why 3 phase why not 4 or 5 phase

why power generation is done in 3 phase why power generation is not done in 4 phase or 5 phase

  • Akhil
  • 11 Apr
  • 65117 Views
  • 23 Answers
Your Answer

Let's start with 2 phase why not 2 phase ? for 2 phase there need to be 2 alternator to be operated in parallel. As in 3 phase power transmitted is more than 2 phase. So 2 phase supply is not preferred. Now for 4 phase, or 6 phase we need 4 or 6 alternators to be operated in parallel and the generation region is large. As these alternators are installed at large places and measures are taken for their cooling also. So generation region required in 4 or 6 phase is large.. So 3 phase is the only optimal solution.

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