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ECE 481: Power Electronics
Prof. Daniel CostinettDepartment of Electrical Engineering and Computer Science
University of Tennessee KnoxvilleFall 2017
ECE 481: Power ElectronicsInstructor: Prof. Daniel Costinett
Office: MK502Telephone: (865) 974 3572Email: dcostine@utk.edu
Please use [ECE481] in the subject line for all course related e mails.
Office Hours: W 12:30 1:30pm, T 3:00 4:00pm
Course MaterialsTextbook:
Erickson and Maksimovic, Fundamentals of PowerElectronics, second edition, Kluwer Academic Publishers,ISBN 0 7923 7270 0Available through campus bookstore, online vendors, oronline through UT libraries
Course Websitehttp://web.eecs.utk.edu/~dcostine/ECE481Includes lectures slides, handouts, supplemental notes,homework assignments, course announcements
AssignmentsHomework (35%)
Due at beginning of class on date listed on LectureSchedule web page (Fridays)No late work accepted except in cases ofdocumented emergenciesCollaboration is encouraged on all homeworkassignments but must turn in your own work
Midterms and Labs (35%)Final (30%)
Lab SequenceHands on experience testing and controlling GaN basedconverter3 lab sequence in modeling, open loop control and analysis, andclosed loop controlCompleted in groups of 2 3 outside of normal lecture hours
ECE 481 vs ECE 599Students enrolled in ECE 599 will haveadditional homework and exam problemsGrading
Separate curving for ECE 481 and ECE 599Extra credit is added to final grade after anycurving
How to Succeed in ECE 481Attend all lectures
Participate; ask questions or ask for clarificationRead textbook for additional explanationComplete all homework assignments
Attempt homework alone prior to collaboratingReview and understand mistakes~12 assignments for 35% of the grade
Power Electronics Courses at UTK
ECE 325Electric Energy System
Components
ECE 481Power Electronics
ECE 482Power Electronic
Circuits
ECE 523Power Electronics and
Drives
ECE 525Alternative Energy
Sources
ECE 623Advanced Power
Electronics and Drives
ECE 625Utility Applications ofPower Electronics
ECE 626Solid State PowerSemiconductors
Junior Senior Graduate
ECE 581High Frequency Power
Electronics
Undergraduate Research in Power Electronics
Opportunity for paid (hourly) undergraduate researchdeveloping SiC microgrid converters
o Testing of high voltage transistors and controllerso Software for controlling microgrid converters
Timeframe: immediate start, continues through SpringsemesterContact Professor Fred Wang for detailsFred.wang@utk.edu
Introduction to Power Conversion
Example VRM Design
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Example VRM Design
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Power Transmission: Saturable Reactor
EVs: Integrated Converter
Traditional 2-stage drivetrain topology
Combined isolated/non-isolated topology
5kW Scaled-Down Converter Prototype
Full Power, 3D-Printed Module
Renewables: 2kW Power Dense Solar Inverter
CAD Model of Power-Dense Design
Protoype 2kW Solar Inverter Commercial Product Size Comparison
Thermal Test at Full Power
3.8cm
3.8cm
Powered entirely bycommercial 5.8GHz WiFiadapterAble to operate with ~5μWpower using only off the shelfcomponentsAble to operate down to100nW using a custom IC
Medical Devices: RF Energy Harvesting
Pout boostPout boost
Popovic, Z.; Falkenstein, E.A.; Costinett, D.; Zane, R., "Low Power Far Field Wireless Powering for Wireless Sensors," Proceedings of the IEEE , vol.101, no.6,pp.1397,1409, June 2013Paing, T.; Falkenstein, Erez; Zane, R.; Popovic, Z., "Custom IC for Ultralow Power RF Energy Scavenging," Power Electronics, IEEE Transactions on , vol.26, no.6,pp.1620,1626, June 2011
Wearable Electronics: Medical SensorVarious biological markers can now be sensedthrough noninvasive methodsPulse, water content, GSR, blood glucose levels,oxygen content, etc.Precision integrated power electronics and lowpower circuit design techniques needed for futureimplementations
Part I: Converters in Equilibrium
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