The impedance coils, each having a resistance

Posted on 2014-01-08 14:27:00 in Engineering by JOHN&SON

The impedance coils, each having a resistance of 20? and reactance of 15? are connected in star to a 400 – V, 3-phase, 50-Hz system. Calculate (i) the line current (ii) the power supplied and (ii) the power supplied and (iii) the power factor.

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