INDEX 



The numbers refer to paragraphs 



Algebraic expression for a vector, 35 



Alternating E.M.F.s, the production of, 

 16 



Alternators, 16 



, types of, 17 



Ampere, the, 4 



Apparent power, 28 



Application of vector algebra to alter- 

 nating-current problems, 40 



Armature, 17 



reaction, 18, 88 



Barr, J. M., 63 



Beeton, S., 63 



Blakesley, T. H., Appendix E. 



Calculation of copper circuits of trans- 

 formers, 67 



of eddy-current losses, 61 



of hysteresis losses, 77 



of iron circuits of transformers, 68 



Capacity, 10 



in alternating current circuits, 44, 



45 



Choking coils, 56 



, design of, 58 



Condensers, 10 



Conductance, 108 



Conventions for measuring field strength, 

 3 



Converters, rotary, 118 



Correction factor of wattmeter, 131 



Current in inductive circuit with alttr- 

 nating P.D., 21, 42, 48, 45 



in inductive circuit with constant 



P.D., 20 



Currents, hysteretio energy, 59 



in line wires, 105 



, wattless, 59 



D 



Definition of lag, 39 



of lead, 39 



Design of choking coils, 58 



of transformers, 65 



Devices for starting induction motors, 

 110 



Difference of potential, 19 



Di-phase currents, 95 



motor, 103 



windings for stators, 101 



Distinction between induction and mag- 

 netizing force, 5 



Dynamometer method of measuring 

 power, 134 



E 



Eddy-current losses, 59 



, calculation of, 61 



Effect of shape of P.D. on the iron losses 

 in a transformer, 63 



Effects of magnetic leakage in trans- 

 formers, 70 



Efficiencies of transformers, methods of 

 testing, 72 



Electric current in circuit containing 

 capacity, 23 



containing inductance 



and capacity in series, 24 



in a single inductive circuit, 15 



currents in parallel circuits con- 

 taining inductance and capacity, 25 



in two mutually inductive 



circuits, 15 



Electro-dynamometers, 26 



Electromotive force of mutual induc- 

 tion, 13 



of self-induction, 13 



Electrostatic unit of quantity of elec- 

 tricity, 8 



voltmeters, 26 



Elements of vector ulgebra, 32 



Equipotential surfaces, 9 



