In case of a ∆-connected source feeding a Y-connected load

Electrical Engineering MCQs on Three Phase Power Systems

In case of a ∆-connected source feeding a Y-connected load

  1. Each phase voltage equals the corresponding load voltage
  2. Each phase voltage equals the difference of the corresponding load voltages
  3. Each phase voltage is 60° Ωut of phase with the corresponding load voltage
  4. Each phase voltage is one-third the corresponding load voltage

Correct answer: 2. Each phase voltage equals the difference of the corresponding load voltages

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