Page 443 - Power Electronics Handbook

432 Index

Differential Electrochemical, 414
amplifier, 105 forming, 414
mode, 100, 105 Electrolysis, 414
signal, 105 Electrolyte, 414
Diffusion, 5, 9 Electromagnet. 367, 401
constant, 14 Electromagnetic
Diode compatibility, 99
curve, I8 interference, 99
free-wheeling, 21, 425 shielding, 85, 105
pump, 217 waves, 99
rotating field, 402 Electromechanical contactors. 128, 374
starting, 294 Electron
Dipole current, 102 bonds, 13
Direct as. frequency converter, 140, diffusion constant, 15
22 1 Electronic
Direct flux, 392 commutator, advantages, 384
Discontinuous current, 123.178, 166 commutator d.c. motor, 381
Displacement factor, 210, 238 ignition, 412
Distortion factor, 238 switch, 387
DMOS, 37, 380 Electrons, 12, 13
Domestic applications, 80 Electroplating, 414
Donor, 12 Electrostatic shielding. 85
Dopant, I1 EMC
Doping, 9, 424 measurement, 117
Double bevel, 15 standards, 113
Double-bridge controller, 363 EMI. 99
Double-diffused, 21. 37 generation, 101
Double-star transformer, 228 shield design, 110
Drain voltage, 33 shielding concepts, 106
Drifting breakdown, 16 shielding techniques, 105
Drive circuitry, 46 soutces. 100
Droop, 86,406 susceptibility, 105
Dual-in-line, 86, 93 Emergency lighting, 361
Duty cycle, 30 Emissivity, 67
dvldt, 44, 126, 163, 243. 424 Emitter lip resistance, 47
Dwell period, 337 Enhancement mode, 32
Dynamic Envelope cycloconverter, 222. 232
braking, 367, 404 EPAS, 413
characteristics, 20 Epi-base, 31
impedance, 55 Epitaxial
operation, 56 diode, 23
growth, 7
layer, 5, 54
Equivalent circuit
Earthing strategy, 103 of chopper, 275
Eddy current clutch, 401 of heatsink, 63
Edge bevelling, 15 of IGBT, 37
Effective Error function, 10
inductance, 257 Excitation field
loss resistance, 343 speed control, 397
power factor, 340 strength control, 395
Electrical Extended
braking, 263 firing pulse, 2 I7
machine, elements, 364 pulse, 75
machine control, 363 External clutch control, 401