PX4202 Special Electrical Machines Syllabus:
PX4202 Special Electrical Machines Syllabus – Anna University PG Syllabus Regulation 2021
OBJECTIVES:
To understand the working, characteristics and speed control principles of stepper motor.
To study the construction, working, characteristics and speed control methods of switched reluctance motors. .
To know the principle of operation, construction, characteristics and speed control methods for the permanent magnet brushless DC motors.
To understand the concepts related with permanent magnet synchronous motors and synchronous reluctance motors.
To know the features of axial flux machines and its working principles
UNIT I STEPPER MOTORS
Constructional features –Principle of operation –Types – Torque predictions – Linear and Nonlinear analysis – Characteristics – Drive circuits – Closed loop control –Applications
UNIT II SWITCHED RELUCTANCE MOTORS
Constructional features –Principle of operation- Torque prediction–Characteristics-Power controllers – Control of SRM drive- Speed control-current control-design procedures- Sensorless operation of SRM – Current sensing- rotor position measurement and estimation methods sensorless rotor position estimation-inductance based estimation –applications
UNIT III PERMANENT MAGNET BRUSHLESS DC MOTORS
Fundamentals of Permanent Magnets- Types- Principle of operation- Magnetic circuit analysis EMF and Torque equations- Characteristics- Controller design-Transfer function –Machine, Load and Inverter-Current and Speed Controller
UNIT IV PERMANENT MAGNET SYNCHROUNOUS MOTORS
Permanent Magnet ac Machines, Machine Configurations, PMSM – Principle of operation – EMF and Torque equations – Phasor diagram – Torque speed characteristics – Modeling and small signal equations- evaluation of control characteristics- design of current and speed controllers Constructional features, operating principle and characteristics of synchronous reluctance motor
UNIT V AXIAL FLUX MACHINES
Axial Flux Permanent Magnet Machines- Comparison with Radial Flux Machines- Development Geometries, Principle of Operation-Torque production – Applications. Axial flux switched reluctance machine- Topologies and Structures -Operating Principles -Output Equation- Applications
TOTAL : 45 PERIODS
OUTCOMES:
After the completion of this course, student will be able to
CO1: Know the concepts related with stepper motor.
CO2: Understand the working and various characteristics of switched reluctance machines.
CO3: Study the working principle and characteristics of permanent magnet brushless DC motors.
CO4: Know the construction, working principles and characteristics of permanent magnet synchronous motor and synchronous reluctance motor.
CO5: Understand the features of axial flux machines in comparison with radial flux machines and to know the principles of axial flux machines.
REFERENCES:
1.Jacek F. Gieras, Dr. Rong-Jie Wang, Professor Maarten J. Kamper – Axial Flux Permanent Magnet Brushless Machines-Springer Netherlands (2008)
2.Bilgin, Berker_ Emadi, Ali_ Jiang, James Weisheng – Switched reluctance motor drives: fundamentals to applications-CRC (2019)
3.Ramu Krishnan – Permanent Magnet Synchronous and Brushless DC Motor Drives -CRC Press, Marcel Applications -CRC Press (2001)
4.T.Kenjo, ‘ Stepping motors and their microprocessor controls’, Oxford University press, New Delhi, 2000 Dekker (2009)
5.T.J.E. Miller, ‘Brushless magnet and Reluctance motor drives’, Clarendon press, London, 1989
6.R. Krishnan – Switched Reluctance Motor Drives_ Modeling, Simulation, Analysis, Design, and Applications -CRC Press (2001)