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Old 28-07-2018, 06:54   #1
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Join Date: Nov 2016
Location: Toronto - ON - Canada
Boat: Bayfield 36 Cutter
Posts: 53
Solar + Wind charge controller setup

Hello everyone,

I am installing a 600w max wind generator + 2x100w semi-flex solar panels. I canít decide about the optimum charge controller configuration.

Option 1 Ė a hybrid charge controller for wind and solar (singe battery bank feed a serious disadvantage?)

Option 2 Ė Separate charge controllers for wind and solar (mppt)

Option 3 Ė Separate charge controller for wind + each solar panel has it's own separate mppt charge controller

Any thoughts?

Thanks in advance,

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Old 28-07-2018, 07:03   #2
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Join Date: Jan 2014
Location: Martinique
Boat: Fortuna Island Spirit 40
Posts: 2,296
Re: Solar + Wind charge controller setup

Our boat has option 3. I prefer it as it provides redundancy and the most harvest. However, it is the most expensive option.

Because you have such a small amount of solar I don't think and MPPT for each panel makes sense (unless you have money to burn). I would just put those 2 panels in parrallel to a Victon MPPT charge controller.

Depending on what kind of wind generator you have, you can usually find fairly cheap wind controllers on e-bay. We have been using a $50 Chinese one for about 9 months and are quite happy with it. Its just a PWM one, but it has auto braking function and works very well.
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Old 28-07-2018, 08:37   #3
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Boat: Rafiki 37
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Re: Solar + Wind charge controller setup

I have #2 on our boat with 400 watts solar and a 400 watt wind gen. Two controllers. Solar is in four panels, all parallel, run to a single Victron MPPT (100/30). Simple, effective.

I think having each panel on itís own controller might produce more amps, but at a higher cost, and far greater complexity.
Why go fast, when you can go slow.
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solar, wind

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