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 |
| H
Hall effect current sensors, 570 Hall effect sensors - see current measurement Hall voltage, 570 see current measurement hand-held sprayers, 310 hardness tests, 475 harmonics: appear when, 843, 845
hazardous locations: capacitors, 832-40 performance, 833-34 circulation theory, 841-42 current magnitude, 842-43 effects - see EMI electronic circuits, 840-41 filter circuits, 846-51 generation, 157, 840-41 networks, 846-51 nullifying effects, 849-51 order magnitude, 844 phase-controlled rectifier units, 157-59 power electronic circuits, 840-41 power networks, 846-51 protection, 319-20 quantity circulation theory, 841-42 resonance, 841 static device switching circuits, 157-59 suppression, 559, 846-51 systems, 9-10, 843-46, 875 telephone lines, 834 theory of circulation, 841-42 voltage magnitude, 842-43 accrediting agencies, 311
hazardous substances environment friendly, 485 certification, 308-11 classification, 198 electrical machines, 308-11 ground fault protection, 780-81 motors, 198-99 |
restrictions (RoHS), 485
head loss, pipelines, 371-73 heat: bus systems, 1008
heat loss dissipation factors, 1008 losses, 491-92 metal enclosed switchgear assemblies, 491-92 rotors, 323-27 run tests, 493 sinks, 338-39 stators, 322, 325 switchgear assemblies, 491-92 belt drives, 236-47
motors, 30-38 busbars, 988-90, 997 cables, 627 heating: enclosures, 1078-81
high impedance differential protection schemes, 553-57 induction motors, 70-72 motor heating, 49-50 high current rectifiers, 138 high impedance relays, 557-58 hold-on values contactors, 542 hose test nozzles, 311 hot air blowing, 1077 hot dip galvanizing static drives, 175 HRC fuses, 332-33, 346, 363-64 HVDC transmission- see transmission HV motors, 332, 357-60 failures, 278-79
formed coils, 263-64 fuses, 346, 363-64 impregnation, 259-60 insulation, 257-58, 278-79 protection, 332, 357-61 |
protective switchgears, 352-60
HV systems squirrel cage type, 89-90 switching transients close transients, 90-91
starters, 358 pen transients, 89-91 surge impedance, 652 switchgear protection, 357-61 vacuum pressure impregnation, 259-60, see also motors capacitor banks, 884
human body: capacitor protection, 962 classification, 836 fault levels, 408-12 ground leakage, 782 grounding, 781-83, 791-93 isolators, 358-59 resin-rich coils, 303 switchgear assemblies, 437-38 terminal box design, 204-05, see also MV motors current toleration, 775
HV systems: ground potential gradients, 807 leakage current determination, 810-12 resistance, 810-12 classification, xxv-vi
HV vacuum contactors, 357-58, 743-45 communication service disturbances, 836-40 line parameters, 890 hybrid sensors, 570, see current measurement hydraulic couplings, 224-29 see also couplings hypocentres, 516 |
