Principles of AC Machine Design

Through a building-block teaching approach, you will develop a basic understanding of AC electric machine design. By learning the core concepts of electromagnetic laws for machine design, magnetic circuit calculations, loss mechanisms, analytical design techniques, and other essential topics, you will improve your skills, and ultimately, your work. Recent developments in AC electric machine design also will be covered in this course.

Learning Outcomes:

Understand the core concepts of electromagnetic laws and magnetic circuit calculations.
Learn analytical design techniques and loss mechanisms in AC machine design.
Explore recent developments and advancements in AC electric machine design.
Gain exposure to commercially available motor design tools.

Who Should Attend:

Engineers involved in the design, specification, and integration of components and systems requiring an understanding of AC machine design.
Electrical and mechanical design engineers seeking to enhance their expertise in AC machine design.
System engineers, project engineers, program managers, and technical leaders aiming to improve their skills and knowledge in AC machine design.

Course Details: RA01413-E044

Course Outline

Introduction to AC Machine Design

Induction, PM, synchronous and switched reluctance

Sizing Laws: the influence of size

Power Sizing Equations

Electric and magnetic loading
Shear stress

Winding Types

Full pitch and fractional windings
Fractional pitch windings
Distributed and concentrated windings
Fractional slot windings

Magnetic Circuits

Permeance and reluctance
Multiple circuit paths
Magnetic circuits with airgaps

Electric and Magnetic Materials

Permanent magnet types
Copper and aluminum
Steel types
Skin depth

Main Flux Path Calculations Using Magnetic Circuits

Main magnetic circuit of an induction machine
Effective gap and Carter''s coefficient
Effective length
Reluctance calculations

Leakage Reactance Calculations

Slot leakage inductance
Zigzag and differential leakage inductance
Skew and end turn leakage inductance

Calculation of Machine Losses

Eddy current and hysteresis losses
Friction, windage, and copper losses

Testing and Parameter Characterization

Thermal Analysis and Cooling Systems

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

Manufacturing Topics

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

Vibrations and Noise

Electromagnetic forces; harmonic components
Mechanism of transmission
Mitigation measures

Machine Design Examples

"Back of the Envelope" Calculations to Automated Optimal Computer Design

Finite Element Analysis

Fundamentals
Examples

Special Topics—How to Design Machines for Self-Sensing

Course Schedule

Location and Lodging

Course Location

Pyle Center

702 Langdon Street
Madison, WI 53706

Map

608-262-1122

866-301-1753

Lodging

DoubleTree by Hilton Madison Downtown

525 West Johnson Street
Madison, WI 53703

Map

Accommodations include: Enjoy complimentary business center, WiFi and Local/Airport Shuttle. Each room has a refrigerator, microwave, 42-inch HDTV, and executive desk. Parking available $15/night.

Online Reservations

608-251-5511

800-222-8733

Madison Concourse Hotel and Governor's Club

One West Dayton Street
Madison, WI 53703

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Room: rates start at $160

Accommodations include: Complimentary WiFi, Local/Airport Shuttle, Pool, and Fitness Center.

Fluno Center

601 University Avenue
Madison, WI 53706

Map

Accommodations include: Your stay includes hot breakfast buffet, fitness center, business center, convenient on-site parking. Guest rooms are complete with Keurig coffee maker, refrigerator, complimentary high-speed Internet, and 40-inch, flat screen, high-def TVs.

Online Reservations

877-773-5866

608-441-7117

More Madison Lodging Options

Course Notes

This is a HyFlex (in-person and online) taught course. Your registration is for one teaching platform only: in-person or online. Please be prepared to attend all days either in-person or online.

ALL students should obtain a UW NetID. Please access the Canvas platform once you receive your NetID. If you use a workplace computer or laptop you may not have administrative access to our website. Please check if you can access it before the first day of class. Check with your IT Dept to gain access or use a private computer.

A link to access the course materials and the webinar platform will be provided to all students a few days before the course. Please watch the email address you provide during registration for release dates and pre-course information.

No cancellations or refunds are permitted once you have accessed the online course and materials.

