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

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   Message 2,156 of 2,576   
   Vaughn Simon to All   
   Re: refrigerator on inverter   
   11 Sep 18 18:08:03   
   
   From: vaughnsimon@gmail.com   
      
   On 9/11/2018 3:39 PM, danny burstein wrote:   
   In my experience, there are three possible problems with refrigerators   
   on inverters:   
   1) Some refrigerators don't like square wave and modified square wave   
   inverters.  You don't know until you try.   
      
   2) The inverter must be big enough to handle the compressor starting   
   current, which may be several times its running current.   
      
   3) As already mentioned, the defrost cycle on a frost free refrigerator   
   or freezer can cause a very heavy load because of the defrost heaters.   
   I have seen 800 watts!   
      
   Really, you don't know for sure until you have tried a particular   
   refrigerator with a particular inverter.   
      
   Vaughn   
      
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