backup generator hookup

4 Posts
Jul 26, 2010 07:23 pm
backup generator hookup

Hello All
I am putting in my off grid system, it will be a 3kw wind turbine with a 3 kw solar system, set up to a battery bank.

I want to have a back up generator for those rare occaisions that there is no wind or sun. 

Should I have the generator hooked to the charge controller to charge the batteries or directly to an inverter to power the home.

Thank You

351 Posts
Jul 28, 2010 06:42 pm
Re: backup generator hookup

Don’t tie the generator to the charge controller, a generator will burn up a solar controller.

You didn’t say what model inverter you have, or are considering.  Some off grid inverters have a good charging circuit in them. You can run house loads and simultaneously charge the batteries from a generator.

Depending on the size of your bank and what inverter you choose, you may want to consider a large battery charger run by the generator.

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