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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 5,940 of 7,706   
   PeterD to galderan1@gmail.com   
   Re: How do I hook up a 3 phase generator   
   24 Nov 07 08:56:47   
   
   7def4e44   
   From: peter2@hipson.net   
      
   On Sat, 24 Nov 2007 00:59:43 -0800 (PST), galderan1@gmail.com wrote:   
      
      
   >>   
   >Sorry, I missed part of the tag,, it says V 208/120 above the 18/75,   
   >so I guess it would be 7.5, but there isn't a . on the tag. Typo   
   >maybe. So the 240 isn't unusual? and my well pump won't be damaged by   
   >having the power slightly out of phase? Would it be a good idea to get   
   >another breaker box and hook up some of the load to the third leg?   
   >Spread the load? Or do I not need to worry?   
      
   "slightly out of phase" ?    
      
   This could get confusing, as at least from my point of view, I can't   
   tell if it is out of phase or not. Depends (like the previous posts   
   say) whether it is wired delta or wye. If delta and that is tapped   
   then it is not out of phase. If wye, and you are using two of the   
   phases, then things could get bad. Depends on the pump.   
      
   Were this me, I'd perhaps put a scope on the outputs and view the   
   phase angles that way (there may be better ways, but that's what would   
   be easy for me to do). If they are truely out of phase, I'd check with   
   the maker of the pump motor to see what they recommend.   
      
   (The 120/240 implies that they are in phase to me...)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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