TABLE OF CONTENTS. 
PART Il. 
PRINCIPLES OF DeEsicNn: Types of Alternators—Classifica- 
tion of Alternators—Characteristics and Efficiencies— 
MOTTE hs in ks dv cv cer cas sp eb ce ec e cee 
THe ARMATURE: Method of Building—Winding—Core— 
Ventilation—Slots—Insulation—Arrangement of Con- 
THe Macnet System: Poles—Magnet Wheels—Cycli- 
eal Variation Periodicity—Field Coils—Exciting Cur- 
rent—Material and Labor Costs................... 
CHARACTERISTIC Data: Kilowatts, Kilovolt-Amperes 
and Horsepower—Voltage and Current of Single-, Two- 
and Three-Phase Machines—Speed Frequency—Elec- 
trical Characteristics—Efficiency.................-... 
LossEs: Characteristic Losses—Constant and Variable 
Losses—Iron and Copper Losses—Excitation Losses. 
TESTING OF REGULATION: Open-Circuit Characteristics— 
Short Circuit Characteristics—Effect and Ratio of 
Armature and Field Ampere-Turns—Load Characteris- 
tic—Determination of Voltage Drop—Determination 
and Calculation of Inductive and Non-Inductive Regu- 
ES ROA By Sto oe 
TREATMENT OF THE MaGnetic Circuit: Magnetomotive 
Force—Calculation of Reluctance—Reluctance of 
Field System, Air-Gap, and Armature System—Reluc- 
tance of Leakage Paths—Armature Leakage—Leak- 
age Factor—Influence of Stray Field—Demagnetizing 
Effect of Armature Ampere-Turns—Magnetization 
PAGES. 
1-16 
16-24 
24-31 
31-40 
40-63 
65-80 
