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    Electrical Machines - ME505A

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    Sa Da
    This document outlines the course content for an Electrical Machines course. The course is divided into 4 modules that cover various topics related to DC machines, 3-phase induction machines, synchronous machines, and fractional kilowatt motors. Module I discusses DC generators and motors, armature reaction, commutation, and operating characteristics. Module II covers induction motors as transformers, equivalent circuits, torque-slip characteristics, and speed control. Module III examines synchronous machine construction, excitation, armature reaction, parallel operation, and starting. Module IV focuses on single-phase induction motors, servo motors, stepper motors, and brushless DC motors. The course includes numerical problems to be solved in tutorial classes. Suggested textbooks are also listed.

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    Electrical Machines - ME505A

    Uploaded by

    Sa Da
    112 views1 page
    This document outlines the course content for an Electrical Machines course. The course is divided into 4 modules that cover various topics related to DC machines, 3-phase induction machines, synchronous machines, and fractional kilowatt motors. Module I discusses DC generators and motors, armature reaction, commutation, and operating characteristics. Module II covers induction motors as transformers, equivalent circuits, torque-slip characteristics, and speed control. Module III examines synchronous machine construction, excitation, armature reaction, parallel operation, and starting. Module IV focuses on single-phase induction motors, servo motors, stepper motors, and brushless DC motors. The course includes numerical problems to be solved in tutorial classes. Suggested textbooks are also listed.

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    This document outlines the course content for an Electrical Machines course. The course is divided into 4 modules that cover various topics related to DC machines, 3-phase induction machines, synchronous machines, and fractional kilowatt motors. Module I discusses DC generators and motors, armature reaction, commutation, and operating characteristics. Module II covers induction motors as transformers, equivalent circuits, torque-slip characteristics, and speed control. Module III examines synchronous machine construction, excitation, armature reaction, parallel operation, and starting. Module IV focuses on single-phase induction motors, servo motors, stepper motors, and brushless DC motors. The course includes numerical problems to be solved in tutorial classes. Suggested textbooks are also listed.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    112 views1 page

    Electrical Machines - ME505A

    Uploaded by

    Sa Da
    This document outlines the course content for an Electrical Machines course. The course is divided into 4 modules that cover various topics related to DC machines, 3-phase induction machines, synchronous machines, and fractional kilowatt motors. Module I discusses DC generators and motors, armature reaction, commutation, and operating characteristics. Module II covers induction motors as transformers, equivalent circuits, torque-slip characteristics, and speed control. Module III examines synchronous machine construction, excitation, armature reaction, parallel operation, and starting. Module IV focuses on single-phase induction motors, servo motors, stepper motors, and brushless DC motors. The course includes numerical problems to be solved in tutorial classes. Suggested textbooks are also listed.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 1

    Electrical Machines

    ME-505A
    Contacts: 3L
    Credits- 3
    Topic No of periods
    Module-I: DC Machines:
    EMF generated in the armature. Methods of Excitation, Armature reaction & its effect in the
    performance, Methods of decreasing the effects of Armature reaction, Effect of Brush shift.
    Commutation process.
    Operating Characteristics of DC Generators: Separately Excited generators, Shunt Generators, Series
    Generators and Compound Generators.
    Torque equation of D.C motor, Operating Characteristics of Shunt, Series & Compound motors.
    Losses and efficiency of DC machines, Hopkinson’s and Swinburne’s test
    D.C Machine application: Generator application, Motor application
    3
    2
    2
    2
    1
    Module-II: 3-Phase Induction machine:
    Induction motor as a Transformer, Flux and MMF phasors in Induction motors,
    Equivalent circuit, Performance equations, Induction motor phasor diagram
    Toque-slip characteristic, Power slip characteristic.
    Speed control of Induction motor
    Polarity Test, Application of Polyphase Induction motor.
    1
    2
    1
    2
    1
    Module-III: Synchronous Machines:
    Construction, Types, Excitation system, Generator & motor modes
    Armature reaction, Theory of salient pole machine, Two reaction theory, Voltage regulation
    Parallel operation of alternators, Synchronous machine connected to infinite bus, effect of change of
    excitation and speed of prime mover.
    Starting of Synchronous motor, V-Curve, Damper winding, Hunting.
    2
    3
    3
    2
    Module-IV: Fractional Kilowatt motors:
    Single phase Induction motor: Construction, Double revolving field theory. Starting methods, Speed -
    torque characteristics, Phasor diagram, Application
    Principle of operation of AC servo motors, Stepper motors, Techo generators, Brush less DC motors.
    3
    3
    Numerical Problems to be solved in the tutorial classes.
    Text Books:
    1 P.S. Bhimra, Electrical Machinery, Khanna Publishers.
    2 D.P. Kothari & I.J Nagrath, Electric machines, Tata Mc Graw-Hill Publishing Company Limited.
    3 P.K. Mukherjee & S. Chakrabarty, Electrical Machines, Dhanpat Rai Publication.
    Reference Books:
    1. Bhag S. Guru and H.R. Hiziroglu, Electric Machinery & Transformers, Oxford University press.
    2. R.K. Srivastava, Electrical Machines, Cengage Learning.
    3. Alexander S Langsdorf, Theory of Alternating Current Machinery, Tata Mc Graw Hill.
    4. M.G.Say, The performance and Design of Alternating Current Machines, CBS Publishers & Distributors.
    5. Irving L Koskow, Electric Machinery & transformer, Prentice Hall India.

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