None
Direct-current circuit with dis- tributed leakage, 465 generator, self-excitation, 32 railway, transient effective re- sistance, 386 as special case of general circuit equations, 471 Disappearance of transient term in alternating-current circuit, 43 Discharge of condenser, 51 Geissler tube, 9 inductive and condenser, as special case of general cir- cuit equations, 469 inductive, as wave, 602 into transmission line, 609 of motor field, 29 Displacement current, 421 Disruptive strength, numerical val- ues, 11 voltage in opening direct-cur- rent circuit, 26 Dissipation constant, 458 Distance attenuation constant, 500 in velocity measure, 501 Distortion constant, 458, 488 Distortionless circuit, 487, 507, 514 Distributed series capacity, 354 Distribution of alternating-current density in conductor, 375 of alternating magnetic flux in iron, 361 Divided circuit, general equations, 122 continuous-current circuit with- out capacity, 126 Duration of oscillation, as function of frequency, 624, 626, 631, 639 Dynamostatic machine, 226 E Effective current of condenser dis- charge, 70 voltage and power oscillating- current generator, 81 layer of alternating-current con- ductor, 385 penetration of alternating cur- rent in conductor, 382, 385 power of complex circuit, 581 of condenser oscillation, 70 reactance of armature reaction, 206 Effective resistance of alternating- current distribution in con- ductor, 376, 382 voltage of condenser oscillation, 70 Efficiency of condenser oscillation, 72 Electric circuit, general equations, 461 Electrolytes, resistivities, 8 Electrolytic rectifiers, 228 688 INDEX Electromagnetic, also see Magnetic. axis of electric field, 4 Electrostatic, also see Dielectric, axis of electric field, 4 energy of complex circuit, 584 field, energy of, 7 Elimination of pulsations in direct- current circuit by capacity, 134 Energy of complex circuit, 580 of condenser discharge, 70 dissipation constant, 458, 488, 494 of electric field, 4, 7 transfer in complex circuit, 574, 588 constant, 458, 488, 494 constant of complex circuit, 574 Equations, general, of electric circuit, 461 of circuit constants, affected by frequency, 619 Even harmonics of half wave oscillations, 550 Excite ion of motor field, 27 Expl function, equations, 668 relations, 669 approximations, 671 Exponential curve of starting current, 45 Extremely high frequencies, 624 Field current at armature short-circuit, 208 electric, of conductor, 3, 414 energy of, 4 velocity of propagation, 394 excitation, transient term, 27 exciting current, rise and decay, 17 regulation of generator by periodic transient terms, 229 resultant polyphase, 198 Finite velocity of electric field, 396 affecting circuit conditions, 617 Flattening of wave front, 646, 655 Floating system of control, 226 Flattening of wave front, 646, 655 Floating system of control, 226 Flattening of wave front with load, 149 Free oscillations, 498, 545 and standing waves, 549 Frequency, absence of effect on circuit oscillation, 10 affecting circuit constants, 615 and starting current, transformer, 182 and conductor constants, 420 constant of wave, 499 limit of condenser oscillation, 73 of condenser oscillation, 62, 68 equivalent, of wave front, 641 of field current at armature short-circuit, 209 of oscillation of condenser, transmission line, cable, 99, 344 of recurrence of discharge in oscillating-current generator, 81 of wave, 499 range of condenser oscillation, 71 electromagnetic induction, 67 Froehlich's formula of magnetism, Full-wave oscillation of complex circuit, 575 transmission line, 342 Fundamental frequency of oscillation, cables and transmission lines, 103, 105 Gas pipe, effective high frequency impedance, 434 General circuits with inductance and capacity, 174 without capacity, 168 equations of electric circuit, 461 Generators, direct-current overcompounded, building up, 149 self-excitation, 32 oscillating current, 74 German silver, effective penetration of alternating current, 385 Gradual approach to permanent value, 21 or logarithmic condenser charge and discharge, 53 term, also Logarithmic. Graphite, effective penetration of alternating current, grounded transmission line, Grounded transmission line, Half-wave oscillation, of complex circuit, transmission line, transmission line, Harmonics, even, of half-wave oscillation, High frequency alternators, momentary short-circuit current, Conductor, Conductor, oscillating currents by periodic transient terms, oscillations of cables and transmission lines, Power surge of low frequency, Stray field and starting current of transformer, Impact angle at transition point of wave, Impedance, effective, of high frequency conductor, of traveling wave, Mutual, rate of unequal current distribution, Impulse, see