Index



E
earth, cross-section construction, 508-09
earth leakage circuit breakers, see
ground leakage circuit breakers
earthquakes:
causes, 508
duration, 510
engineering testing methods, 507-28
forewarning of an earthquake, 515
geo-physical changes, 512
international association of
earthquake engineers (IAEE),
513
land surface temperature, 512
metal enclosed switchgear
assemblies, 507-27
prediction, 511
preventive measures, 525
radar interferometry system, 512
recording, 510-15
response spectrum, 512-14
temporal and spatial variations, 511
time history, 511-12, see also seismic effects
seismic research centers, 512
US geological survey, 515
eddy current couplings, 233
EE motors - see motors
effective magnitude, harmonic currents/voltages, 842-45
effectively grounded systems see solid neutral grounding systems
efficiency, electrical machines, 17-18, 297-98
effluent treatment:
painting, 463, 471-74
passivation, 481
physio-chemical analysis, 476
plant flow diagram, 479
plant layout, 480
waste water, 476-79
EHV systems:
communication service disturbances, 832-40
grounding, 770-71
line parameters, 890
electrical interlocks, 431-36
electrical motors:
certification, 311-14
degree of protection verification, 306
dielectric property verification, 301-02
see also dielectric verification
efficiency, 297, 309
hazardous locations, 311-14
impulse voltage withstand tests (formed coils), 302-04
load tests, 297-305
locked rotor tests, 305-06
measurements, 293
no load tests, 305-06
noise level measurement, 300-01
overspeed tests, 300
power factors measurement, 299-300
power frequency voltage tests, 304
protection verification, 306
quality systems, 283-315
resistance measurement, 294
rotor tests, 305-06
routine tests, 293










seismic disturbances, 294
slip measurement, 298-99
speed-torque tests, 300
standards, 280, 311-14
temperatures rise test, 294-96
test tolerances, 308
testing, 283, 291-315
type tests, 293
vibration measurement tests, 300
voltage tests, 304
water ingress protection, 308, see also electric motors; HV & LV motors; induction motors; slip-ring induction motors
electrical interlocks
breakers, 434-37
electrical schemes, 433-37
electrical properties:
conductors, 1051-54
copper, 1054, 1059
electrical protection see protection
electrode electrolytes, 108-09
electrodynamic:
braking, 54-55
effects, 1000
forces, 1029
stresses, 945
electrolyte switching, 92
electromagnetic:
compatibility (EMC) see EMI
relays, 338
shoe brakes, 55
transference, 695
voltage transformers, 534-43
electronic circuits harmonics, 157-58, 840-41, see also static drives
electroplating fasteners, 423
electrostatic:
induced currents, 649
induction, 649, 836-37
powder painting, 471-74
transference, 694
electromagnetic compatibility (EMC), 392
EM control cables, 165
EMI effects, 164, 392
electrostatic discharges (ESDs), 874
EM interferences, 873
EMC/EMI standards, 876
EMI and RFI safe path, 164
Faraday cage, 876
harmonic effects and inductive interferences, 832
harmonics, 875
microprocessors, computing devices, conductive interferences, 875
radiated radio frequency(RF), 875
recommendation G5/4, 845
save the environment, 873
sources causing EM
interferences, 874
test facilities, 876
embedded temperature detectors (ETD), 296, 346, 349
emergency power generation, see captive
power generation
enclosures:





bonded, 1073-75
bus systems, 1007, 1025, 1070-82, 1084-85
continuous, 1073-75
drying, 1077
end terminations, 1072
formulae, 1089-90
heating, 1078-81
induction motors, 21
insulated bus enclosures, 1071-72, 1074
IPB systems, 1069-84, 1089
jointing bus enclosures, 1071-72
magnetic fields, 1075
natural cooling, 1081-82
NEMA, 9-10, 23, 32-36
non-continuous, 1072-73
nullifying magnetic fields, 1075
section determination, 1084-85
size, 1007, 1084-86
standards, 1089
tests, 1096
thickness, 1079-80
end terminations, 1072
energy absorption, inductors, 160, 979-80
energy auditing, 34
energy balancing theory, 747-48
energy based discrimination, 420, 730-32
energy capability, surge arresters, 706-07, 715
energy conservation, xi, 31-38, 166-69, 627
(DOE) department of energy, 32
IEEMA Standard-19, 35
National Energy Policies, 32
European Union (EU), 32
The European Committee of
Manufacturers of Electric Machines and Power Electronics (CEMEP), 35
energy efficient belts- see belts
bus systems - see bus systems
compact switchgears - see switchgear assemblies
GIS switchgears, 748-57
motors - see motors
energy management system (EMS)- see SCADA
Energy Policy Act (EPACT),32
energy saving,
belt drives,
bus systems,
cables,
energy efficient motors,
hydraulic couplings,
static drives,
environment-friendly couplings, 224
epicentres, 517
ETD see embedded temperature detectors
European Union (EU)- see energy conservation
eutectic alloy relays, 327, 329-30
Ex `e' motors, 200-01
Ex `i' safe circuits, 202-03
Ex `n' motors, 202
Ex `p' motors, 202
expansion joints, 1045
explosion proof:
motors, 200
switchgear assemblies, 414-15

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