INDEX 



Transmission lines, three-phase, 



i metrical spacing, 386 

 charging current, table of, 466 

 construction of, 401 

 corona, 393 

 insulators for, 401 

 lightning arresters for, 395 

 reactance of, 380 

 single-phase, 380 

 three-phase symmetrical, 382 

 single-phase calculations, 387 



vector diagram for, 388 

 single-phase railway, 378 

 structures for, 403 

 sub-stations for, 406 

 arrangement of, 410 

 automatic, 411 

 motor-generator, 407 

 out-door, 411 

 switches, 408 



synchronous converter, 407 

 transformer, 406 

 three-phase calculations, 388 

 unsymmetrical spacing of 



conductors, 387 

 voltages used for, 378 

 with large capacitance, 391 

 Triangle of vectors, 12 

 Trigonometric, formulas, 457 

 functions, 452 

 tables, 1 



sines :ni'i 458 



tangents and cotangents, 460 

 \vatts, 24 



"Tul. rmer, 217 



Tu ma phase-meter, 69 

 Tiirin.-ir n-rtilier, 338 

 I! lamps, 421 

 phase systems, 93 



measurement of power in. '.S 

 :IIIKI- winding, KM 

 Two-wattmeter method of n 

 ing- power, 89 



u 



Unity pow. IT, Wagner 



Type BK, 304 



Unsymmetrical spacing of con- 

 ductors on transmission 



line, 387 



V-connection of transformers, 213 

 V-curves for synchronous motor, 315 

 Vector diagrams, for alternate 



armature react ion, 134, 135, 



136 



lagging current. 139 

 leading current. 1 

 low po\\ . load, 159 



magnetomotive forces, 144 

 parallel operation, 167, 168 

 short-circuit. 148 

 synchronizing current, 165, 



168 



unity power-f actor, 137 

 delta connection, 84 

 induction, generator, 266, 268 



motor, 266 

 magnetomotive force method, 



155, 157 

 parallel circuits, 40, 48 



series, circuits, 36, 46 



resonance, 39 

 motor. 284 

 single-phase transmission lino, 



ass 

 synchronous, impedance 



method, 146 

 motor, 307 



effect of line impedance 

 on terminal voltage at, 



indu ige greater 



thin ' voltage, 



811 



induced voltage leas than 

 termin:il \oitage, 313 



three-phase system, 79 

 transformer, 180 



Hhort -circuited, 192 

 lifted, 183 



