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More than 3-phase system possible?

  1. Mar 7, 2010 #1
    hi all,

    Since there 1-phase,2-phase and 3-phase system is existing.Is it possible to have system more than 3-phases(theoretically and practically)?

    I think it is possible,is my opinion correct?
  2. jcsd
  3. Mar 7, 2010 #2


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    Last edited by a moderator: Apr 24, 2017
  4. Mar 11, 2010 #3
    both six-phase and twelve-phase systems are not unheard of, and are utilized in some very large DC converters. Six-phase converters may use a delta-wye transformer, which provides 30 degrees of phase displacement. Zig-zag transformers provide 90 degrees phase displacment.
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