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Главная » Журналы » Transformer elementary form 1 ... 33 34 35 36 37 38 Capacitance, amplifier transformer, 147, 150, 164, 166, 196, 211, 216 calculation, 170, 176, 211, 219, 311 distributed, 104, 179, 232, 312, 324 effective, 171, 220, 302, 321 filament transformer, 67 filter, 64, 117, 125, 134 layer-to-layer, 171, 176, 215 measurement, 173, 324 pulse transformer, 294, 298, ЗИ, 320 reactor, 103, 233 rectifier anode transformer, 118 vacuum tube, 174, 216 Capacitive current, 166, 244, 252, 308, 313 Capacitive reactance (Xc), 116, 123 transformer, 150, 159 Capacitor charging current, 63, 112 Capacitor effect, 123 Capacitor-input filters, 63, 126 Carrier frequency, 214, 255 Cathode follower, 181, 199, 213 ( Center tap, anode transformer, 75 Characteristic (;urves, amplifier anode, 155, 169 rectifier, 61 Characteristi< impedance, 145, 184 Choke, see Reactor Class (of amplifier), 142, 163 Class A grid load, 147, 150, 174 Clearance, coil, 38, 71, 77, 311 Clipping, 292 Coaxial coils, 215, 228 Coefficient of coupling, 224, 234, 330 (>)ercive force, 23, 310 Coil bulging, 38 (oil clearance, 38, 73 Coil form, 38, 73, 79 Coil insulation, 35 Coil interleaving, 75, 164, 171, 212, 219, 321 Coil orientation, 203 Coil resonant frequency, 151,174,232, 314 Coil section, anode transformer, 75 balanced windings, 164 filament transformer, 72 low layer voltage, 212 pulse transformer, 321 symmetry, 219, 222 Coil taping, 46 Coils, treatment of, 49 Combined anode and filament transformer, 79 Commutation reactance, 120, 128 Concentric windings, 38, 72, 75, 79, 84, 164, 171 212 219, 321 Conpernik, 34 Control circuit, thvratron, 241 Copper loss, 55, 73, 78, 84, 109, 213, 290, 322 Copper weight, calculation, 73 Core area, reactor, 91, 289 transformer, 10, 70, 75, 171, 175, 211, 317 Core dimensions, 72, S3, 85, 91, 175, 289, 320 Core gap, 19, 88, 175, 189, 211, 285, 309 Core gap loss, 190, 200, 213 Core loss, 55, 73, 81, 313 curve, 27, 29, 32, 81, 188, 216, 218 400 and 800 cycles, 81 high frequency, 216, 218 oscillator, 202, 212 ()re-loss current, 9 Core saturation, 92, 198, 247, 259, 309 Core tongue, 17, 72, 164 Core-type transformer, 18, 164, 204, 311, 321 Core window, 17 Core window height, 18, 101, 248 Cores, type C, assemblies, 20 description, 18 Corona, audible, 14 effects, 50 measurement, 14 tests, 44, 110 voltage, 73 Coupling, critical, 226 CoupUng capacitor, 192, 200, 209 Coupling coefficient (k), 224, 234, 330 Coupling, inductive, 224, 234 Creepage curves, oil, 52 Oeepage distanc(\ air, 46, 48 Cross-connected coils, 249 Current, magnetizing, 9, 26, 130, 161, 199, 253, 299, 336 Current density, curve for, 35, 86 Current distribution, coil, 151, 234, 312 Current feedback, 181, 209 Currcnt inrush, 130 Current interruption, 103, 132, 196, 252 Current-limiting transformer, 248 Current transductors, 272 Current wave form, 10, 16, 63, 120, 244, 261, 315, 339, 343 Cut-off, amplifier, 140, 269 frequency, 182, 193 Decibels, 144 attenuation, 183 frequency respcnise, 145 hum reduction, 205 Deflection coil, 340, 342 Degeneration, 330 Demodulation, 254 Design, amplifier transformer, 174 anode transformer, 77 audio