Tiêu đề Industrial Drives Nov 2023.pdf ✅

|Time: 3:00 lours Q.1 ii. (a) 36 A (a) Source (l) (b) Motor(HT) iii. iv. All questions are compulsory. (H V. Vi. Marks are mentioncd on the right s de of cnch qucstion. (3j# 2t va ào qrS 3 3ifod hùt (a) Capacitor Start motor SEM-IV Diploma Exam 2023 (Even) (Ele trical Engincering) (Theory) Int. ustrial Drives (2020405-P) vii. Choose the most suitable ansy rcr the following aptions. Which of the following is uscd to wuild a clcctric drivc? 9A 3r ) (f) Group (A) g4-) (a) Plugging (b) 35 A Calculate the avcragc inductor cu rent of the Boost converter if thc load currcnt is 7A and duty cyclc valuc is 0.8: Which typc of mcthod is known a:.resistancc start motor? Ward-Lconard systcm of system f spccd control is not rçcommended for: (a) constant spccd opcration (b) Wido sjced (a) Split phasc typc What are clcctric drives? ($Gitai^I^A FT?) (a) Engincs of 2-whcclers (b) Laptop: (c) Control unit(-420| yPe) () All of the above(34y4T T) (b) Split plhasc motor (c)34 A Roll No: (c)Two valuc capacitor motor The polarity of back c.m.f changes in which of the method? (c) frequcnt-motor.reverscd (b) Shadcd pole typc (c) Robotics (b) Regenerativc braking (c) Dynamic braking () Capacitor start typc Page 1 of 5 [Max. Marks:70| (d) 31 A The type of single phase induction motor having highest power factor at full load is: 6B189 ECO9ACI75A3C3ABF706D6BEA3A (d) shaded pole motor (d) very slow spccd (1"20-20) (d) Botha &c (d) Rhcostatic braking (d) Capacitor run type (2020405S-P) Way to Polytechnic