Impulse current, currents, lag, lead, nonperiodic and periodic, 476, 477 nonperiodic, equations, 485, 486, 490 periodic, equations, 492, 496 as special case of general circuit equations, 472, 475, 480 time displacement, 486, 494 tune impulse and space impulse, 489 power, 483 voltages, 483 Inductance and shunted capacity suppressing pulsations in direct-current circuit, 134 effective, of magnetic radiation, 401, 405 of high frequency conductor, 428 energy of complex circuit, 582 as function of frequency, 621 in telephone lines, 522, 529 massed, in circuit, 614 of conductor without return, 398 electric circuit, 12 section of infinitely long conductor, 398, 404 range in electric circuit, 13 representing magnetic component of electric field, 5 Induction, magnetic, and starting current of transformer, 180 motor circuit, starting, 44 Inductive discharges into  164 Infinitely long conductor, 311 Limit, see Power. Instantaneous power in complex circuit, 581 Insulators, resistivities, 9 Iron arc operated by oscillating current generator, 82 conductor at high frequency, 436 effective penetration of alternating current, 354 wire, current distribution, 376 and pipe, effective high frequency impedance, 434 Ironclad magnetic circuit, calculation of transient, 192 Lag of electric field behind current and voltage, 395 impulse current, 486, 494 Laminated iron, alternating magnetic flux, 361 pole series booster, response to voltage change, 158 Layer, effective, of alternating current conductor, 383 Lead of impulse current, 486, 494 Leakage, distributed, in direct current circuit, 465 in telephone lines, 522, 530 Length of wave, 499 Lighting circuit, starting, 27, 44 Lightning arrester, multigap, 354 conductors, 376 discharges, 420 in thunder cloud, 356 Limit condition of condenser equations, 50 of frequency of condenser oscillations, 73 Loading of telephone lines, 522 Local oscillations of cables and lines, 103, 105 Logarithmic decrement of condenser oscillation, 65 Or gradual condenser charge and discharge, 53 Start of condenser on alternating voltage, 95 Low frequency constants, 622, 624 Surge in cables and lines, 103, 105 Stray field and starting current of transformer, 189 Loxodromic spiral of starting current, 46 Magnetic, also see Electromagnetic,attenuation as function of frequency, 623 density and starting current of transformer, 180 energy of complex circuit, 582 field, energy of, 6 flux, alternating, in iron, 361, 367, 369, 371, 372, 373 materials, 10 saturation, numerical values, 10 Magnet poles, solid, as mutual inductive circuit, 155 Main axes of electric field, 46 wave at transition point, 598 Massed constants as special case of general circuit equations, 470 inductance and electric wave, 614 Mechanical rectification, 227, 235 Medium frequency constants, 622, 624 Mercury arc rect ifier, 256 Metallic conductors, resistivities, 8 magnetic induction, 10 Minimum wave length of oscillating currents, 74 Motor circuit, alternating, starting, 44 field, excitation, 27 Multipap lightning arrester, 354 Mutual impedance and velocity of propagation, 414 inductance, equations, 143 of two conductors at considerable distance, 414 and velocity of propagation, 414 inductive circuit with capacity, 161 without capacity, 144 of solid magnet poles, 155 impedance of magnetic radiation, 402, 416 reactance, 143 Natural impedance of circuit, 464 Nominal generated e.m.f. and short-circuit current, 206 Noninductive condenser circuit, 54 shunt to inductive circuit, 129 Non-oscillatory, see Gradual or Logarithmic. Non-periodic impulse currents. Also see "impulse currents," 476, 484 Open-circuit rectification, 236 Opening of cable or transmission line under load, 112, 118 of continuous-current circuit, 26 Open transmission line, 305 Oscillating-current generator, 69, 74 and charging current, 85 as special case of general circuit equations, 474 high-frequency currents by periodic transient terms, 226 Oscillation, also see Condenser discharge, duration, 624 free, of circuit, 498, 545 of rotating field in starting, 203 transmission line, 328, 339, 342, 344 Oscillatory approach to permanent value, 21 case of alternating circuit, 93 or trigonometric condenser charge and discharge, 53 start of condenser on alternating voltage, 95 Oscillograms of mercury arc rectifier, 270 of transformer starting current, 190 Output, also see Power. effective, of oscillating-current generator, 81 Overcompounded direct-current generator, building up, 149 Overlap of rectifying arcs, 257 Overreaching of condenser In noninductive branch of inductive circuit, 131 Oversaturated transformer flux of starting current, 181 Penetration, effective depth of, 391, 425 of alternating current in conductor, 382, 385 magnetic flux in iron, 367, 369, 371 Period of