Question: A symmetrical 3 phase, 3 wire, 440 V system supplies an unbalanced Y connected load of impedances ???????? = 5 ?

A symmetrical 3 – phase, 3 – wire, 440 – V system supplies an unbalanced
Y – connected load of impedances ???????? = 5 ? 300 ? ; ???????? = 10 ? 450 ? ; ???????? =
10 ? 600 ?. Phase sequence is ???? ? ???? ? ????. Calculate in the rectangular complex
form the symmetrical components of the currents in the R – line.
Round off up to 4th decimal place.

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