Designing Electric Machines - Consortium of Universities...
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DESIGN OF ELECTRIC MACHINES
(Lectures series for detailed design of
electric motors & generators)
Prepared for Graduate Curriculum Development By University of Minnesota
Jim Hendershot
(2012)
Jim Hendershot 2013 1

FoundaOonal theories and principles of electro-‐magneOc machine design • Faraday’s Law • Lenz’s Law • Biot-‐Savart Law
• These principles along with Maxwell’s equaOons have been taught by most
of you in your Undergraduate courses and graduate courses.
Jim Hendershot 2013

The following Generators were design by engineers who had a full understanding of those same principles
Jim Hendershot 2013
30 KW DC Dynamo (1890) 700,000 KW AC Generators (2012
What did the design engineers of 2012 know that those in 1890 did not know? Maybe, a lot of design experience & new materials leading to product evoluOon?? (Not taught in UniversiOes ??)
Pearl street staOon (N J)
Three Gorges China

More old vs. new electric Motor examples
Jim Hendershot 2013
CHEVY VOLT
TESLA
Technological progress from E.E. & M.E. engineers design experience, new materials, computers & microprocessors
2013 electric cats

Electric machine design lecture series created to teach the design process for electric motors & generators based upon fundamental theories
Recommended to supplement electric machine theory for advanced courses in electric machines
Jim Hendershot 2013

Examples of slides from lecture series
Jim Hendershot 2013
Available for download from www.cusp.umn.edu