Mike Billat's posts

Posted by Mike Billat on Sep 12, 2006 10:15 pm

#1 -  Renewable Energy > Technical Discussion: Other > Re: Power Inverter Faults, what am I doing wrong?
The way I'd like it to work is to have the inverter draw
directly from the Solar Panel when its generating electricity.  When the electricity isn't sufficient for the load then it would draw the necessary current from the batteries.

It just seems inefficent and wasteful of the battery to have to charge the battery before drawing current.

I'm not sure if I'm making sense.  I'm not saying I'd want the battery eliminated, just bypassed when appropriate.

Thanks for the help, I got my little system working!
 

Posted by Mike Billat on Sep 1, 2006 06:53 pm

#2 -  Renewable Energy > Technical Discussion: Other > Re: Power Inverter Faults, what am I doing wrong?
Ok, so is it just me or does it seem pretty inefficient to have to charge a battery and then draw power from the battery as opposed to sucking power straight from the PV.  Or, is the charging technology so efficient that there is little loss from going from PV to Battery.

Either way, thanks for the info I think Im set to join the Solar revolution.
 

Posted by Mike Billat on Sep 1, 2006 10:05 am

#3 -  Renewable Energy > Technical Discussion: Other > Re: Power Inverter Faults, what am I doing wrong?
First of all THANK YOU!  You're answers are really helping me get a grasp on this. 

I'm still curious I guess.  When I'm running a load off of the
charge controller, assuming there is lots of sunlight, will the power be drawn from the batteries or from the array.  I guess my concern is I'd like the batteries to be charged for low light conditions and to be bypassed if there is plenty of power comming from my array.

 

Posted by Mike Billat on Aug 31, 2006 09:10 pm

#4 -  Renewable Energy > Technical Discussion: Other > Re: Power Inverter Faults, what am I doing wrong?
Does this look like a standard system, if so, what kind of charge controller is this.  It seems reasonable to not always run off the batteries.


[Edited to make the picture viewable. Smiley -Nick ]
 

Posted by Mike Billat on Aug 31, 2006 06:24 pm

#5 -  Renewable Energy > Technical Discussion: Other > Power Inverter Faults, what am I doing wrong?
Ok, Im new to this.  I have a 53 Watt panel and the Open Circuit Voltage is 20 volts, the Voltage at max power is
14.5 volts.  My 12V power inverter shuts down when I hook it up because the voltage is too high at 20 volts. I can't use a 24 volt inverter because my voltage is too low.  What am I missing? 
 

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