AC Motors and Control Gear: A Practical Work for Installation Engineers, Contractors, Plant Engineers and Works Electricians |
Contents
TYPES OF AC MOTORS AND THEIR | 1 |
THREEPHASE INDUCTION MOTORS | 18 |
CHAPTER III | 36 |
8 other sections not shown
Common terms and phrases
AC motors Allen West amperes armature auto-transformer automatic auxiliary switch brushes button capacitor motor cent change-over closed commutator connected contacts control gear dashpot delta delta connection diagram direct switching electrical electromagnetic excitation Factor and Efficiency fitted fractional h.p. frequency full-load current full-load torque h.p. motors hand-operated starters line current machine magnetic main winding master frequency mechanical method multi-finger normal obtained operating coil over-current releases overload phase plunger pole face position power factor push-button reactance repulsion motor reversing rotary magnetic field rotation rotor circuit rotor winding running secondary winding short-circuited shown in Fig single-phase Slip Rings slip-ring motor small motors solenoid speed characteristic squirrel-cage motor star star-delta starter starting current starting period starting resistance starting rheostat starting switch starting torque starting winding stator contactor stator control switch stator winding suitable synchronous motor thermal relay three-phase induction motor three-phase motor triple-pole tripping bar under-voltage release voltage volts Wauchope