توربي5- (A) For 4 e d.c. machine armature winding with a double layer progressiveSump wave winding with 21 number of slots answer the followinga-How many coils are present?b- What are the pole pitch and back pitch in terms of number of slots?What is the total number of armature conductors presents?d- What is commutator pitch in terms of commutator segments? -21 Noe- How many parallel paths are present?2slot(10 marks)(15 marks)(B)- Find the back, front and commutation pitch of 4-poles, 17 slots wave connected DC machine,if the selected developed windings diagram is duplex progressive.GOOD LUCK(10 marks)

Step 1: Step 2: Step 3: Step 4:

Answered: توربي 5- (A) For 4 e d.c. machine…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 8RQ

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