Instructors and Program Director

Instructors
Thomas Jahns
Grainger Professor of Power Electronics And Electric Machines
Dr. Thomas M. Jahns received his bachelors, masters, and doctoral degrees from MIT, all in electrical engineering.
Dr. Jahns joined the faculty of the University of Wisconsin-Madison in 1998 in the Department of Electrical and Computer Engineering. He served for 14 years as a Co-Director of the Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), a world-renowned university/industry consortium in the electrical power engineering field. Since 2021, he is the Grainger Emeritus Professor of Power Electronics and Electrical Machines.
Prior to coming to UW-Madison, Dr. Jahns worked at GE Corporate Research and Development (now GE Global Research) in Niskayuna, NY, for 15 years, where he pursued new power electronics and motor drive technology in a variety of research and management positions. His current research interests at UW-Madison include integrated motor drives and electrified propulsion for both land vehicles and aircraft.
Dr. Jahns is a Fellow of IEEE. He received the 2005 IEEE Nikola Tesla Technical Field Award “for pioneering contributions to the design and application of AC permanent magnet machines”. Dr. Jahns is a Past President of the IEEE Power Electronics Society. He was elected to the US National Academy of Engineering in 2015 and received the IEEE Medal in Power Engineering in 2022.
Ayman El-Refaie
Ayman M. EL-Refaie received the M.S. and Ph.D. degrees in electrical engineering from the University of Wisconsin– Madison in 2002 and 2005, respectively. Since 2005, he has been with the Electrical Machines and Drives Laboratory, General Electric Global Research Center, NY, USA as a Principal Engineer and Project Leader. He is the author of more than 50 journal, and 85 conference publications with several others pending. He holds 45 issued U.S. patents with several others pending. His research interests include electrical machines and drives. Since January 2017 he became the Thomas and Suzanne Werner Endowed Chair in Secure and Sustainable Energy at Marquette University. He is a Fellow of the IEEE
Darren Tremelling
Principal Scientist
Darren Tremelling, Ph.D. is currently a Principal Scientist in ABB Corporate Research.

After completing his doctorate in WEMPEC, University of Wisconsin - Madison, Dr. Tremelling has worked in ABB Corporate Research. His research experience covers a range of electric machines for various applications with power ratings between 1 [kW] to 7 [MW].
James Swanke
Senior Motor Design Engineer
James Swanke is an electrical machine designer with an extensive academic and professional background in electrical engineering. Graduating from the University of Wisconsin-Madison with a B.S. in 2014, a M.S. in 2019, and a PhD in 2023, James has developed a deep expertise in high-performance electrical machines. Prior to pursuing advanced degrees, he gained valuable experience working for Siemens specializing in the electromagnetic design of induction machines. During graduate studies, his research focused on the advancement of high-power density and fault-tolerant electrical machines for aerospace propulsion applications. Currently, James applies this extensive knowledge at H3X Technologies, where he continues to work on the development of cutting-edge permanent magnet machines.
Program Director
Erick Oberstar

Additional Information

Total Credits:

CEU 2,

PDH 20,

Applies to this Certificate:

Electrified Systems,

Course Administration

Fee Information

Fee covers morning and afternoon breaks, scheduled lunches, and course materials

Discounts

Team 3: receive 10% off when 3 or more sign up from the same employer.

$200 off for Wisconsin Electric Machines and Power Electronics Consortium, College of Engineering, UW-Madison. We will verify your affiliation.

Payment Options

If you are planning to attend an Interdisciplinary Professional Programs course, payment is required at the time of registration. Below are the payment options:

Pay by Credit Card

Enroll online and pay by credit card.

Search for the course on the website and then click on the Enroll Now button from the course webpage.
Enter all necessary course attendee information and payment information on the course enrollment page.
You will receive an email to confirm successful enrollment and payment.

Enroll over the phone and pay by credit card.

Call CERC Registrations at 608-262-2451.
Provide the registrations representative with:
- the course name, dates, and/or course number.
- the necessary course attendee information and payment information.
You will receive either a mailed document or an email to confirm successful enrollment payment.

Pay by Check

Mail in a completed registration form and check payable to UW Madison.

Fill out a registration form (found either in the back of the course brochure you received in the mail or here).
Prepare a check, made payable to UW Madison.
Mail the registration form and check to: CERC Registrations 21 N Park St, Ste 7101 Madison, WI 53715
You will receive either a mailed document or an email to confirm successful enrollment and payment.

Pay by Purchase Order

Request Purchase Order information from registration@cerc.wisc.edu
- If a fee quote is needed, contact custserv@interpro.wisc.edu first
You will receive an invoice from UW–Madison Business Services for payment, usually within 3–5 business days

Military

If using SF-182 form, please call our registration number at 608-262-2451 or email registration@cerc.wisc.edu for details and instructions.

Event Cancellation

We reserve the right to cancel a course due to insufficient enrollment or unforeseen events. If we cancel a course, participants will be notified via email or phone and will be given the option for a full refund or to transfer their registration and any fees paid to another course. We are not responsible for non-refundable plane tickets, hotel reservations, and other travel related expenses. For enrollee Course Cancellation, refer to notes on course page.

Cancellation Policy

If you cannot attend, please notify us no later than one week before your course begins, and we will refund your fee. Cancellations received after this date and no-shows are subject to a $150 administrative fee. You may enroll a substitute at any time before the course starts.

Principles of AC Machine Design

Learning Outcomes:

Who Should Attend:

Stay Connected

Course Details: RA01413-E044

Course Outline

Course Schedule

Location and Lodging

Course Notes

Instructors and Program Director

Additional Information

Course Administration

Fee Information

Discounts

Payment Options

Pay by Credit Card

Enroll online and pay by credit card.

Enroll over the phone and pay by credit card.

Pay by Check

Mail in a completed registration form and check payable to UW Madison.

Pay by Purchase Order

Military

Event Cancellation

Cancellation Policy

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Past Courses

Principles of AC Machine Design

AC Machine Design Fundamentals