Electric Power Utilization |
Contents
Preface | 1 |
Motor Starting | 59 |
Starting of Polyphase Induction Motors | 81 |
Copyright | |
10 other sections not shown
Common terms and phrases
acceleration alternating analysis angle anode applied approximate armature balanced braking calculated characteristic circuit closed coil component condition connected connexion considered constant corresponding course curve determined direction driving effect electrical elements equal equations equivalent circuit Example excitation expression field flow flux follows forward frequency give given greater harmonics Hence impedance increase induction motor input limit load loss lower machine magnetizing magnitude maximum means method necessary negative negative-sequence neglected normal obtained operation output output voltage overlap parallel phase plotted positive positive-sequence possible primary produce R₁ ratio reactance rectifier reduced referred resistance resistor result rev/min reverse rotor rotor circuit secondary shown in Fig shunt single-phase slip speed starting stator supply synchronous taken terminal three-phase torque transformer vary voltage whilst winding zero