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Permanent Magnet Machine Design Boot Camp – Internal PM, Surface PM, and Brushless DC

November 9, 2020 - November 13, 2020

Permanent magnet (PM) electrical machine design is one of the most important skill sets needed to stay competitive in the motors and generators industry. This intensive course covers the design of several types of PM machines, including internal PM, surface PM, and brushless DC machines. You will gain essential information on the various types of PM machines used in traction motors, industrial motors, aerospace motors, appliance motors, and generator designs.

Who Should Attend?

This course will benefit those whose work requires PM machine design knowledge, especially engineers involved in the design, specification, and integration of components and systems.

  • Electrical engineers
  • Mechanical design engineers
  • Project engineers, program managers
  • Technical managers and supervisors
  • System integrators

Course Outline

Introduction to PM Machine Design

  • Surface PM
  • Internal PM
  • Brushless DC
  • PM assisted

PM Machine Terminology and Important Definitions

PM and PM Machine Modeling

  • Review of Br, Hc, and energy density of magnet types
  • Equivalent circuits for PMs
  • PM machine modeling

PM Machine Power and Torque Equations

  • PM torque and reluctance torque components
  • Equivalent circuits
  • Vector diagrams

Permanent Magnet Fundamentals and Trends

  • Energy density, remnant flux, and coercive force
  • Temperature effect
  • Losses
  • Price trends
  • Pros and cons of each magnet type for machine design

Advances in Magnetic Materials Technology

Sizing Equations for PM machines

  • Electric loading
  • Magnetic loading
  • Shear stress

Surface PM Machines

  • Design and analysis

Brushless DC Machines

  • Design and analysis

Internal PM Machines

  • Design and analysis of interior PM machines
  • Flux weakening and fault-tolerant design of PM machines
  • Distributed vs. concentrated windings in PM machines
  • Computer-based design optimization of PM machines

Thermal Analysis – Cooling and Ventilation Systems

  • Conduction, convection, and radiation
  • FEA, CFD, lumped-parameters equivalent-networks
  • Fan ventilation, liquid cooling

Noise, Vibration, Structural Issues of PM Machines

Manufacturing of PM Machines

  • Laminations, cores, windings, frames, assemblies
  • Material and manufacturing tolerances

Finite Element Analysis of PM Machines

  • Fundamentals
  • Examples

Examples of PM Machines for Traction Drives

  • Tear down examples from Oak Ridge National Lab

Design Considerations for the Realization of PM Motors

PM Machine Design for Loss Minimization Control

PM Machine Design for Self-Sensing Control

PM Assisted Synchronous Machines

  • Design
  • Finite element
  • Optimization

Special Topics

  • Axial flux PM machines
  • PM flux switching machines


November 9, 2020
November 13, 2020
Event Category:


Madison, WI United States + Google Map


Prof. Bulent Sarlioglu