From: dhky@shaw.ca   
      
   On 21/11/2013 5:26 PM, Rheilly Phoull wrote:   
   > G'Day,   
   >   
   > Just thinking about the solar systems inverters and the grid tie.   
   > Why is the grid tie onto the consumer side of the main switch and not   
   > onto the grid ?? ( Meaning no solar power without mains )   
   > That way the consumer would have some power during an outage during   
   > daytime. The tie would still be controlled by the mains presence.   
   >   
   > Cheers ....... Rheilly   
      
   Probably the main breaker is automatically opened if there is an outage   
   on the mains. The utility doesn't want feedback from the solar system as   
   a safety precaution. Dangerous voltages could be present on the HV side   
   of the transformer- on supposedly dead lines.   
   --   
   Don Kelly   
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