INDEX-1 MODULE 5  INDEX A Ac generators, 3-1 to 3-4 alternator characteristics and limitations,   3-7 alternator rotors, 3-6, 3-7 basic ac generators, 3-2 frequency, 3-13, 3-14 functions of alternator components, 3-4 to 3-6 parallel operation of alternators, 3-16 practical alternators, 3-4 prime movers, 3-6 principles of ac voltage control, 3-15 rotating-armature alternators, 3-2, 3-3 rotating-field alternators, 3-3, 3-4 single-phase alternators, 3-7, 3-8 summary, 3-16 to 3-21 three-phase alternators, 3-10 to 3-13 two-phase alternators, 3-8 to 3-10 voltage regulation, 3-15, 3-16 Ac motors, 4-1, 4-2 capacitor-start, 4-11 induction, 4-8 to 4-10 resistance-start, 4-12, 4-13 rotating magnetic fields, 4-3 rotor behavior, 4-6, 4-7 series ac, 4-2, 4-3 shaded-pole induction, 4-13, 4-14 single-phase induction, 4-10, 4-11 split-phase induction, 4-11 to 4-13 summary, 4-15 to 4-17 synchronous, 4-7, 4-8 three-phase rotating field, 4-5, 4-6 two-phase rotating field, 4-3 to 4-5 Alternator characteristics and limitations, 3-7 Alternator components, 3-4 to 3-6 Alternator rotors, 3-6, 3-7 Amplidynes, 1-23 to 1-26 Armature losses, dc generators, 1-11 copper losses, 1-12 eddy current losses, 1-12, 1-13 hysteresis losses, 1-13 Armature reaction, 1-8, 1-9 Armature reaction—Continued compensating windings and interpoles,     1-9,   1-10 Armatures, types of, 2-7, 2-8 drum-wound, 2-8 Gramme-ring, 2-7, 2-8 C Commutation, dc generators, 1-7, 1-8 Compound motor, 2-6, 2-7 Compound-wound generator, 1-17, 1-19 Copper losses, armature losses, 1-12, 1-13 Counter emf, dc motors, 2-3, 2-4 D Dc generators, 1-4 to 1-5 amplidynes, 1-23 to 1-26 armature losses, 1-11, 1-12 armature reaction, 1-8, 1-9 classification of generators, 1-16 to 1-19 commutation, 1-7, 1-8 compensating windings and interpoles,     1-9, 1-10 drum-type armature, 1-14, 1-15 effects of adding additional coils and poles; 1-6 electromagnetic poles, 1-7 elementary dc generator, 1-4, 1-5 elementary generator, 1-2 to 1-4 field excitation, 1-15, 1-16 generator construction, 1-19 to 1-21 Gramme-ring armature, 1-13, 1-14 motor reaction in a generator, 1-10, 1-11 parallel operation of generators, 1-23 practical dc generator, 1-13 safety precautions, 1-26 summary, 1-26 to 1-33 voltage control, 1-21, 1-22 voltage regulation, 1-20, 1-21 Dc motors, 2-1 to 2-3 armature reaction, 2-10, 2-11 compensating winding and interpoles, 2-11 compound, 2-6, 2-7