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Electric Drives & Their Control

By Prof. Nagendra Kr Swarnkar, Rahul Choudhary

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Rs. 180

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Specifications of Electric Drives & Their Control

Book Details

  • 978-93-80311-87-6
  • English
  • 2011, 2013, 2014
  • Paper Back
  • -

Contents

  • 1. Dynamics of Electric Drives
    Objectives, Introduction, Classification of Electric Drives, General Electric Drive System, Fundamental Torque Equations, Speed Torque Conventions and Multiquadrant Operation, Equivalent Values of Drive Parameters, Loads with Rotational Motion, Loads with Translational Motion, Measurement of Moment of Inertia, Nature and Classification of Load Torques, Components of Load Torques, Characteristics of Different Types of Loads, Steady State Stability, Load Equalization, Modes of Operation, Closed-loop Control of Drives, Current-Limit Control, Closed–Loop Torque Control, Closed–Loop Speed Control, Closed-Loop Speed Control of Multi-motor Drivers, Speed Sensing, Current Sensing, Phase-Locked-Loop (PLL) Control, Closed-Loop Position Control, Solved Examples, Review Questions, Problems.
     
    2. DC Drives
    Objectives, Introduction, Starting, Braking, Types of Electrical Braking, Speed Control, Controlled Rectifier Fed DC Drives, Single Phase Fully–Controlled Rectifier Control of DC Separately Excited Motor, Single–Phase Half-Controlled Rectifier Control of DC Separately Excited Motor, Three-phase Fully Controlled Rectifier Control of DC Separately Excited Motor, Three-Phase Half–Controlled Rectifier Control of DC Separately Excited Motor, Dual Converter, Chopper Control Fed DC Motor Drive, Chopper Control of Separately Excited Motor, Chopper Control of Series Motor, Regenerative Braking of Separately Excited Motor, Regenerative Braking of a Series Motor, Dynamic Braking of a Separately Excited Motor, Dynamic Braking of a Series Motor, Solved Examples, Review Questions.
     
    3. Induction Motor Drives-I
    Objectives, Introduction, Speed-Torque Curves, Methods of Starting Induction Motors, Star-Delta Method, Korndorfer Auto-Transformer Method, Soft-Start Power Electronics Method, Reactor Starter, Part Winding Starting, Braking, Regenerative Braking, Dynamic Braking, Plugging Braking, Speed Control, Stator Voltage Control, Closed loop speed control of induction motor using stator voltage control, Variable Frequency Control, Voltage Source Inverter (VSI) Control, Solved Examples, Review Questions.
     
    4. Induction Motor Drives – II
    Objectives, Introduction, Variable Frequency Control from a Current Source, Current Source Inverter (CSI) Control, Closed-Loop Speed Control of CSI Drives, Comparison of VSI and CSI Drives, Cycloconverter Control, Closed-loop Speed Control and Converter Rating for VSI as well as Cycloconverter Induction Motor Drives, Rotor Resistance Control, Static Rotor Resistance Control, Slip Power Recovery Schemes, Static Scherbius Drive, Close-Loop Control of Static Scherbius Drive, Static Kramer Drive, Modified Static Kramer’s Drive System, Solved Examples, Review Questions, Problems.
     
    5. Synchronous Motor Drive
    Objectives, Introduction, Synchronous Motor, Construction of Synchronous Motor, Speed of Synchronous Motor, Operation of Synchronous Motor, Starting Methods, Special Properties, Torque-speed Characteristic of a Synchronous Motor, Types of Synchronous Motor, Cylindrical Rotor Motors, Salient-Pole Motors, Reluctance Motors, Permanent-Magnet Motors, Speed Control of Synchronous Motor, Control of Synchronous Motors on Variable Frequency Supply, Voltage Source Inverter (VSI) Fed Synchronous Motor Drives, Braking of Synchronous Motors, Current Source Inverter Fed Synchronous Motor Drives, Current Source Inverter with Forced Commutation, Closed-Loop Control of Load Commutated Inverter Synchronous Motor Drive, Variable Frequency Control of Multiple Synchronous Motors, Solved Examples, Review Questions, Problems.
     
    P. Papers