engineering recuitment UPCL AE (E&M) 2021 Mock Test Power Systems PU System and Symmetrical Components
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.
1
(-1.85 – j5.47) A
2
(10.85 + j 10.13) A
3
(3 + j5.47) A
4
(3 + j1.33) A