None
of alternator, 273, 288 Shunted condensance and lagging current, 72 Silent discharge from line, 174 Single-phase cable, topographical characteristic, 42 circuit equivalent to polyphase system, 448 efficiency, 466 induction motor, 245 system, 398 Slip of induction motor, 208 Spheres, dielectric field, 164 Stability of induction motor, 238 Star connection of polyphase system, 415 current in polyphase system, 417 voltage in polyphase system, 417 Starting devices of single-phase in- duction motor, 245 torque of induction motor, 223 single-phase induction motor, 252 Susceptance, 55 of circuit with inductive line, 82 480 INDEX Susceptance, effective, 112 Susceptivity, dielectric, 153, 160 Symbolic expression of power, 181 Symmetrical polyphase system, 396 Synchronizing power of alternators, 294 Synchronous condenser, 339 converter for phase control, 98 impedance of alternator, 277 machine as shunted susceptance, 96 motor, fundamental equation, 316 for phase control, 98 supplied by distorted wave, 389 reactance of alternator, 262, 272 watts as torque, 233 T connection of transformers, 427 Terminal voltage of alternator, 263 Tertiary circuit with condenser, single-phase induction mo- tor, 249 Third harmonic, 369 in three-phase system, 364 Three-phase line, topographic char- acteristic, 43 quarter-phase transformation, 423 system, 397 efficiency, 466 voltage drop, 41 transformer, wave distortion, 363 Three-wire single-phase system, effi- ciency, 466 Time constant, 3 and crank diagram, comparison, 51 diagram of alternating wave, 48 Topographic characteristic of cable and line, 42 Torque as double frequency vector, 185 efficiency of induction motor, 234 Torque of induction motor, 216, 219, 223 single-phase induction motor, 248, 252 Transformation by two transform- ers, of polyphase systems, 422 Transformer, 187 diagram, 26, 30 equivalent circuit, 202 Transmission line, see Line Treble peak wave, 370 Triple harmonic, see Third harmonic True power of generator wave, sym- bolic, 382 Unbalanced polyphase system, 397 quarter-phase system, 463 three-phase system, 461 Unequal current distribution in con- ductor, 144 Unsymmetrical hysteresis cycle, 135 polyphase system, 396 V connection of transformers on three-phase system, 427 Vector power, 179 Virtual generated e.m.f.