oscillator, 212 audio transformer, 175, 211 carrier-frequency transformer, 221 cathode follower, 213 800-cycle transformer, 82 filament transformer, 71 magnetic amplifier, 265, 285, 288 modulation transformer, 211 pulse transformer, 317 reactor, 97 Design charts, 3, 84, 99, 136 Dielectric constant, 45, 172 Dielectric loss, 314 Dielectric strength, 43 Dimensions, aircraft apparatus, 81 coil, 38, 72 core, 72, 83, 91, 175, 289, 320 lamination, 55 Diode, 254, 331, 343 D-c flux, tiansformcr core, 105 Distortion, see Harmonic distortion Driver transformer, 199 Droop, pulse top, 297, 317 Eddy current, 23 Eddy-current loss, 9, 220 Efficiency, 14, 143 pulse transformer, 313 vs. rating, 54 Enamel wire, 2, 36 Pnclosure, degree of, 22 End cases, 22, 54 Equivalent air gap, alternate stacking, 99 Ecjuivalent circuit, amplifier, 141, 147, 170, 197 high magnetizing current, 11 plate modulation, 193, 197 pulse amplifier, 294 resistive load, 7 Equivalent impedance, 9, 192, 225 load, 8 Equivalent rcsi.stance, core-loss, 7, 9, 104, 147, 334 secondary load, 225 shunt and series, 189 Equivalent sphere, radius of, 57 Excitation volt-amperes, 28, 32 Exciter chokes, 200 Inciting current, 6, 9, 260, 269 Extension, insulation, 52 lead wire, 42 False echoes, 333 Feedback, inverse, 178, 209 magnetic amplifier, 268, 270 Ferrite, 33, 34, 217 Filament transformers, current limiting, 69, 248 design, 70 insulation, 67 low capac;itance, 67 multiwinding, 70, 88 regulation, 72 Filament voltage, 73 Filter, a-c line, 129 attenuation, Ul, 183 band-pass, 186 capacitor. 111, 182 capatitor effect, 123 capacitor-input, 63, 118, 243 characteristic impedance, 184 constant-K, 185 cut-off frequency, 182 design charts, 136 half-sections, 184 high-pass, 192 image impedance, 184 inductor design, 78 insertion loss, 185 key click, 131 keying, 96, 130 limitations, 184 load impedance, 184 low-pass, 182, 196 multistage, 114 oscillations, 128, 130 phase shift, 185 pi-section, 183, 192, 196 reactor-input, 62, 112, 240 rectifier. 111 rectifier, tuned, 127 series-tuned, 127 shunt-tuned, 127 source impedance, 185 T-section, 183 termination, 184 voltage drops, 118, 124 wave, 182 Filter charts, 133 Filter current, 125, 134 Fine wire corrosion, 22 Firing angle, 238, 274 Flat-top pulse, 294, 303, 325, 333 Flux, time variation of, 5, 247, 276 Flux density, see Induction Flux fringing, 97, 101, 190, 249 Flux Unkage, 1, 4, 76, 97 Flux path, current-limiting transformer, 248 divided, 17 peaking transformer, 246 pulse transformer, 310 reactor, 88, 262, 276 Flux penetration, 309 Fourier integral, 293 Fourier series, 114, 162 Frequency, power supply, 67, 80, 84 range, 3, 180, 222 r-f choke, 232 response, air-core transformer, 227 high-, 150, 196, 214, 306 low-, 146, 194, 305 zones, gage for various, 30 Full-wave rectifier, 63, 113, 240 Functional evaluation, 51 Fundamental transformer equation, 5 Gap, core, 88, 101, 188, 211, 285, 309 Gap loss, 191, 200, 213 Gauss, 34 Glass-covered wire, 84 Graded insulation, 75 Grain-oriented steel, core loss, 29, 77, 81, 188, 216, 309 in audio transformer, 198 in saturable rea(;tors, 33, 263 magnetization curves, 263, 286 maximum induction, 81 permeability, 29, 30, 34 saturation