Question: A three-phase load impedance consists of a balanced wye in parallel with a balanced delta. What is the equivalent wye load and what is the

A three-phase load impedance consists of a balanced wye in parallel with a balanced delta. What is the equivalent wye load and what is the equivalent delta load if the phase impedances of the wye and delta are 6 + j3 Ω and 15 + j10 Ω, respectively?

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