توربي 5- (A) For 4 e d.c. machine armature winding with a double layer progressive Sump wave winding with 21 number of slots answer the following a-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 No e- How many parallel paths are present? 2 slot (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)
توربي 5- (A) For 4 e d.c. machine armature winding with a double layer progressive Sump wave winding with 21 number of slots answer the following a-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 No e- How many parallel paths are present? 2 slot (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)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:توربي
5- (A) For 4 e d.c. machine armature winding with a double layer progressive
Sump wave winding with 21 number of slots answer the following
a-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 No
e- How many parallel paths are present?
2
slot
(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)
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