curve, 29, 263 thickness, 29, 81 thin-gage, 216, 286, 309, 320, 338 Grid bias voltage, 141, 238, 257, 330 Grid-controlled rectifier, 240 Grid current, 143, 199, 329 Grid excitation, 176 (jrid saturation, blocking oscillator, 330 class С oscillator, 202, 331 definition, 140 pulse amplifier, 292, 327 Grid voltage swing, 182, 212, 329 amplifier, 142 Half-wave rectifier, 63, 256, 282 Harmonic distortion, 153, 168, 178, 212 in non-linear loads, 258 measurement, 208 Harmonics, a-c line current, 128, 345 bridge, 106 magnetizing current, 161 pentode amplifier, 168 ripple, 114 Heat dissipation 54 Heat dissipation, area, 54 coil, 234 Heat run, 107 Henry, 91, 171, 21], 296 Hermetical sealing, 22 High-fidcfity modulator, 198 High-frequency current, power fine, 205 High-frequency response, 150, 196, 214, 306 High voltage, 3, 46, 67, 133, 243, 313 pulse transformer, 311, 319 Hipernik properties, 34 Hipersil, core, 34, 188, 285 eddy-current k)ss, 29 frequency zones, 30 hysteresis loss, 29 properties, 34 Hum measurement, 139 Hum reduction, 179, 204 Hum voltage, see Ripple Hybrid coil, 206 Hysteresis loop, 23, 24, 275, 277, 286 pulse, 308, 310, 324 reactor, 89, 94 Hysteresis loss, 9, 23 Ideal transformei, 12 Ignitron, 240 Impedance, chaiacteristic, 145, 184 complex, 224 etiuivalent, 9, 192, 225 high, 2, 161, 2J5, 223 image, 184 level, 2, 145, 317 load, 2, 145, 155, 161, 310 low, 2, 217, 223 matching, 144 mid-series, 184 mid-shunt, ISl non-linear, 314 r-f choke, 232 ratio, 141, 166, 298, 319, 337 source, 2, 145, 294 Impregnation, coil, 49, 77, 84 Imjjulse ratio, 110, 133 Incremental pernuiability, 25, 89 Induced voltage, 5, 75 test, 109 Inductance, bridge, 95, 107 critical, 126, 241 decrease of, 216, 260 formulas, 76, 97, 171 increase of, 94, 274 leakage, 3, 74, 76, 121, 164, 196, 222, 224, 290, 311, 330, 335 non-linear, 89, 242, 260, 274, 344 Inductance, open-circuit (OCL), 11, 149, 174, 192, 224, 297, 300, 318, 322, 333, 342 r-f choke, 232 reactor, 61, 209, 338, 344 saturated, 274, 344 Induction (B), curve, 23, 24, 29 filter choke, 97, 188 400- and 800-cycle, 80 high-frequency, 216 Hipersil, 29, 34 maximum, 24, 89, 275, 310 modulation transformer, 198 pulse, 308 reactor, 88, 97, 188, 263, 388 residual, 23, 130, 310 shunt, 247 sihcon steel, 29, 34, 97 Inductive reactance {Хь), 117, 241 Inductor, see Reactor Initial conditions, 295, 312 Initial current, 315 Initial voltage, 295 distribution, 245 Input transformer, 175, 202 Instability, grid-controlled rectifier, 240 Insulating channel, 46 Insulation, class, 41, 50, 81 extension (margin), 48, 52 graded, 75 high-voltage, 46, 52, 246 layer, 37, 38, 77 leads, 40 life, 43 margin, 48 materials, 41 oil, 51, 68, 133 operating temperature, 43 pulse transformer, 310 reactor, 96, 103, 133, 200, 287, 338 test, 109, 326 thickness, 45, 77, 101, 172, 321 Interleaving coil, 75, 310, 321 I-f transformer, 231 Interstage transformer, 176, 196 Inverse feedback, 178, 209 Key-chck filter, 131 Keyed wave, 131 Keying filter, 96, 131 Lamination, 175, 211 shape, 17 size, 55 space factor, 31, 83 stack, 55 Lamination, thickness, 17, 31, 83 Large air gaps, 97 Law of cooling, 57 Layer insulation, 39, 77 Layer voltage, 75, 245 L-C