Original Message--
From: Larry Crutcher, Starlight Solar Power Systems
Sender: re-wrenches-boun...@lists.re-wrenches.or
Hey Larryyou might try getting ahold of Jerry Ostermeyer over at
Alternative Power and Machine in Grants Pass ORtheir website is:
www.apmhydro.com
They make diversion loads for their hydro units that can easily handle the
3800 watts of solar you want to divert.
Good luck.
--
Sunny Rega
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