Page 1027 - Industrial Power Engineering and Applications Handbook

972 Index
termination, cables, 548 fasteners, 907 tuning reactors, 852
test response spectrum (TRS), 447 induction motors, 8 turbine pumps, 170-1
testing: motors, 3545, 1767 turns per coil, 575
authorities, 183 output, 8 two-pole circuit breakers, 681
bus systems, 951-8 Total Quality Management (TQM), 249 type tests:
capacitor units, 82743 totally enclosed fan-cooled (TEFC) capacitor units, 83941
control transformers, 491-4 motors, 21 electrical machines, 251-2
dielectric property verification, 260 totally enclosed tube ventilated (TETV) metal enclosed bus systems, 953, 954-
electric motors, 1-240 motors, 26 8
electrical machines, 245, 250-69 touch voltages, 704-5, 712-14 metal enclosed switchgear assemblies,
enclosures, 957 TOV capability, 608-9 422-35
equipment, 449-50 determination, 605-7, 608 transformers. 4934
impulse voltage withstand, 954 gapless surge arresters, 605-9
instrument transformers, 4914 TQM see Total Quality Management
insulation, 225 traction type couplings, 199 UHV system classification, 736
metal enclosed assemblies, 419-54 transferences, surge arresters, 621-3 uncompensated transmission lines, 785-9
metal enclosed bus systems, 951-8 transformers: underground systems, 660-3, 730-1
nozzles, 269 application, 455-96 unfavourable conditions, 275-9, 283-7
painting, 408-9 control, testing, 4914 see also hazardous locations
purposes, 250-1 core-balanced current type, 685-8 units, 324
quality systems philosophy, 421 dynamic currents, 488-90 universal motors, 29, 32
switchgear assemblies, 419-54 formulac, 496 unrestricted ground fault protection, 690
tolerances, 266 instrument, 455-96
transformers, 4914 momentary peak currents, 488-90
voltage transformers, 49 1-3 mounting, 686-8 V-belts, 206-10
voltages, 260 residual voltage, 4604 correction factors, 21 1
surges, 578 selection, 455-96 cross section selection, 207
TETV see totally enclosed tube ventilated short-time factors, 489 formulae, 2 17
motors short-time rating, 488-90 pitch lengths, 213
textile motors, 167-8 standards, 495 power ratings, 208
thermal: surge transference, 599-604 service factors, 210
blast techniques, 642-3 test requirements, 491-4 standards, 216
curves, 59-64 types, 457 VA burden:
overcurrent relays, 283, 284, 285-6 see also current transformers; voltage current transformers, 4734
power stations, 186-9, 241-2 transformers voltage transformers, 467-8
ratings, 364 transient recovery voltage (TRV), 132, vacuum circuit breakers, 643-6, 65 1-5
stability, 83940 568-9 vacuum contactors, 311-12,315
stresses, 818-19 induction motors, 561 vacuum pressure impregnation, 2234
time constants, 56 motors, 572-7 vane control, 135
withstand time, 44-8 steep-fronted, 572-7 variahle speed fluid couplings, 14.5, 148-
see also temperatures transient-free switching, 758, 805 50, 201-2
thermistors, 302-7 transients: variable-filling couplings, 199-201
thermocouples, 305, 307 overhead lines, 558-9 vector control, 103-1 1
thermosetting plastics, 369 severity determination, 577-8 see also phasor control
Thevenin’s theorem, 610 stability, 558-9, 802-3 velocity of propagation definition, 564-5
three-phase four-wire systems, 683-4 voltage surges, 558 vertical bus systems, 861-2
throttle control, 135, 136, 138 transistors, 112-14, 118 vertical hollow shaft squirrel cage motors,
through-fault condition, 481 bipolar, 1 13- 14, 125 172
thrust loads, bearings, 212 Darlington. 112-13 vibration:
thyristor-controlled reactors (TCRs), 804- transmission: bus systems, 872
7 belt drives, 202-1 1 measurement tests, 258-9, 259
thyristor-switched capacitor banks (TSC), lines, 785-9, 790-2 motors, 177-8
804-7 loads, 195-217 probes, 308
thyristors: network layouts, 347 switchgear assemblies, 363
circuit comparison, 120 networks, typical, 727 virtual current chopping, 648
commutation, 116 surge arresters, 6067 volatile liquid classification, 179
conduction, 116 system circuit diagrams, 358-9 voltage:
control, 114-16 see also individual couplings applying up to 200 I84
inverter units, 122-5 travelling wave reflection, 597-9 dielectric tests, 260
reactors, 804-7 triacs, 116 drop, 544-7, 872-3
rectifier converters, 120 triple harmonic generation, 740, 741, 742 gradients, 704-7
switched capacitor banks, 804-7 tripping, 569 limits, 10
transistor comparison, 1 18 switchgear assemblies, 364-5 rating, 759-60
time history of earthquakes, 439,440 TRS see test response spectrum system classification, 736
time of start-up, 414 trunking system endurance, 958 tests, 262
tolerable step voltages, 704 TRV see transient recovery voltage variations, 10-17, 834
tolerable touch voltages, 704-5 TSC see thyristor-switched capacitor ZnO surge arresters, 593
tolerances, 2334, 269 banks vollage source iriverlrrr (VSI), 125
torque: tubular busbar properties, 923 voltage surges, 553-722
accelerating, 189 tubular conductor skin effects, 938-9 causes, 555,559-60