Page 614 - Handbook of Electrical Engineering

Index

Accelerating power 304, 441 Constant current charging 453
Acidic environment 395 Constant voltage charging 453
Active power 4, 5 Float charging 454
Admittance relay 320 Lead acid 455
Air gap Maintenance free 456
Flux 62 Nickel cadmium 455
Voltage 62, 103
Sealed type 456
Alarms and indication
Battery charger 451
for variable speed drive system 433
Base MVA 279
Aluminium, in cables as conductors 184, 192
Ambient temperature, see temperature Base MVA rating 271
Ampere-turns 67, 324 Bi-polar power transistors 402
Arcing time 174 Black starting 3
Armature reaction, and time constant 62, 65, Block diagram 89
489, 493 Bonding conductors 354, 356, 371
Asymptotic current, of mold case circuit Bridges
breakers 450 Diode 402
Asymptotic current, of overcurrent relays 318 Smoothing in 413
Asymptotic value, of a fuse operating current 6-pulse rectifier 413, 417
177, 450 12-pulse rectifier 417
Atmospheric Bridge-connected thyristor inverter 392
Pressure 24 Buried conductors, shapes of 369
Temperature 24, 27 Busbars
Automatic voltage regulation and regulators Clean earth 372
Automatic voltage regulators 83, 89, 97, 275,
Copper and aluminium 144
324, 332, 335, 444, 540
Earthing 146
Effect on over current protection 315
Neutral 146
Effect on short circuit current 150
Noise pick-up from earthing 382
Type 1 and type 2 89
Voltage 444
Auto-synchronising main generators 447
Cables 183
Back pressure 26
Balanced loads 145 Acid gas 245
Aluminium wire armour 198
Balanced three-phase circuits 479
Barrier glands for cable 259 Charging current 357
Batteries Copolymer 188
Ambient temperature 456 Cross-linking 189
Ampere-hour capacity 455 Cross-sectional area of conductors 198
Boost charging 454 Derating factors for ambient temperature
Charging 453 202

Handbook of Electrical Engineering: For Practitioners in the Oil, Gas and Petrochemical Industry. Alan L. Sheldrake
 2003 John Wiley & Sons, Ltd ISBN: 0-471-49631-6