recurrence, 224 wave, 499 Period of recurrence, 224 wave, 499 Period of alternating current circuit, 91 values of electric quantities, 16 Permanents, as special case of general circuit equations, 465 Permeability, 9 apparent, of iron for alternating currents, 361, 373 Phase difference in transmission line, 302 Phase, of wave and transient term, 45, 91 Physical meaning of transient term. Pipe conductor, 437 Polyphase alternator short circuit, 208, 210 m.m.f., resultant, 198 rectification, 236 Potential regulation by periodic transient terms, 229 Power of complex circuit, 580 component of inductance in radiation, 400 factor of oscillation, as function of frequency, 631, 637 gradient of electric circuit, 3 electric field, 48 output, effective, of oscillating-current generator, 81 radiation, 404 transfer in complex circuit, 588 constant of complex circuit, 574 Propagation constant of wave, 508 speed of, of wave, 455 field, 394 Pulsation of rotating field in starting, 203 Pyroelectrolytes, resistivities, 9 Quarter-phase rectification, 236 Quarter-wave circuit, 319 oscillation, 550, 556 attenuation, 642 of complex circuit, 576 transmission line, 328 transformer, 318 transmission line, 312, 321 Quartic equation of divided circuit, 126 Radiation, resistance, inductance, etc., see Resistance, inductance, etc., effective, of radiation. . Rail, effective penetration of alternating currents, 385 return of single-phase system, 376 transient effective resistance, 386 Railway, direct-current, transient rail resistance, 386 motor, self-excitation as generator, 381 single-phase, rail return, 376 Rating of capacity and inductance, 122 resistors, reactors, condensers, 69 Ratio of currents, oscillating current generator, 82 Reactance, effective, of armature reaction, 206 of dielectric radiation, 412 of external field, 423, 429 of internal field, 206, 425, 429 of magnetic radiation, 400, 426 and frequency, 433, 620 high frequency, 429, 433 high frequency, 429, 433 radiation, 430, 433 unequal current distribution, 433 Reaction, armature, and short-circuit current, 205 Rectangular traveling wave, decay, 650 wave, attenuation, 641 Rectification, and commutation, 228 arc, 255 by periodic transient terms, 227 constant-current 236, 248 potential, 236, 242 mechanical, 235 open-circuit, 236 polyphase, 236 polyphase, 236 quarter-phase, 236 reversal or change of circuit connections, 227 Short-circuit, 236 Rectifier, mercury arc, 256 oscillograms, 270 Rectifying commutator, 228, 235 Recurrent transient terms, 224 Reflected waves, 497 at transition point, 594, 598 Reflection angle at transition point, 594 in direct-current circuit, 467 of wave, 592 Refraction law of wave, 601 of wave, 592 ratio at transition point, 601 Regulation of potential be periodic transient terms, 229 Remanent magnetism in starting transformer, 181 Resistance, and starting current of transformer, 185 effective, of alternating current conductor, 376, 382 as function of frequency, 430, 620, 631 of dielectric radiation, 410 high frequency, 429, 441 of magnetic radiation, 400, 405, 425, 426 of radiation, 430, 432 Thermal, 396, 429 of unequal current distribution, 425 of electric circuit, 12 low frequency, 423, 429 range in electric circuits, 13 ratio of unequal current distribution, 382 representing power gradient in electric field, 6 specific, see Resistivity. Turbo-alternators, short-circuit current, 201 Unequal alternating-current distribution in conductor, 376 current distribution in conductor, 423 resistance or impedance ratio, 382 affecting circuit constants, 616 transient current distribution in conductor, 386 Variation of circuit constants, 615 Velocity functions of electric field, equations, 667 numerical values, 675 relations and approximations, 669 Velocity, also see Speed. measure of distance, 501 of propagation of electric field, 394 Voltage control by transient terms, 229 transformation at transition point of wave, 596 variation of direct-current generator, with load, 149 Voltmeter across inductive circuit, pulsation, 132 Water, effective penetration of alternating current, 385 Wave of alternating magnetism in iron, 365 Wave, decay in transmission lines, 626 direct or main, and reflected, 497 front constant of impulse, 488 equivalent frequency, 641 flattening, 646 WATER, , 655 length of alternating magnetic flux in iron, 367, 371 constant, 500 of electric field, 394 minimum, of oscillating current, 74 transmission, 287 Wireless telegraphy, 395 X-ray apparatus, equations, 82 UNIVERSITY OF CALIFORNIA LIBRARY BERKELEY Return to desk from which borrowed. This book is DUE on the last date stamped below. FURNISHING FRICTION IRRARY NOV 7 1951 DEC 1 1 1951 52 1952 DEC 18 DEC 6 JUN 5 - 1956 MR. TIGETT LD 21-100m-9, 48(B399sl6)476 JYC 33414. 