Handbook of Electrical Installation Practice - BeKnowledge

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functional switching, 587 fuses see also HBC fuses cartridge, 431 domestic, 21, 446 HBC, 431 semiconductor, 447 gas-filled circuit breakers, 389 generation embedded, 19 graded protection, 603 Grid Code, 4 harmonics, supply, 10 harmonisation, voltage and frequency, 6 HBC fuses and fusegear ambient temperatures, 443 aM type fuse links, 429, 443 applications, 437 cartridge fuses, 431 compact fuses to BS 88-6, 448 co-ordination, 441 discrimination, 440 domestic, 446 electricity authority fuses, 447 fuse-holder, 437 gG type fuse links, 428 gM type fuse links, 429, 442 overload characteristics, 436 protection against electric shock, 443 semiconductor, 447 switchgear, 448 thermal ratings, 451 Health and Safety, 33 Health and Safety at Work etc. Act, 267 high voltage circuit breakers, 380 earthing, 15 substation switchgear, 50 highway power supplies, 264 hot air saunas, 255 lEC standards, 308 lEE standards, 312 incoming supply and distribution assembly, 100 incoming supply assembly, 99 inspection and testing, see testing and commissioning intake arrangements high voltage, 25 low voltage, 24 interlocking, 290 International Electrotechnical Committee, 308 Index 671 isolation general, 585, 587 motor control, 471 short circuit co-ordination, 472 isolation and switching, 585 emergency switching, 586, 589 fireman’s switch, 590 functional switching, 587 switching off for mechanical maintenance, 586, 589 lamps see lighting lighting, 475 ATEX Directive, 489 British Standards, 488 calculations (floodlighting), 490 control gear, 484 diffusion, 476 discharge lamps, 479 electromagnetic spectrum, 475 emergency lighting, 499 floodlighting, 489 fluorescent tubes, 482 high pressure sodium lamps, 480 induction principle, 482 ingress protection, 489 interior lighting, 491 low pressure sodium lamps, 479 luminaires, 485 measurement, 477 mercury vapour lamps, 480 metal halide lamps, 480 outdoor equipment, 489 reflection, 475 reflector lamps, 478 refraction, 476 run-up time, 480 safety, 488 sodium lamps, 479, 480 street lighting, 264, 489 tungsten halogen lamps, 478 lighting design ClBSE code, 493 discomfort glare, 496 light output ratio, 494 luminous intensity and polar curves, 494 photometric data, 493 spacing to mounting-height ratio, 496 task illuminance, 491 utilisation factor and room index, 495 lightning protection air terminations, 208 bonding, 234 bonds, 212 design, 208, 216 down conductors, 210
672 Index earthing, 234 earth termination networks, 211 electronic systems, 219 inspection and testing, 219 installation, 218 material specifications, 213 rolling sphere concept, 198 strike probability, 199 termination networks, 208, 234 transient overvoltages, 219, 223, 237, 239– 243 zones, 206 loads on diesel generators, 131–134 low voltage, substation switchgear, 50 luminaires, see lighting mains distribution assembly, 102 maintenance capacitors, 657 cathodic protection systems, 188 distribution transformers, 354 motors, 138, 423 safety, 274 measurement of light, 477 metering, accuracy of metering, 32 bulk supplies, 28 development of meter services, 31 end customers, 29 larger customers, 29 small customers, 29 mineral insulated cables, 580 motor applications, 413 motor control gear auto-transformer starters, 468 contactors, 454, 456, 461 direct-on-line starters, 466 electronic relays, 465 enclosures, 473 isolation, 471 magnetic relays, 465 motor control centres, 471 overload protection, 463 product standards for contactors, 460 short-circuit co-ordination, 472 soft starters, 469 star delta starters, 467 starter types, 466 stator-rotor starters, 468 thermal relays, 463 thermistor relays, 466 variable speed drives, 470 motor generator sets, 405 motors, see rotating machines motor starters, 52, 62 466 NETA, 6 new technology, 34 Office of the Gas and Electricity Markets (Ofgem), 4 oil-filled transformers, 61, 320 overcurrent protection of cables, 554 overhead lines, 280 parallel operation diesel generators, 130 distribution transformers, 347 permits to work, 276 power factor calculation, 638 economic considerations, 637 improvement, 636 supply, 9 tariffs, 639 theory, 636 power supplies, 1 privatisation, 33 protection system, 16 reactive power, 34 record drawings, substations, 65 Regional Electricity Company, 1 relays inverse time, 601 residual current circuit-breaker, 594 resistivity of soil, 163 rotating machines a.c. motors, 394 bearings, 424 brushgear, 425 cage motors, 395 commissioning, 422 coolers, 426 d.c. motors, 401 efficiency, 417 enclosures, 414 installation, 136, 418 insulation, 416 maintenance, 138, 423 motor applications, 413 motor generator sets, 405 mounting, 413 noise, 416 slip ring motors, 398 starting currents, 397 storage, 418 switched reluctance drives, 411 synchronous motors, 399 synchronous reluctance motors, 400 synchronous speeds, 395 thyristor drives, 411
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HANDBOOK OF ELECTRICAL INSTALLATION
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© 2003 by Blackwell Science Ltd, a
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vi Contents System operation 79 Ide
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viii Contents Training and systems
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x Contents 18 Lighting 475 h.r. kin
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Preface My first task as editor is
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2 Handbook of Electrical Installati
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10 Handbook of Electrical Installat
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INTRODUCTION CHAPTER 4 Cable Manage
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CHAPTER 5 Electricity on Constructi
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CHAPTER 6 Standby Power Supplies D.
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INTRODUCTION CHAPTER 7 Ground Earth
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INTRODUCTION CHAPTER 8 Cathodic Pro
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CHAPTER 10 Special Installations or
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CHAPTER 12 Standards, Specification
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CHAPTER 13 Distribution Transformer
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DEFINITIONS CHAPTER 14 Switchgear A
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Table 14.1 (contd) 374 Handbook of
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CHAPTER 15 Rotating Machines D.B. M
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CHAPTER 19 Mains Cables G.A. Bowie,
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