Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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(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.
What are compensating windings and what function do they serve? Explain how they work and why they are connected in series with the armature.
1. How may the number of parallel paths in an armature be increased ?
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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- Please explain why an armature voltage exists even when there is no flow of electricity through the field.arrow_forwardThe resistance of armature winding depends on length of conductor cross-sectional area of the conductor O number of conductors all of the abovearrow_forwardExplain the following armature winding terminologies (i)commutator Pitch (ii)Coil Side (iii)Pole Pitcharrow_forward
- 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 turnsarrow_forwardHow is the series field connected in relation to the armature?arrow_forwardHow many parallel paths are there in the windings of armatures that are wound. a. triplex-lap for six poles b. duplex-lap for eight polesarrow_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_forwardA 6 pole dc armature has simplex lap connected 720 conductors, 3 turns per coil and 4 coil-sides per slot. Determine the number of slots in the armature.arrow_forwardThis is a question about coil winding.a)Look at the diagram in FIGURE1. Describe the path for one loop starting at 1’and ending at 1.b)What is the pole pitch of FIGURE 1?c)A 4 pole lap wound armature has 16 coils each with a resistance of 0.1 ohms.Calculate the resistance of the armaturearrow_forward
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