WBG Power Electronics Traineeship Leon M. Tolbert, Fred Wang, Daniel J. Costinett, Benjamin J. Blalock, and Zheyu Zhang Madhu Chinthavali, Burak Ozpineci, Zhenxian Liang, Zhiqiang Wang April 1, 2016 Knoxville, Tennessee
UTK Power Electronics at a Glance Part of the 10-year NSF/DOE Engineering Research Center (CURENT) Faculty o Daniel Costinett, Leon Tolbert, Fred Wang, Ben Blalock, Zheyu Zhang Students and Postdocs o Four post-docs, 20 Ph.D. students, 3 M.S. students, 6 B.S. students, and several visiting faculty Close collaboration with Oak Ridge National Laboratory o Burak Ozpineci, Madhu Chinthavali, Zhenxian Liang, Zhiqiang Wang, Tim Burress 2
Program Overview Provide design-oriented education and hands-on training with WBG power electronics In 5-year period, recruit 30 M.S. or Ph.D. U.S. citizens for traineeship. Students will also have opportunities for research experiences and internships at nearby Oak Ridge National Laboratory and/or U.S. companies. 3
Student Timeline 4
Program Timeline 5
Modification of Courses to Include More WBG Content ECE 482 - Power Electronic Circuits ECE 525 - Alternative Energy Sources ECE 581 - High Frequency Power Electronics ECE 623 - Advanced Power Electronics and Drives ECE 625 - Utility Applications of Power Electronics ECE 626 - Solid State Power Semiconductors ECE 692 - Power Electronics Technologies 6
New Courses Added to Curriculum Wide Bandgap Power Electronics Recorded Wide Bandgap Device Characterization and Application Power Electronics Packaging WBG Seminar Recorded WBG Certificate will be offered to students completing 4 WBG courses and 1 professional development course in entrepreneurship, engineering economics, or project management. 7
Professional Development Seminars Research skills / attitudes Technical writing Giving effective technical presentations Poster presentation tips Ethics in engineering Entrepreneurship and innovation in engineering Importance of diversity / cultural perceptions Women in power engineering Laboratory safety Careers in academia 8
Evaluation and Dissemination All students will do thesis or dissertation that has an experimental component. Information disseminated through traditional publications (including education journals) and also web-based modules. Entrance, exit, and 1-year follow up surveys of students and industry will be performed to assess effectiveness of traineeship (skills learned). Will also present results to CURENT Industry Advisory Board, EECS Industry Advisory Board Webpage under construction temporary location: http://power.eecs.utk.edu/wbg 9
First Year Recruiting Name Program Undergrad Univ Doug Bouler MS Tennessee Spencer Cochran PHD Tennessee Jacob Dyer PHD Tennessee Tech Univ. Jordan Gamble MS Penn State Middletown Maeve Lawniczak MS Tennessee Daniel Merced Cirino PHD Puerto Rico Mayaguez Mark Nakmali MS Oklahoma Kamal Sabi PHD Colorado Jordan Sangid MS Tennessee Craig Timms MS Dayton 10
Power Electronics Research Focus Utility Grid and Alternative/Distributed Energy Systems Transportation Power Systems 11
Selected Ongoing and Recent Projects Grid Applications HVDC converters and systems FACTS converters Magnetic amplifier controller Power electronics converter based grid emulator Grid support and interface of renewable energy sources Microgrid controller WBG and Transportation Data center power supplies using WBG devices SiC based integrated power modules DC Power SiC based inverter and motor drive design Supply Input EMI filter for high-density motor controller GaN based high-density high efficiency chargers HV SiC Device Gate Drives Wireless charging for devices and vehicles DC link Medical devices Cryogenically-cooled inverter design for next gen aircraft Coaxial Shunt IGBT Module CM400DY-12NF (600V/400A) Inductor Connector OC Protection Turn-off Control Turn-on Control 12
CURENT Facilities Control and Visualization Lab Low and Medium Power Lab Conference Room High Power Lab Grid Emulation Lab 13
CURENT Laboratory Laboratory Tour Available today, Friday, April 1, 4:15 6 pm Min Kao Electrical Engineering and Computer Science Building, 1 st Floor o Corner of Estabrook Drive and Cumberland Avenue http://power.eecs.utk.edu/wbg curent.utk.edu 14
ORNL - Rapid Prototyping for Converters and Inverters Designed and built a power module based on a small DBC phase leg, designed a copper base, and designed a 3D printed ABS lead frame & package. Packaging and housing was designed and 3D printed in-house for this all SiC Inverter 15
Multifunctional Integrated Power Module Multifunctional: Universal power module that can be used for Ac-dc, dc-ac, dc-dc, ac-ac conversion. DC terminal (+) Integrated cooling Integrated lead frame: Bus bar structure for power routing Interconnects for low power electronics Cylindrical capacitor between the busses Initial proof of concept Flow header DC Bus Capacitor DC terminal (-) Aluminum endcaps serve as main structure serve as electrical busses contain flow paths and injectors for coolant 16
Acknowledgments This work is supported by DOE Award DE-EE0007304. Other US government and industrial sponsors of CURENT research are also gratefully acknowledged. 17