Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 29, Problem 3RQ
To determine
The three types of armature windings
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What is the plex of an armature winding?
(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.
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
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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- Explain the following armature winding terminologies (i)commutator Pitch (ii)Coil Side (iii)Pole Pitcharrow_forwardWhat is armature winding? What is its history of discovery? give some examples and uses of it.arrow_forwardWhat 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
- A four-pole lap-wound DC machine armature has 54 slots with single-turn coils. How many armature conductors are required if there are two coil sides per slot?arrow_forwardExplain the following Armature Winding Terminologies (i) Coil Span (ii) Resultant Pitcharrow_forwardFor 6 polar D.C machine armature has 36 number of slots and the type of winding is a double layer simplex lap winding. a. How many coils are present? b. What is the coil span in terms of number of slots? c. If each coil has 4 turns, then what is the total number of armature conductors presents? d. How many parallel paths will be their in the armature? e. Altogether how many brushes will be their?arrow_forward
- Create 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_forwardIs this armature winding a progressive or a retro-progressive winding? W N Select one: 2 B 4' O a. Both O b. Progressive OC. Neither O d. Retro-progressive B Sarrow_forwardQ choose the correct answer: 1-Brushless excitation system consisting of.... a- Stator field winding and power diodes b-stator and rotor field winding and capacitor c- stator and rotor field winding and capacitor d- Everything mentioned in the options 2- Voltage generated per phase in an alternator is proportional to a- Flux per pole b- Number of turns in armature c-Winding factors d- Everything mentioned in the options e- Frequency of waveform 3- If input mech. Power of SG constant, the functionality of AVR is a- Control flux of rotor b-Control terminal voltage c- Control flux and terminal voltage d-Control Load anglearrow_forward
- A 10 pole lap wound DC armature has a total of 200 conductors each with a current carrying capacity of 10 A. The average induced emf per conductor is 10 V. The power rating of the DC machine isarrow_forwardResistance of armature winding. (1) Kilo Ohm Resistance of shunt field winding. Resistance of series field winding. DISCUSSION 1- From the above measurements compare between the values of armature , shunt and series windings.arrow_forwardA 12 pole generator has a lap wound armature with 78 slots with 40 conductors per slot. Then the total number of armature conductors are ............... Answerarrow_forward
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