1.

The currents in a 3-ϕ unbalanced system are: IR = (12 + j6) A; IY = (12 – j12) A; IB = (-15 + j10) A. Calculate positive sequence component of the R-phase current by considering RYB as phase sequence.

A. (-1.85 – j5.47) A
B. (10.85 + j 10.13) A
C. (3 + j5.47) A
D. (3 + j1.33) A
Answer» C. (3 + j5.47) A


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