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   alt.energy.homepower      Electrical part of living of the grid      2,576 messages   

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   Message 2,029 of 2,576   
   Vaughn to danny burstein   
   Re: inverter with dual (battery and util   
   13 Jul 15 07:42:38   
   
   From: vaughnsimon@gmail.com   
      
   On 7/13/2015 1:10 AM, danny burstein wrote:   
   > Concept: I'd have a solar charged battery   
   > array. As long as the batteries were reasonably   
   > "full", the inverter would draw power from   
   > them and feed it out the outlets.   
      
   The normal solution is to forget batteries altogether and use grid tie   
   inverters.  That way, your panels automatically supply all the power   
   they are capable of at any given moment.  If your house needs more than   
   that, it comes from the grid.  Should your panels produce excess power,   
   it feeds back to your utility to offset part of your power bill.   
      
   The prime disadvantage of this setup is that your system is useless as a   
   source of emergency power.   
      
   We live in hurricane country, so I have taken a different tack.  For my   
   little solar system, I don't use inverters at all.  Instead, I have   
   created a limited 12-volt system.  It runs my yard lights and a few   
   lights in my house that we use every day.  The battery is also the   
   starting battery for our emergency generator.  (You can buy some very   
   nice CFL or LED 12 volt light bulbs that are made for the marine and RV   
   market.)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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