A First Course on Electrical Drives
New Age International, 1989 - 235 páginas
The Aim Of Revision Is Mainly To Acquaint The Students With The Recent Trends In The Development Of Electric Motors Used As Prime Movers In Electric Drive Systems.The Chapter On Introduction To Solid State Controlled Drives Has Been Expanded To Include Sections On Increasingly Used *Brushless Dcmotors And Switched-Reluctance Motors.A Separate Chapter On The More Commonly Used Position Control Drive Motors, Namely,Stepper Motors Has Been Also Incorporated.The Drives Used In The Fast Growing Petroleum Industry Have Been Included In The Chapter On Industrialapplications.
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Characteristics of dc Motors
Characteristics of ac Motors
Rating and Heating of Motors
Introduction to Solid State Controlled Drires
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3-phase acceleration angular applied voltage armature circuit armature current autotransformer braking torque brushless dc motor cent circuit resistance connected constant load corresponding cycloconverter dc motor dc series motor dc shunt motor determine drive system duty cycle electric drive energy lost equation field current field resistance frequency frequency changer full load torque heating Hence hoisting increase induced emf induction motor inverter line shaft load current machine magnitude maximum torque mechanical moment of inertia motion motor driving motor torque Newton metres obtained operation plugging position pulses pump quadrant ratio reactance rectifier reduced regenerative braking rheostatic braking rolling mills rotor circuit rotor resistance shown in Fig slip slipring speed-torque characteristics Speed-torque curves starting torque stator resistance stator winding stepper motor supply switching synchronous motor synchronous speed temperature rise three phase thyristor torque characteristics torque curves torque developed variable variation vary waveform zero