Page 626 - Handbook of Electrical Engineering
P. 626
INDEX 619
D-axis field winding 480 Safety 234
Q-axis damper winding 480 Safety of personnel 3
Series connected external 480 Saliency of the pole surface, sub-transient
Resistance armature 71 current due to 150
Resistance of the human body 352 Saliency, sub-transient 492
Resistance temperature detectors 139 Salient pole rotor construction 61
Resistance to earth 368, 590 Safety 325
Resonance 402 Salient pole generators 322
Restarting of motors 159 Saturation constants 93
Retardation angle 404 Saturation function 89
Ring interconnecting circuits in relation to Scheduling the shutting-down of main
earthing 382 generators 445
Ring main station 277, 369 Scheduling the starting-up of main generators
Ripple, average voltage 408 445
Ripple number 408 Screening
Rotationally induced 483 Aluminium foil in cables 381
Rotor, see induction motors 61 Braided armouring 379
Field 61 Braided armour in cables 381
High resistance, induction motor 389 Common circuit conduction 373
Pole face 294 Cut-off at high frequencies 380
Wound type, induction motor 389 Eddy currents 381
Rotor angular position 306, 484 Effectiveness 379
Rotor bars 101 Electromagnetic or mutual inductive
Rotor bars, caged 78 coupling 373
Rotor poles and damper bars 322 Electrostatic discharging 380
Rubber 187 Electrostatic or capacitive coupling 373
Natural 187 Fault currents 374
Silicon 196 Harmonic currents 374
Synthetic 187 High frequency attenuation 379
Vulcanized 187 Holes in braiding 381
Rubber, mats used in switchrooms 367 Low frequency interference 379
Rule-of-thumb, Noise cancellation 379
Auxiliary power 37 Off-shore signal cables 379
Dirty engine losses 38 Pick-up of noise 382
Drop terminal voltage 122 Shield transfer impedance 380
For cascaded devices 451 Signal conditioning units 382
For charging current of batteries Surge currents 374
454 Source of interference 375
For extra capacity in switchgear Unbalanced core and screen currents 379
149 Unbalanced currents 374
Letters and numbers for windings Virtual earth in an electronic amplifier 379
136 Self-excitation 88
Losses due to silencing and filtering 39 Sending end of a cable 333
Power factor of bridges 413 Sending end of a transmission link 301
Ratio of motor kW to supply kW capacity Sending end voltage 303
124 Sensitive earth leakage current detectors 356
Ratio of ratings of generators to motors Series reactor for starting motors 128
442 Series resonant branch of a filter 433
Sizing induction motors 14 Set-points
Spacing of cables to avoid harmonic For the inverter 399
coupling 406 Of automatic voltage regulation 448
Run-up time, long 325, 329 Of speed governors 448
