Alternating Current Machines: Being the Second Volume of Dynamo Electric Machinery, Its Construction, Design, and Operation

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D. Van Nostrand Company, 1911 - 353 стор.
 

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Зміст

E M F s in Series
20
Problems
25
CHAPTER II
26
Unit of SelfInductance
27
Practical Values of Inductances
29
Things which influence the Magnitude of L
30
Formula? for calculating Inductances
31
Growth of Current in an Inductive Circuit
33
Decay of Current in an Inductive Circuit
34
Magnetic Energy of a started Current
36
Current produced by a Harmonic E M F in a Circuit having Resist ance and Inductance
37
Instantaneous Current produced by a Harmonic E M F in a Circuit having Resistance and Inductance
41
Choke Coils
44
Problems
47
ART FAGS
48
Connection of Condensers in Parallel and in Series
55
Phase Relations
61
CHAPTER IV
70
Instantaneous Current in a Circuit having Inductance Capacity
76
Damped Oscillations
82
Impedances in Series and in Parallel
90
Electromotive Force generated
96
Voltage and Current Relations in Threephase Systems
104
ART PAGS 46 Voltage and Current Relations in FourPhase Systems
106
Measurement of Power
107
Saturation
113
Regulation
116
E M F and M M F Methods of calculating Regulation
119
Regulation for Constant Potential
124
Efficiency
133
Rating
135
xnductor Alternators
136
Revolving Field Alternators
139
SelfExciting Alternators
145
Problems
146
CHAPTER VI
149
The Ideal Transformer
151
Core Flux
154
Transformer Losses
156
Exciting Current
159
Equivalent Resistance and Reactance of a Transformer
163
Copper Losses
165
Efficiency
166
Calculation of Equivalent Leakage Inductance
168
Regulation
173
Circle Diagram
179
Methods of connecting Transformers
181
Lighting Transformers
188
Cooling of Transformers
192
Constant Current Transformers
195

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