Making a 3-Phase Transformer with 2 Single-Phase Transformers

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ensatus41
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Well we can make a three-phase transformer using THREE single-phase transformers, but is it possible to make one, using only TWO single-phase transformers?
 

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Nice. Thank you.
 
A Scott-T configuration will make 3 phase out of 2 phase. By 2 phase I mean actual real 90 degree out of phase 2 phase and NOT split phase.
 

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