filter, see Filter, reactor-input Lead, anchoring, 40 location, 40, 311 Leakage flux, 6, 76, 164 Leakage inductance, see Inductance Leakage reactance, 11, 120, 147 drop, /X, 6, 108, 120 Line-matching transformer, 147, 175, 221 Line-voltage adjustment, 250 Linear sweep, 340 Litzendraht cable, 231 Load current, 6 rise, 315 Load line, amplifier, 157, 264 Load resistance, 134, 157, 197, 264 Load voltage, 7 Losses, 14, 55, 60, 81, 84; see also Core loss and Copper loss Low-frequency response, 146, 194, 305 Magnetic amplifier, bias, 275 bistable, 270 circuits, 278 current, 261 design, 285 feedback, 268 graphical performance, 262 half-wave control, 282 limitations, 290 response time, 267, 282 self-saturated, 273, 278 simple, 259 transfer curves, 266, 269, 271, 280 voltage, 261 Magnetic field, 202 Magnetic path, see Flux path Magnetic shunts, 247 Magnetic terms, 23 Magnetization curves, 262 Magnetizing current, 9, 26, 130, 161, 199, 253, 299, 336 large, 11 non-linear, 199, 246 pulse transformer, 300, 303, 313, 336 Magnetizing force (Я), 10, 23, 89, 264 Magnetron, 315, 326, 332 Margin, coil, 46, 72, 80, 101, 222, 311 Maximum power transfer, 226, 235, 331 Mean length of turn, 38, 71, 77, 166 Median frequency, 148 Mica, 321 Microhenry, 228, 320 Microsecond, 293, 302, 319 Mid-series impedance, 184 Mid-shmit impedance, 184 Modulation, 192, 329 filter, 96, 130 reactor, 192 transformer, 192, 211 Modulator, 192, 332 Moisture, sealing against, 22 Mountings, 22 Multilayer winding, 173, 220, 245 Multiple-<f)il winding, 35 Multiple-tuned circuits, 227 Multiple-wound coil, 77 Multiwinding transformers, 53, 72 Mumetal, 34 Mutual (!onductan(e (г/), 144, 182 variable, 257 Mutual inductance, 224, 228 Mutual reactance, 225 NEMA radio influence test, 44 Natural frequency, see Resonance Nicaloi, 34 Nickel-iron alloy, 30, 33, 34, 175, 263, 286, 309 core loss, 188 maximum induction, 34, 97 No-load loss, 320 Non-linear load, 199, 315, 331 Non-symmetrical windings, 222, 311 Normal magnetization curve, 24, 286, 308 Normal permeability, 24, 308 Normalized transfer curve, 280 Oersted, 29, 34, 275 Oil insulation, 51, 68, 133 Open-circuit impedance, 302 Open-circuit inductance (OCL), see Inductance Open-circuit reactance, 11, 147, 259 Open-circuit secondary, 147, 208, 249, 298 Open-delta connection, 84, 252 Operating temperature, 42 Oscillation, 179, 312 conditions for, 302 parasitic, 209 rectifier, 131, 240 superposed, 304, 314, 330, 333 Oscillator, transformer-coupled, 200, 212, 236 blocking, 329 Oscillatory circuit, pulse, 296, 300, 315, 325, 334 Oscillogram, кеусм! wave, 132 pulse, 304 Oscilloscope, 324, 327 Output power, 14, 139, 265 Overshoot voltage, 296, 303, 325 Pancake coils, 249 Parasitic oscillations, 209 Part coils, 79, 245 Partial resonance, 174, 307 Peak currtnt, 244 rectifier, 66, 82, 96, 127 Peak voltage, 241 Peaking transformer, 246 Pentode, 141, 167 amplifier transiormer, 168 characteristics, 169 distortion in, 170, 199 pulse amplifi(>r, 305 Permalloy, 34 Permeability (д), 24, 88 a-c, 26 d-c, 88 high-frequency, 217 incremental, 25, 89 pulse, 309, 323 various steels, 34 Phase angle, load, 194 transformer, 153, 255 Phase control, n;c1 ifier, 240 thyratron, 