Xll CONTENTS. 



CHAPTER IX. PAGE 



The Use of Sine Curves in Alternating-current Problems Effect of Higher 



Harmonics 74 



CHAPTER X. 



Choking Coils for Non-inductive and Inductive Circuits Design of 



Choking Coils 83 



CHAPTER XL 



Transformer on Open Secondary Circuit Hysteresis Loss Eddy-current 

 Loss Lamination of Core Transformer working under Load 

 Calculation of Eddy-current Loss Effect of Shape of P.D. Curve on 

 Iron Losses Tests of Transformers 91 



CHAPTER XII. 



Design of Transformers Effects of Magnetic Leakage Core Laminations 

 Methods of testing Transformers Calculation of Hysteresis Loss 

 Regulation of Transformers Insulation and Temperature Tests . . 110 



CHAPTER XIII. 



Synchronous Motors Method of synchronizing a Power Plant consisting 



of Generator and Motor Armature Reaction Stability of Plant . . 126 



CHAPTER XIV. 



Polyphase Currents Generators Combination of Currents Production 

 of Rotary Magnetic Fields Intensity of Rotary Field Induction 

 Motors Starting Devices for Induction Motors Structure and Per- 

 formance of Induction Motors 143 



CHAPTER XV. 



Polyphase Transformers Phase Transformers and Rotary Converters . 171 



CHAPTER XVI. 



Different Systems of Transmission of Energy Comparison of Costs of 



Transmission Lines with Different Systems 181 



CHAPTER XVII. 



Measurement of Power The Wattmeter Three-voltmeter Method 

 Three-ammeter Method A Dynamometer Method Measurement of 

 Power in Tri-phase Circuits 186 



APPENDICES 199 



INDEX 209 



