A 3-phase induction motor draws 1,000 kVA at a pf of 0.8 lag. A synchronous condenser is connected in parallel to draw an additional 750 kVA at a power factor of 0.6 lead. The pf of the total load supplied by the mains is
A. unity.
B. 0.707 lead.
C. 0.6 lag.
D. zero. [I.E.S. E.E.-II 2003]
Answer:A
A 3-phase induction motor draws 1,000 kVA at a pf of 0.8 lag. A synchronous condenser is connected in parallel to draw an additional 750 kVA at a power factor of 0.6 lead. The pf of the total load supplied by the mains is
A. unity. B. 0.707 lead. C. 0.6 lag. D. zero. [I.E.S. E.E.-II 2003]