238 Phase-shift, amplifier, 180, 195 artificial line, 186 filter, 194 inverse feedback, 180 linear, 186 wave shape, 305, 331 Phase voltage, 121 Phases, effect on ripple, 114 power supply, ()2 Pi-filter, 183 Pic-section coils, 215 modulator, 191 Plate, see also entries tjeginning with. Anode Plate current, amplifier, 143, 166, 199 balance, 164 increase of, 166 Plate resistance, amplifier, 141, 160, 168, 182, 298 blocking os(;illator, 329 cathode followei-, 181 pentode, 169 sweep amplifier, 342 Plate transformer, center tap, 77, 113 thyratron, 237, 243 voltage drop, 78, 120 Plate voltage swing, 143, 160 Plate voltage wave form, 143 Polarity, voltage, 254 Polarity, winding, 13, 106, 260, 270, 327 Polyphase rectifiers, 135 Polyihase voltage unbalance, 84, 135, 252 Powdered iron v.ovc, 33, 191, 219 Power fact{)r, 14, 194 Power-line carrier, amplifier, 214 receiver, 258 Power Hue surges, 110, 132 Power supply frequency, 80, 118 Primary-primary coupling, 164 Pulse, blocking oscillator, 329 current, 306, 315 flat-top, 294, 297 front-edge, 295, 314, 318, 325 trailing-edge, 298, 330 Pulse duration, see Pulse width Pulse forming network (PFN), 331, 345 Pulse generator, magnetic, 344 Pulse inversion, 327 Pulse shape, see Pulse Pulse voltage, 317, 344 Pulse width, 294, 317, 344 Pulser, Hne-type, 331, 338 Push-pull amplifiers, 144, 163, 283 Q, 3, 106, 183, 188, 209, 338 air-core transformer, 227 filter reactor, 188 i-f coils, 231 R-f (;hoke, 233 R-f generator, 233 rt-f power supply, 235 Radio influence, 44, 205; see also Corona Random winding, 35 Ratings, continuous, 53 intermittent, 56 Ratios, air gap/core length, 91 amplifier voltage, 144, 145, 149 current, 6 extension/thickness, of insulation, 52 filter reactances, 116 impedance, 102, 134, 300, 319, 337 reactance/resistance, В = Xc/Ri, 150 reactance/resistance, D = Xc/Ri, 159 reactance/resistance, Xy/R, 148, 255 reactance/resistance, X\/R2, 158 ripple amplitude, 117, 241 source/load resistance, 147, 175, 295 turns, 1, 5, 7, 105, 141, 147, 152, 170, 176, 248, 258, 266, 268, 282, 295, 302 311 331 342 Ratios, voltage, 5, 6, 145, 149, 317, 319 Reactance (Xl), 115, 147 choke, critical, 126, 241 R-C filter, 118 Rea(>tive voltage drop (IX), 3, 6, 7, 120 Reactor, air gap, 88, 101 a-c flux density, 89, 262 a-c volts, 88, 265, 338 capacitance, 103, 200 charging, 338 core length, 88 core size, 90 design, 91, 97, 188, 265, 288 dimensions, 99 direct current, 88, 261 d-c flux density, 88 energy, 90 flux swing, 94 frequency range, 190 hysteresis loop, 89, 94, 275 impedance, 233 in high-voltage lead, 118 incremental permeability, 89 inductance, 90, 137, 182, 188, 230, 274, 338 IR drop, 77 input-filter, 61, 112, 241 insulation, 96, 103, 133, 200, 287, 338 linear, 97, 99, 338, 344 losses, 182, 188, 233 magnetizing force 89, 275 maximum flux density, 94, 99, 262 modulation, 192, 209 Q, 3, 183, 188, 209, 338 r-f, 233 saturable, 242, 259, 344 satmation, 88, 96, 200, 274, 344 single-layer, 233 surges in, 131 swinging, 96, 135 tuned, 127, 135 turns, 88, 99, 265, 289 winding resistance, 90, 100, 259, 289 Receiver rectifier, 79, 254 Rectangular ]julse, 294 Rectifier, capacitor-input filters, 63, 82 chaiacteristic curve, 