EE8005 - SPECIAL ELECTRICAL MACHINES (Syllabus) 2017-regulation Anna University

EE8005

SPECIAL ELECTRICAL MACHINES

 LTPC

3003

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OBJECTIVES: To impart knowledge on the following Topics
• Construction, principle of operation, control and performance of stepping motors.
• Construction, principle of operation, control and performance of switched reluctance motors.
• Construction, principle of operation, control and performance of permanent magnet brushless D.C. motors.
• Construction, principle of operation and performance of permanent magnet synchronous motors.
• Construction, principle of operation and performance of other special Machines.

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UNIT I

STEPPER MOTORS

9

Constructional features –Principle of operation –Types – Torque predictions – Linear Analysis – Characteristics – Drive circuits – Closed loop control – Concept of lead angle - Applications.

UNIT II

SWITCHED RELUCTANCE MOTORS (SRM)

9

Constructional features –Principle of operation- Torque prediction–Characteristics Steady state performance prediction – Analytical Method – Power controllers – Control of SRM drive- Sensor less operation of SRM – Applications.


UNIT III

PERMANENT MAGNET BRUSHLESS D.C. MOTORS

9

Fundamentals of Permanent Magnets- Types- Principle of operation- Magnetic circuit analysis- EMF and Torque equations- Power Converter Circuits and their controllers - Characteristics and control- Applications.

UNIT IV

PERMANENT MAGNET SYNCHRONOUS MOTORS (PMSM)

9

Constructional features -Principle of operation – EMF and Torque equations - Sine wave motor with practical windings - Phasor diagram - Power controllers – performance characteristics -Digital controllers – Applications.

UNIT V

OTHER SPECIAL MACHINES

9

Constructional features – Principle of operation and Characteristics of Hysteresis motor- Synchronous Reluctance Motor–Linear Induction motor-Repulsion motor- Applications.

TOTAL: 45 PERIODS

OUTCOMES:
• Ability to analyze and design controllers for special Electrical Machines.
• Ability to acquire the knowledge on construction and operation of stepper motor.
• Ability to acquire the knowledge on construction and operation of stepper switched reluctance motors.
• Ability to construction, principle of operation, switched reluctance motors.
• Ability to acquire the knowledge on construction and operation of permanent magnet brushless D.C. motors.
• Ability to acquire the knowledge on construction and operation of permanent magnet synchronous motors.
• Ability to select a special Machine for a particular application.

TEXT BOOKS:
• K.Venkataratnam, ‘Special Electrical Machines’, Universities Press (India) Private Limited, 2008.
• T. Kenjo, ‘Stepping Motors and Their Microprocessor Controls’, Clarendon Press London, 1984
• E.G. Janardanan, ‘Special electrical machines’, PHI learning Private Limited, Delhi, 2014.

REFERENCES:
1. R.Krishnan, ‘Switched Reluctance Motor Drives – Modeling, Simulation, Analysis, Design and Application’, CRC Press, New York, 2001.
2. T. Kenjo and S. Nagamori, ‘Permanent Magnet and Brushless DC Motors’, Clarendon Press, London, 1988.
3. T.J.E.Miller,‘Brushless Permanent-Magnet and Reluctance Motor Drives’, Oxford University Press, 1989.
4. R.Srinivasan, ‘Special Electrical Machines’, Lakshmi Publications, 2013.

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