458 INDEX 



PAGE 



Frequency, meaning of ... 196-231 



used on various eonmiercial circuit* 196 



Fringe, pole 99 



Fuses 409 



Gauss, unit of magnetic field strength 15 



Generated e.m.f. in a moving conductor Jl 



Generator, ulternat inn current 229 



romjKHind 13S 



continuous current 93 



efficiency of 187 



electric, definit ion of 242 



excitation of a 103, 232 



losses : 188 



operation of a-c., in parallel 260 



operation of c-c., in parallel 140-146 



rating of an a-c., in kilovolt-amperes 251 



regulation of 135 



series 131 



shunt 132 



three-wire 135 



turbo- 230 



Gram-calorie 11 



Growth of current in a condenser 218 



Harmonics, upper, in an e.m.f. wave 198 



Heat, average rate of generation of, by an alternating cm-rent .... 200 



amount of, generated by a continuous current 11 



Heating effect of an electric current 2 



Heating, of the armature coils of a synchronous converter 376 



of a dynamo electric machine at the anrature H2 



bearings HI 



commutator 442 



field coils 442 



High voltage used for transmission lines 277 



Horsepower, value of, in watts 187 



Hunting of a synchronous motor 327 



Hysteresis, meaning of s 19 



occurrence of, in dynamo-electric machines 20 



loss, variation of, in dynamo-electric machines 190 



Impedance of an a-c. circuit 215 



