Academics – Electro-Technology : 2017/OCT/03
Question
Q3. A star connected three phase load has a coil of resistance 50 Ω and inductance of 0.1 H in each phase. The load is connected to a three phase, 440 V, 60 Hz supply.
Calculate EACH of the following:
(a) The line current; (5)
(b) The power factor of the load; (4)
(c) The value of each of three identical delta connected capacitors which if connected in parallel with this load will raise the overall power factor to unity. (7)
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