Page 619 - Handbook of Electrical Engineering

612 INDEX

Fault making capacity 151 Control valve 52, 58
Feedback Control valve characteristic and limits 56
Derivative 84, 88 Energy from the 32
Damping 84, 539 Mass flow rate of the 36
Gain 399 Fuel consumption of a gas turbines 36
Regulation 389 Fuels for gas turbines 23
Signals 392 Function generators 316, 347
Transfer function 42 Functionality 470
Feedback regulation 389 Fuses and fusing 154, 173
Feedback signals 392 Arcing time 178
Feeders Clearing time 178
Cable 346 Factor 156, 225
High voltage 355 For induction motors 156
To a switchboard 199 High-speed 225
Transformer 326, 406 Melting process 173
Feeder cables, long route length and Melting time 178
capacitance 340 Fuse-contactor combinations 154
Field current 64 Fuse-switch combinations 154
Field winding 88, 480, 490
Filters, tuned and Q-factor 433 Gain 52
Final sub-circuits 163 Forward path 539
Flame retardant 138 Proportional in automatic voltage regulators
Flame retardant, material in switchgear 334 84
Flammable gas and vapour 251 Gas and vapour in hazardous areas 251
Fluid couplings for speed control of machines Gas generator 19
397 Gas groups and temperature classes 266
Flux Gas turbines
Constant air gap 389, 393 Aero derivative 19
Density 140 Air compressor 20
Leakage 131 Block diagrams 51
Linkages 482, 484, 487 Closed-loop speed-torque characteristic 41
Linkage equations and variables 486 Combustors 58
Mutual or magnetising 131 Combustion temperature 26
Negative phase sequence 322 Compressor turbine 20
Raise in air gap 393 Heavy industrial 19
Residual 140 Inlet filter 33
Trapped in machine 294 ISO rating 37
Forces, electromagnetic 142 Least signal selector device 59
Forward transfer function 42 Light industrial 19
Forward path gain 399 Operating temperature 437, 441
Fourier coefficients of current 409 Open-loop speed-power characteristic 41
Fourier coefficients of line current 414 Open-loop speed-torque characteristic 39,
Frequency, system 11 41
Frequency Packaged generators 37
Error 447 Power turbine 20
Nominal angular 481, 495 Silencing, inlet and exhaust 32
Nominal cyclic 481 Simple or Joule cycle 24
Recovery of system 307 Single shaft 20, 51, 58, 539
Fuel 23 Starting 39
Air-fuel ratio and mixture 26 Three shaft 23
Air-fuel ratio by mass 31 Two or twin shaft 20, 51, 58, 539
Air-gas mixture 27 Ungoverned speed-torque characteristic 39