Three equal impedances each having a resistance of 20 2 and reactance of 15 Q are connected in star to a 400 V, 3-phase, 50 Hz system. Calculate : (1) The line current, (iii) The power consumed. (ii) The power factor, and [Ans. 9.24 A ; 0.8 (lag); 5120 W]

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Three equal impedances each having a resistance of 20 2 and reactance of 15 Q are connected in star to
a 400 V, 3-phase, 50 Hz system. Calculate :
(1) The line current,
(iii) The power consumed.
(ii) The power factor, and
[Ans. 9.24 A ; 0.8 (lag); 5120 W]
Transcribed Image Text:Three equal impedances each having a resistance of 20 2 and reactance of 15 Q are connected in star to a 400 V, 3-phase, 50 Hz system. Calculate : (1) The line current, (iii) The power consumed. (ii) The power factor, and [Ans. 9.24 A ; 0.8 (lag); 5120 W]
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