61 circuits, 62 current, 63, 127 current wave, J 25, 128 efficiency, 138 invers(! peak voltage, 62, 287 load current, 124 load resistance, 126 losses, 138 output voltage, 77, 111 Rectifier, peak current, 127, 241 peak plate current, 66 polyphase, 113 connections, 62 phase voltage balance, 84 power supply current, 128 re;i;ulation, 78, 120, 124 resistance, 61, 281, 287 ripple voltage, 114, 119 amplitude, 115 attenuation, 111 series resistance, 120, 126, 128 single-phase full-wave, 63, 77, 82, 113, 240, 255 single-phase half-wave, 63, 79, 111, 239 voltage, 62, 77 drop, 60, 120 full-wave, 113 half-wave. 111 polyphase, 113 Reflections, wave, 184 Regeneration, 179 Regulation, 3, 13, 78, 85 autotransformer, 250 rectifier, 77, 118 voltage, 252 Reinforced end-turns, 313 Reliability, importance of, 2 Remote cut-off, 256 Repetition rate {FliF), 293, 314, 317, 338 Reset core, 274, 310 Residual induction, 23, 130, 310 Resistance, bridge, 106 load, 199, 264 Resistance vs. temperature, copper, 108 Resonance, choke, 200 r-f, 233 frequency, air-core transformer, 226 frequency, filter, 134 pulser, 338, 344 transformer, 150, 159, 165, 174, 307 partial, 174, 314 Resonant circuit, 252, 331, 344 Resonant peaks, 233, 236, 338 RETMA, 110 Ripple, HI current, 64, 124 voltage, 61, 115, 139, 241 Rms current, 15, 83 pulse, 321 rectifier, 62 Saturable reactor, 243, 344 Saturation, reactor, 88, 96, 260, 274, 344 Sawtooth transformer, 340 Scott connection, 252 Self-inductance, air-core coils, 224, 230 powdered-iron (юге, 231 single-layer coil, 230 Shell-type lamination, 17, 55 Shell-tvpe transformer, 17, 72, 164, 175, 205, 211, 219, 311 Shield, magnetic, 202 static, 204, 209, 220, 245 wire, 206 Short-circuit cunent, limiting, 248 rectifier, 120 test, 108 Short-circuit reactance, 11, 108 Short-circuit turns, 250 Sihcon steel, 27, 176, 211 core-loss, 27, 81, 188 maximum induction, 97 permeability, 30, 98 properties, 27, 34 saturation curve, 29, 262 Silicone, 43 Similitude, 102 Single-layer winding, 172, 219, 310 Single-phase rectifier, 63, 77, 111, 239, 255 Sinusoidal voltag(>, 6, 224, 276 Size, 3, 53, 149, 192, 224 autotransformer, 250 core, 85, 88, 198 400- and 800-cycle transformer, 80 Slope, front-edge, 316 pulse top, 297 sawtooth wave, 339 trailing-edge, 298, 329, 334 Solventless varnish, 50, 85, 311 Source impedance, 145, 294 Source resistance, 295, 313 Space (volume), 2, 22 Space factor, 31, 35 Spark gap, 133 Square wave, blocking o.scillator, 330 front, 294 test, 322 voltage, 294, 303, 325 Stacking dimension, 55, 72, 211 Standard test voltage, 109 Static shield, 204, 220, 245 Step-down transformer, 1, 152, 304 Step-up transformer, 1, 152, 221, 295 Surge voltag(!, 196, 243 pulse, 312 reactor, 103, 131, 209 Sweep circuit, 342 Sweep generator, 339 Symmetry, winding, 222, 311 Table, amplifier classes, 143 phase angle, 156 core steel properties, 34 current wave forms, 16 distortion, 160 800-cycle cores and insulation, 81 equivalent core gaps, 99 frequency response and wave shape, 307 harmonic magnetizing currents, 163 Hipersil core data, 31 paper-insulated coil data, 39 pulse winding capacitance, 311 radio influence voltage, 110 rectifier circuit data, 62 transfer