Index
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Z |
| D
damping, 166, 518-21 reactors, 979 Darlington transistors, 127 d.c. drives:181 a.c. drives comparison, 177-80
d.c. link smoothing, 156-57
fluid coupling comparisons, 178-80 motors, 178 performance comparisons, 178-80 variable speed comparisons, 178-80 d.c. voltage sources, 157 d.c.transmission, see transmission data concentrator, 387 de-rusting, 465-66 deep-sea mining, 196 deep-well pump motors, 190 definitions surges, 649-55
degreasing, 463-64
metal properties, 1051 impulses, 649-55 metal properties, 1051-53 surges, 648-49 degree of protection verification, 306 busbar systems, 1093, 1097-98
deionization theory, 723-25
controlgear assemblies, 486, 500-01 motors, 293, 306-11 switchgear assemblies, 486, 500-01 delay tripping, 416-17 delayed action couplings, 223-24 delta to star conversion, 858 derating: belts, 241-46
design:
bus systems, 1005, 1021-22 cables, 623 motors using static drives, 162 proximity effects, 1021-23 2500A non-isolated phase bus systems, 1025-36
dielectrics:
bus systems, 420-24 calculations, 1025-36 metal enclosed, 997, 1007-08 core-balanced current transformers, 783-86 current transformers, 545-49, 783-86 grounding grids, 813-17 grounding stations, 806-10 metal enclosed bus systems, 997, 1007-8 reactors, 973-76 switchgear assemblies, 393-416, 424-38 voltage transformers, 531-43 DG sets, see diesel generators applications, 937
capacitors, 935-36 |
comparison, 937
diesel generators, 579-81
loss factors, 302 verification, 301-02, 487-89 bus systems, 1093-96
capacitors, 965-67 controlgear assemblies, 486-90 motors, 293, 301-05 switchgear assemblies, 486-90 active and reactive load sharing, 606
administration, 580
active power sharing, 608 acoustic enclosure, 580 auto mains failure (AMF) schemes, 587-88 automation through PLCs, 608 annunciation schemes, 588-90 circulating currents, 606 communication, 608 contactor chattering, 613 CPCB-central pollution control board, 580 electrical protection hunting, 601 floating neutral, 613 load sharing, 608 metering, 589-94 noise pollution, 580 OSHA-occupational safety and health parallel operation, 594, 608
differential protection schemes, 553-57, 561
power diagrams, 591 power factors for selection of a DG set, 585 protection, 588-94 reactive power sharing, 608 selection, 585 starting, 587-88 see also generators synchronizing with infinite bus, 598-601 types of loads linear, 586
non-linear, 586 special, 586 digital current integrator, 573
diodes, 126
digital optical instrument trans-formers, 573 digital RC, 573, see also current measurement direct couplings, 223 direct on-line starting (DOL), 85-86 direct switching of capacitors (induction motors), 861-63 direct torque control (DTC), 123-25 directional ground fault protection, 789-90 discharge current in arresters, 688 discharge devices: capacitors, 948-50
discontinuous enclosures, non discontinuous enclosuresresistance, 948-50 series inductors, 950 discrete constant load (motor duty), 69-70 |
distribution class surge arresters, 708-09
distribution networks: layouts, 397
diversity factors, 396, 420
surge arresters, 683-84, 708-09 typical, 827 DMS-SCADA, see system voltage regulation DOE (department of energy), 32 DOL, see direct on-line starting domestic single-phase system protection, 775-78 double dielectric process, 936 double squirrel cage motors, 44-45, see also squirrel cage motors double star arrangements, capacitors, 850 draw-out components, 430-31, 442 draw-out switchgear assemblies, 383-84 dripping water ingress protection, 23, 309 drives a.c. comparison, 177-80
driving torque DG sets, 594-95, 599
belt drives - see belt drives d.c. comparison, 177-80 eddy current couplings, 233 fluid couplings, see fluid couplings magnetic couplings, 233 static drives - see static drives variable speed fluid drives - see fluid couplings. drying IPB enclosures, 1077 ducts, 960, 1026, 1070 see also bus systems dust protection, 306 duties, induction motors, 63-82 duty cycles, contactors/switches, 354 duty rating, slip-ring induction motors, 104 dynamic currents: metal enclosed switchgear assemblies, 499-500
dynamic stability
testing, 1097 bus system, 1093-1097 switchgear assemblies, 486, 499-500 transformers, 563-64 current, 568
distribution networks
power generating stations, power networks, transmission network, see reactive controls |
