Synchronous Reluctance Machines

Nicola Bianchi is a full professor at the Department of Industrial Engineering of the University of Padova, Italy. He is the head of the Electric Drive Laboratory, where research focuses on electrical motors and their control. His research interests include the analysis of the performance, determination of the parameters, design, optimization and control of innovative machines. He is an IEEE Fellow Member. He is co-author of more than two hundred papers and several books.Cristian Babetto is a design specialist at Marelli Motorsport, Corbetta, Italy. His activities focus on the design and analysis of electromagnetic devices and high-performance electric motors for motorsport applications. He received a PhD in industrial engineering from the University of Padova (Italy) in 2020. During his PhD studies, he mainly worked on the analysis and optimization of synchronous reluctance machines for fault-tolerant and high-speed applications.Giacomo Bacco is an E-Motor Engineer in the Advanced Engineering group at Magna Powertrain. His work includes the analysis and design of electric drives for automotive applications. He received the BSc, MSc and PhD degrees from the University of Padova in 2013, 2016 and 2020, respectively. His research interests covered the analysis, design and optimization of electric machines, in particular anisotropic synchronous machines (IPMM and SyRM).

• Chapter 1: IntroductionChapter 2: Magnetic materialsChapter 3: Synchronous reluctance motor geometry drawingChapter 4: Reluctance network model of high-speed synchronous reluctance machinesChapter 5: Nonlinear analytical model for synchronous reluctance machinesChapter 6: Design criteria of flux-barriers in synchronous reluctance machinesChapter 7: Structural analysis with GetDPChapter 8: Efficiency map computationChapter 9: Multi-objective optimizationChapter 10: Design and optimization of a PMaSyR motor for low-voltage E-scooter applicationsChapter 11: Synchronous reluctance motor optimization for pumping applicationChapter 12: High-torque low-speed permanent magnet assisted synchronous reluctance motor designChapter 13: Bonded magnets in PMaSyR machinesChapter 14: High-speed synchronous reluctance machinesChapter 15: Overview of fault-tolerant SyR machinesChapter 16: Impact of winding arrangement in dual three-phase synchronous reluctance machineChapter 17: Optimization of a synchronous reluctance machine for fault-tolerant applicationsChapter 18: Experimental validation of a synchronous reluctance machine for fault-tolerant applicationsChapter 19: Self-sensing-oriented optimization of synchronous reluctance machine designChapter 20: ConclusionsReferencesAppendix A: Iron losses insightsAppendix B: MMF distribution along the stator peripheryAppendix C: HS-SyR analytical model constantsAppendix D: GetDP elasticity formulationAppendix E: Maxwell stress tensor derivationAppendix F: High-frequency signal injection mathematical modelAppendix G: Incremental permeability simulations for differential inductances computation