curve, 281 transformer sizes, 85 wire sizes, 36 wire turns per square inch, 37 Tap-changing, 250 Taping, 46, 49 Telephone interference, 128, 205 Temperature, operating, 42 Temperature gradient, 55 Temperature rise, 22, 55, 59, 84 Terminal voltage, 9 Termination, filter, 184, 193 Test, amplifier, 208 corona, 44, 110, 327 d-(; resistance, 105, 322 insulation, 43, 109, 326 losses, 109, 313 OCL, 106, 322 polarity, 106, 327 pulse, 322 rectifier, 139 regulation, 107 temperature rise, 107 turns-ratio, 105, 322 Tetrode, 141 Thermal time constant, 56 Three-phase rectifier, 62 Three-phase transformer, 84 Thyratron, amplitude control, 239 critical grid voltage, 237 firing, 243, 332, 338 Thyratron transformer, 243 Time constant, front edge, 296, 303 thermal, 56 trailing edge, 298 Time delay, line, 186 Toroid, 192, 222, 285 Trailing-edge pulse, 298, 303, 320, 330, 334 Transient, amplifier, 164 backswing, 298 Transient, circuit response, 293 current, 96, 132 cyclic, 130 keying, 131 rectifier, 129, 133, 240 starting, 130, 134 voltage, 96, 131 Transistor, 170 Transmission band, 183 Transmission line, 133, 145, 294 Triode, 140 amplifier, 155 characteristics, 157 demodulation, 256 voltage gradients, 140 T-section filter, 182 Tuned amplifiei-, 142, 216 Tuning capacitors, 231 Turns per layer, 18, 77, 173 Turns-ratio bridge, 107 Two-dielectric effect, 45 Two-phase transformer, 84 Type С core, 18, 29, 75, 85, 99, 192, 321 Unbalanced direct current, 63, 166, 174 Undistorted power output (UFO), 147, 160 Unloaded transformer, 133, 147, 315, 325 Variable-mu, 256 Varnish, insulating, 50 VARS/lb, 26 Vector diagram, artificial line, 187 high magnetizing current, 11 rectifier phase control, 243, 254 resistive load, 7 Video frequencies, 223, 292 Voltage, high, 3, 46, 67, 133, 243, 313 operating, 46, 84 regulator, 252 rise, blocking oscillator, 330 pulse, 296, 303 reactor, 103, 131, 209 rectifier, 123, 287 stress, 311 Voltage change, rate of, 5, 276, 297 Voltage doublers, 67 Voltage droop, pulse, 299, 317 Voltage gradient, 140, 312 initial, 244, 312 Volt-ampere ratings, 53, 82, 85, 250 Volt-amperes, 14, 63, 80, 83, 234, 250 Volts per layer, 75, 245 Volts per turn, 5, 244, 264, 312 Wave filter, see Filter Wave form, current, 14, 198, 244, 261, 306, 315, 339 distortion, 105 voltage, 243, 255, 261, 273, 279, 303, 315, 339 Wave reflections, 184 Wave shape and frequency response, 2, Wide-band transformers, 222 Winding, balance, 164, 209 bulge, 72 capacitance, 147, 171, 219, 245 height, 38, 72, 77 interleaving, 75, 319 IR drop, 3, 6, 7, 73, 78, 120, 290 polarity, 13, 106, 260, 270, 327 Winding, primary, 4 reactance, 6, 189, 251, 259 resistance, 6, 7, 73, 146, 149, 189, 220, 251, 259, 281, 289, 322 air-core tiansformer, 225 high-frequency, 221 pulse transformer, 294 rotation, 219 secondary, 4 traverse, 219, 222 Wire, 34, 85 insulation, 35, 37, 41 tables, 36, 37, 39 tolerance, 105 Wound core, 18 Zigzag (;onner! ions, 62, 118 ELECTRONIC TRANSFORMERS AND CIRCUITS Reuben Lee Advisory Engineer Westinghouse Electric Corporation SECOND EDITION NEW YORK JOHN WILEY & SONS, INC. LONDON CHAPMAN & HALL, LIMITED 1 ... 33 34 35 36 37 38 |
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