EE6108 – Advanced Electrical Machine Design

• Fundamentals of design of electrical machines.
• Classification of electrical machines based on their torque production.
• Introduction to winding design: overview on induced emf through coils due to magnetic induction, effects of changing the pole numbers for a particular coil, correlation between the space harmonics of air-gap flux density and the induced emf in coils.
• Calculating the winding factor of a coil using ‘star of slots’ technique.
• Drawing of air-gap MMF and calculation of harmonic contents.
• Overview of distributed and concentrated, single and multi-layer winding.
• Choice of suitable slot-pole combinations for certain speed/power ratings of machines.
• Design of permanent magnet, their electrical equivalent circuit, permeance coefficient and load line.
• Effect of permanent magnet shape, and position on machine performance.
• Design of singly salient and doubly-fed synchronous machine such as EESM, SPMSM, IPMSM.
• Design of doubly salient and singly-fed synchronous machine such as SRM.
• Design of singly salient and singly fed synchronous machine such as SynRM.
• Design of squirrel cage.
• Brief overview on axial flux machines.
• Brief overview of FEM-based simulation, optimization, thermal and structural analysis of electrical machines and co-simulation (ANSYS and Matlab) for motor control

Text/References:

1.    The Performance and Design of Alternating Current Machines, M. G. Say, CBS Publishers, 1983.
2.    Analysis of Synchronous Machines, Thomas A. Lipo, CRC press, 2017.
3.    Brushless Permanent Magnet and Reluctance Motor Drives, T. J. E. Miller, Oxford Science Publications, 1989.
4.    Design of Brushless Permanent Magnet Motors, J. R. Hendershot, T. J. E. Miller, Magna Physics Publishing and Clarendon Press, Oxford, 1994.
5.    Special Electrical Machines, K. Venkataratnam, Universities Press, 2021.
6.    Reluctance electric machines: Design and control, I. Boldea, L. Tutelea, CRC Press, 2018.
7.    The rediscovery of synchronous reluctance and ferrite permanent magnet motors: Tutorial course notes, Gianmario Pellegrino, Thomas M. Jahns, Nicola Bianchi, Wen L. Soong, Francesco Cupertino, Springer,  2016.
8.    Brushless Permanent Magnet Motor Design, Duane C. Hanselman, McGraw-Hill, INC, 1994.