From: arl_123234@hotmail.com   
      
   Hello, all, and a question especially for those who work in AC power   
   distribution:   
      
   One is provided with two line-line MV (assume 34/19.9 kV or less)   
   distribution lines (L1, L2) and a neutral (N).  IOW, 2 (L1-N & L2-N)   
   phases (e.g. 0 deg & 120 deg) are available sans 3.  On the LV side we   
   need a 4-wire wye (L1-N, L2-N & L3-N) that would provide, say, a 120/208   
   volt 3-phase service.  What is the minimum number of off-the-shelf   
   step-down transformers (assume appropriate kVA ratings) that would be   
   needed to accomplish this and how would the secondaries be   
   interconnected?  Thanks for your time and comment.  Sincerely,   
   --   
   J. B. Wood	            e-mail: arl_123234@hotmail.com   
      
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