Page 1022 - Industrial Power Engineering and Applications Handbook

index 967
torque. 1 08- I I standards. 48. 162. 3 I9 non-periodic duty. induction motors. 55
turn-off switches. I 15. 125 start-up. 43-4 non-segregated phase bus sptems, 859
voltage sources. I29 starting current effects, 40-1 non-sparking motor\. 1 X2
crane\. 168-9 starting frequency. 161 nonle te\ting, 269
critical installations. I 83-5 static control, 97-164 NTC thermistor\. 302-3
deep-well pumps. 170-5 \tator currents, 277
d.c drives. 147 steep-fronted TRVs. 572-7
direct torque control, 108-1 1 stopping frequency, 16 I OCR see overcurrent relays
duties. 19-68 sugar mill centrifuges, 169-70 oil circuit breakers. 632, 6334. 65 1-5
explo\ion-proof. I80 surface-cooled, 176 on-load start-up motor heating. 44
fault condition\. 279-83 \urge arresters. 615-17 open-circuit voltage ratio te\ts. 264
field-oriented control. 106-8 testing, 1-240 operating parameters, 500-3
flame-proof, I80 textile. 167-8 operating power factors. 766
tlux braking. I I1 thermal power stations, 186-9 operation theory, 5034
flux-oriented phasor control, I09 thermal withstand time, 44-8 opposing torque. electric motors. 11
tnrmulae, 48. 3 19-20 thermistor protection, 302-5 optical fibre cables (OFC). 739
generators. I 56-6 I time of start-up, 41-4 outdoor current transformers, 472
haiardous location\. 178-9 torque. 35-45 output\, induction motors, 63-5
heating. 43-6 total protection, 299-302 overcurrent relays (OCR). 285-6. 313-14
inching. 161 transient recovery voltage. 572-7 overhead:
increased safety. I XO-I triacs, I16 bus systems. 862. 863
induction. 3-34. 49-68 TRVs. 572-7 linea. 558-9
induction generators, 156-6 I turbine pumps, 170-1 overlaps. joints, 907-9
installation, 23 1-9 unfavourable conditions. 275-9 overspeed test\. 257
IS specifications. 250 bector control, 103-1 1 mervoltages. 553-722
logging. 161 vibration, 177-8 computation. 8 17- I 8
load torque. 35. 11 water-cooled, 307 formulae. 674-5
lockcd rotors. 29 I Zone specifications. 180-2 standards. 674
loom motors, 167. 16X see (i[.so electric motors; HT & LT temporary, 557-8. 657-75
maintenance, 23 1-9 motors; slip-ring induction theory. 659
rnill centrifuges. 169-70 motors; squirrel cage induction .\eo rdso circuit interrupten: \urge
mines. I82 nintors arresters; voltage \urges
monitoring operating conditions, 305 moulding compounds, 369
8 mounting:
no-load start-up. 44 busbars, 368. 897, 903-1 2 painting:
1101se. 177-8 conductors. 905 cleaning preparation\. 400-1
non-sparking, I82 current transformers, 686-8 controlgear a\\emblies. 400-1 7
on-load \tart-up. 44 induction motors, 20 curing. 4 IO
opposing torque. 41 insulation. 905 degreasing, 400-1
phasor control. 103- I I insulators. 905 effluent treatment. 400. 412-1 7
power stations. 186-9 practice\, 903-1 2 electrostatic. 409-12
pressurized enclosures, I8 1-2 transformers. 686-8 final coats. 405-8
problem\ solved. 239-41 types, 2 I formulae, 4 I8
protection. 1-240. 273-320 mok ing electrode electrolyte controllers/ fume control. 412-17
circuit hrrakcrs. 1 I 8 \tartcs\, 94-5 paint shop layouts. 407. 41 1
semiconductor device\. I304 multicore cables, 547 priming, 406
witchgear. 308-12 multispeed motors connection diagrams. procedures. 405
pullcy loads, 211 I00 standards, 4 18
pumps, 170-5 switchgear as\emblies, 100-1 7
quarries. I82 lesting. 408-9
ratings. 3 1 X National Electrical Manufacturers panel\:
re-acceleration. I 84-5. I 87 Association (NEMA), 21-2, 37-8. annunciation scheme\. 507, 508-9
I-ecovcry voltage. 572-7 41 control. 337-9. 507-9. 759-60. 767
remedies to problems. 239-41 natural cooling, 941-2 design parameten. 759-60
ring frame, 167-8 natural frequency of vibration. 445-6 paper insulated cables. 534. 539-41
\at+. I 80-1 NEMA see National Electrical parallel operation:
safety devices. 306 Manufacturers Association driving torques. 5 16
selection. 1-240 networks. harmonics. 745-50 drooping curves. 517
\einiconductor device\. I 16-28 11eutl-a~ c<OU~JlCl-\, 852 excitation changes. 5 18
\ervice factors. I78 neutral grounding reactors. X52 hunting procedure. 522-5
\haft current\, 235-8 neutral grounding system\. 664-5 infinite bus synchronisation. 5 19
\ingle phasing. 280-1. 29 1-2 no load test\, 263-6 power seneration. 5 15-26
\ingle phasor/vector control, 104-6 no-load performance, I7 procedures, 52 1-6
\lip-ring induction type, 8 1-06 no-load start-up motor heating, 44 synchroniration. 52 1-6
\pecial-purpose, 165-94 noise, 177-8, 259 theory. 5 16- I9
\peed sensors. 11 I nomograms. 866-8 parallel switching, 73 I. 752-4
\peed-torque curves. 37 non-continuous enclosures, 9324 partial discharge tests. 841
\pinning frame motor\, 167-8 non-ferrous component pre-treatment, 404 passiv:itinn. 404. 517
stalled conditions. 45-6 non-isolated phase bus systems, 891-900 PCB-filled capacitors. 838
\tallins protcction, 29 I non-periodic duties. 55 PCCs see power control centres