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Tomy SebastianNexteer Automotive
(A Division of General Motors)
Saginaw, Michigan, USA
Power Electronics and Drives
Education:
An Industrial Perspective
Date
2
Engineering Resource Flow
Undergraduate
Bachelors
Graduate
Masters/PhD
Industry
Academic
Teaching / Research
Date
3
Undergraduate Education-Power Engineering
Should be to prepare a student with knowledge in the
wide areas covered by power engineering – Not to
make an expert in any specific area
It should provide the basic foundation to build on
during one’s graduate degree or industry tenure
It should impart sufficient knowledge so that even
when one is specializing in a specific area the impact
of the adjacent areas can be well understood.
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4
Areas of required knowledge (Technical Competence)
Magnetics
Machines
Control System
Devices
Computers / Processors
Power Electronic Circuits
Storage Devices Capacitors, Battery etc.
Analysis Techniques
Basic math & Science
Etc.
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Other areas (Social Competence)
Team work
Design experience
Problem solving
Project management
Financial skills
Leadership skills
Communication
Safety
Manufacturing
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Safety & Environment
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Environment
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Innovation
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Alarming Trends
Elimination of basic Machines and other power
courses – Still call Power Engineers?
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10
Reality
Though we as power engineers love power, no one
wants to deal with it
No space for packaging (It should not take any space)
Nothing to cool (No loss allowed)
It has to do all the work without the user knowing it (hidden
horse)
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Automotive example
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Hubble
Date
13The International Space Station
Date
14The surroundings
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The jets are illuminated by 6600 electric bulbs and 50 colored
light projectors.
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The cost of construction of the fountain was 220 million dollars.
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80v 44-cell battery
2.5 hp at 120 rpm
sustain 7 hp for up to 20 minutes
Top speed of 31 mph.
At 10 mph, a range of 30 miles.
3.5 HP Engine powered two In wheel motors
300 cars sold
First Hybrid Car
Porsche’s first hybrid, circa 1901
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Success of a power Engineer depends on his/her ability to
understand the systems needs and apply the specific learnings
to achieve system objectives
Most innovation occurs at the intersection of disciplines and not
within the disciplines conventionally defined
This requires basic understanding of the system involved. Just
power topics knowledge is insufficient
In several cases power engineer has to take responsibility for
other disciplines too.
One should be able to develop and interpret requirements
Need Engineers who can use any of the tools not “MatLAb
Engineers”
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There are power electronics systems
hiding everywhere
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There are power electronics systems
hiding everywhere
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There are power electronics systems
hiding everywhere
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There are power electronics systems
hiding everywhere
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There are power electronics systems
hiding everywhere
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There are power electronics systems
hiding everywhere
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Masters and PhD
Expected to have deeper knowledge in a specific
topic area
Ability to apply these knowledge to solve system
problems
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26
Summary
Traditional Basic Power Engineering courses should
not become victims of new courses
Undergraduates should have enough tools in their
tool box to understand and solve system problems
Lab experience and project experiences are
invaluable
Recommended