Q4 (10 Marks)
Calculations
MET • Written Exam
(a) Sketch and describe a Star-Delta starter for starting an induction motor (10)
(b) Three similar coils, each having a resistance of 10 ohms and an inductance of 0.02 H are connected in
(i) Star
(ii) Delta to a 3-phase, 50-Hz supply with 500V.
Calculate the total power absorbed and the line current in each case. (6)
Appeared In:
Dec 2023