Page 621 - Handbook of Electrical Engineering

614 INDEX

Induction Single-phase 421
Rotational type of 273 Square wave type 421
Transformer type of 273 Three-phase 422
Induction motors 99 Voltage source 422
Double cage 101, 108, 490 Iron circuit 62
Maximum torque 106 Iron core 88
Pole amplitude modulated 390 Damage to laminations 318, 355
Pole changing 390 Earth faults in laminations 340
Squirrel or single cage 385, 387, 479, 485, Eddy current loss 100
490 Of a transformer 131, 140
Torque 103 Over-heating laminations 324
Wound rotor 385, 387, 391 Island mode operation of a plant 36, 300
Inductance, series connected external 480 Isochronous governing 325
Inductance in the DC circuit 413 Isochronous control of frequency 443
Inductances, mutual 484, 493 Isochronous control of voltage 444
Inductances, self or total 481 ISO conditions 35
Induction by rotating action 483
Induction by transformer action 482 Key single line diagram 1
Inertia 122, 441 Generators 15
Inertia characteristics 304 High voltage motors 15
Inertia constant 54, 78, 306 Large low voltage motors 15
Inertia of the fuel mass 58 Motor control centers 15
Inertia, of the rotor system of masses 52, 539 Switchboards 15
Ingress protection 473 Transformer feeders 15
For switchgear 144, 147
Ingress of water and particles 121 Lead metal 186
Ingress protection for liquids and dust 78 Lead-tin-antimony alloy
Inlet and exhaust ducting 32 sheathing material of cables 186
Inlet and exhaust silences 32 Leakage flux 131
Inlet and exhaust silencing and filtering 38 Leakage reactances
Inlet filter and ducting 24 Armature or stator winding 480
Inlet silencer 24 D-axis damper winding 481
Inrush current of a motor 340 D-axis field winding 481
Inrush current of transformers 141 Q-axis damper winding 481
Installations, see offshore and onshore Leakage inductances
Instantaneous Armature or stator winding 480
Currents 483 D-axis damper winding 480
Emf 483 D-axis field winding 480
Setting 348 Q-axis damper winding 480
Voltages 483 Least single selector control device 59, 539
Insulation classes B and F 121 Let-through current 224
Iterative solution 117 Let-through current in capability 155
Interfaces, engineering disciplines 16 Let-through current in fuses 176
Interfacing with switchgear 159, 161 Let-through fault withstand capability, of
Integral controller 444 cables 124
Interlocking Lighting
Safety devices 157 Emergency 459
Systems 16, 161 Escape 459
Two-out-of-three feeder paralleling scheme Flood 460
157 Fluorescent lamp fittings 460
Inverter Helideck 463
Current source 422 High pressure sodium 460