404
G
Generator d.c., 258 compound, 259 series, 258 shunt, 258
Generation conventional, 357 non-conventional, 352
H
Halfpower frequency, 76
Hunting, 292
Hysteresis loss, 221
Ideal transformer, 205 Inductance, 58 Induction meters, 186 Induction motors, 304
maximum torque, 310 output power, 308 rotor copper loss, 309 speed control, 310 sta1·ting current, 216 starting torque, 316
Interpoles, 253
K
Kirchhoff 's laws, 111
L
Leakage reactance, 207 Linear system, 134 Loop analysis, 125
Loop impedance matrix, 128 Losses
de motors, 266 transformer, 221
M
Magnetic circuits, 91 Magnetic field intensity, 91
Magnetising current of transformer, 206 Magnetisation curve, 257
ELECTRICAL ENGINEERING
Magnetomotive force, 92 Main winding, 331
Maximum efficiency of transformer, 224 Maximum power transfer theorem, 144 Measurement of 3-phase
active power, 172 reactive power, 176
Mesh equations, 125 Millman theorem, 165 Moving coil meters, 182
Moving iron meters, 185 Mutual flux, 207
Mutual inductance, 105
N
Network theorem, 134
Nodal admittance matrix, 133 Nodal analysis, 130
No load test of transformer, 214 alternator, 284
Norton's theorem, 140
0
Oersted, 91
Open circuit test of transformer, 214
Open circuit test ofalternator, 284 p
Parallel resonance, 80 Peak factor, 56
Permanent magnet stepper motor, 299
Phantom load, 200 Phase, 5 1
Phasor diagram, 56 Pitch factor, 279
Polarity of a transformer, 228 Polyphase energy meters, 199 Power angle, 290
Power factor, 61, 349 low, causes, 349
Power factor improvement, il47 Power supply system, 344 Power system, 342
Pull out torque, 290
