Page 616 - Handbook of Electrical Engineering

INDEX 609

ONAN 12 Root mean square 409
TEFC 80 Short circuit withstand 473
Water 121, 139 Stalling, of induction motors 341
Coordination, of contactors and fuses 155 Stray 372
Coordination, see also contactors Sub-transient fault 151
Complete for molded case circuit breakers Symmetrical 174
167, 450 Threshold, for molded case circuit breakers
Of cascaded devices 451 164
Of fuses and molded case circuit breakers Through-fault 329
450
Transformer 311
Poor 451 Transformer, core-balance 333, 340, 343,
Underfrequency relays 540, 543 345
Copper Transformers, star/delta interposing 322
Annealed 184 Transient fault 151
Hard-drawn 184 Unbalanced 142
In cables as conductors 192, 193
Zeros and crossing points 79, 274, 502
Copper and copper alloy 63
Current contribution
Copper, bonding conductors for earthing 354
Sub-transient fault 151
Corner mesh voltage 369
Transient fault 151
Corner step voltage 369
Coupling, loose and tight 303, 306 Current rating
Crushed rock used in earthing systems 367 Busbar normal 8
Cubicle Fault 8
Type of switchgear 147, 371 Cylindrical rotor construction 61
Earthing of 382
Current Damper bars 63, 68
Asymmetrical 174 Damper windings 480, 490
Charging of capacitance in long feeder Damping 84
cables 72, 340, 357 Damping characteristics 304
Constant, in inverters 423 Damping feedback 88, 539
Decrement of short circuit 277, 492 DC off-set current 151, 293, 492, 502
Derated for cables 243 DC off-set of fault current 149
Doubling 274, 283 DC link capacitor 398, 422
Full-load 230 DC link inductor 398, 422
Fundamental 142
DC motors 385, 394, 401, 407
Fundamental instantaneous 409
Deceleration factor 118
Harmonic and stray, in generator neutral
Decrement of fault currents 300, 315
circuit 324
Deep-bar effect, and factor 101, 102, 400,
High-set 329
High starting 336 480, 500, 502, 503
Instantaneous 142 Definite time delay 318
Inrush, of motors 340 Delay angle 404, 408
Inrush, of transformers 141 Delta connected motors 392
Negative phase sequence 322, 339 Derating, see Factors
Noise pick-up 373 Diesel
Noise pick-up in earthing busbars 382 Engine 19
Nominal, of relays 348 Generators 3
Overloading 242 Diesel engines, emergency 449
Peak short-circuit 145 Diesel generators, emergency 459
Plug setting 348 Dimensions, influence on reactances 67
Positive sequence 339 Direct-on-line starting 107, 124, 176, 312,
Rated, of cables 199 318, 336, 441, 500, 573, 580