Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 29, Problem 8RQ
How is the series field connected in relation to the armature?
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Explain the following armature winding terminologies
(i)commutator Pitch
(ii)Coil Side
(iii)Pole Pitch
In DC machine winding, number of
commutator segments is equal to
number of armature coil sides
) number of armature coils
) number of armature conductors
) number of armature turns
5. A 12-pole armature wound simplex lap has 1620 conductors. Each conductor has a
resistance of 0.1 and generates an average voltage of 0.66 V. The conductors are rated 8 A.
Find:
(a) The armature resistance
(b) The armature voltage
(c) The rated armature current
(d) The rated power of the armature
Chapter 29 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 29 - What is a generator?Ch. 29 - Prob. 2RQCh. 29 - Prob. 3RQCh. 29 - Prob. 4RQCh. 29 - What are interpoles, and what is their purpose?Ch. 29 - How are interpoles connected in relation to the...Ch. 29 - Prob. 7RQCh. 29 - How is the series field connected in relation to...Ch. 29 - How is the shunt field connected in relation to...Ch. 29 - What is armature reaction?
Ch. 29 - What is armature reaction proportional to?Ch. 29 - What are eddy currents?Ch. 29 - What condition characterizes overcompounding?Ch. 29 - What is the function of the shunt field rheostat?Ch. 29 - Explain the difference between cumulative- and...Ch. 29 - Explain the difference between cumulative- and...Ch. 29 - What three factors determine the amount of output...Ch. 29 - What is the voltage regulation of a DC generator...Ch. 29 - Prob. 19RQCh. 29 - Prob. 20RQCh. 29 - You are working as an electrician in a large steel...
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- What is armature winding? What is its history of discovery? give some examples and uses of it.arrow_forwardCan you explain why there is an armature voltage even when the field current is zero?arrow_forward(ii) What are compensating windings and what function do they serve? Explain how they work and why they are connected in series with the armature.arrow_forward
- What type of Power Losses does windage loss, bearing and brush friction loss is considered? a Stray Losses b Armature Losses c core Losses d Copper Lossesarrow_forwardCreate a winding table for the given armature: Winding 1: 4 pole, 11 slots, 11 commutator segments, double layer, progressive, simplex WAVE winding Show the solutionsarrow_forwardthe armature mmf can be -2 reduced by reluctance of the magnetic the circuit in the region of the pole .tip a) Increasing, O b) decreasing O c) don't put Oarrow_forward
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