Orientation Professional Masters Program in Power Electronics Prof

Orientation: Professional Master’s Program in Power Electronics Prof. Bob Erickson University of Colorado Boulder August 21 2018 University of Colorado Boulder rwe@colorado. edu 1

Applications of Power Electronics in Everyday Electronics High-frequency DC-DC Power factor correction rectifier AC-DC PFC rectifier Battery DC-DC with transformer isolation Off-line DC-DC VDC, high Renewable energy Power systems Portable electronics Desktop computers Embedded systems Consumer electronics Telecommunications Medical electronics Automotive electronics etc. University of Colorado Boulder Electronic ballast CCFL inverter for LCD backlighting VDC, medium Point-of-Load DC-DC VDC, low Point-of-Load DC-DC m. P DC-DC Multi-phase microprocessor supply (VRM) 2

Applications of Power Electronics in Renewable Energy Photovoltaic power conversion electronics • • Electric vehicles Energy storage Wind power conversion electronics SVM FPGA controller: Multilevel space vector & Lyapunov control, commutation 0 -440 VAC 3ø 85 k. VA 30 Hz : 60 Hz 9 -module matrix converter w / multilevel switching University of Colorado Boulder 3

Co. PEC Colorado Power Electronics Center University of Colorado Boulder Faculty Khurram Afridi Robert Erickson, co-Director Hanh-Phuc Le YC Lee Dragan Maksimovic, co-Director Zoya Popovic University of Colorado Boulder 4

Composite Converter Technology: Transformational Improvements in Electric Vehicle Power Electronics Integrated Charger + Vbatt - DC-DC Converter + Vbus Inverter - • Fundamental improvements to boost dc-dc conversion architecture • Improvement in power density: 4 x • Reduction in drive cycle loss: 4 x • Reliability (MTTF) improvement: 10 x • Integrated level 2 charger University of Colorado Boulder Motor PI: R. Erickson Co-PI: D. Maksimovic Prius Composite Sw freq 10 k. Hz 240 k. Hz Power density 3. 8 k. W/L 21 k. W/L CAFE Pout/Ploss 18 60 $2. 5 M DOE Vehicle Technologies Incubator project $3. 6 M ARPA-E CIRCUITS project 5

Graduate Curriculum in Power Electronics at CU-Boulder Tenure-track faculty Additional instructors Bob Erickson Dragan Maksimovic Hanh-Phuc Le Bri Mathias-Hodge Emiliano Dall’Anese Power Electronics Core • ECEN 5797 Introduction to Power Electronics • ECEN 5807 Modeling and Control of Power Electronics Systems • ECEN 5817 Resonant and Soft. Switching Techniques in Power Electronics (Certificate in Power Electronics) University of Colorado Boulder Bob White Roger Bell Carlo Martinez-Anido Ibrahim Krad Graduate Lab Core • • ECEN 5517 Photovoltaic Power Electronics Laboratory ECEN 5007 Project Laboratory in Power Electronics Significant offerings also in: • • Electric vehicle drivetrain technology Power management IC design Grid integration of renewables Control systems 6

A Typical Schedule Semester Fall 2018 Core 5797 Intro to PE Other 1 -2 electives Spring 2019 5517 PV PE Lab 5807 Modeling & Control 0 -1 elective Fall 2019 5009 PE Project Lab 1 -2 electives Spring 2020 5817 Resonant Convs 1 -2 electives • Typical load: 2 -3 courses per semester • Total of 30 credit hours (10 courses) required for degree • 5797 is prerequisite for other core courses • 5517 is prerequisite for 5009 project lab Electives: At least one selected from Power Electronics Program Electives. Remaining four courses: at least three approved technical electives. University of Colorado Boulder 7

Power Electronics Core ECEN 5797 Introduction to Power Electronics • • Fall 2018, offered every fall Instructor: Prof. Erickson MWF 10 -10: 50 am, HUMN 1 B 80 Prerequisite for graduate lab courses and remainder of power electronics theory courses • • Basic power converter circuits and their analysis Averaged modeling of switching converters Converter dynamics and control Magnetics design for power electronics http: //ecee. colorado. edu/~ecen 5797 University of Colorado Boulder 8

Power Electronics Core ECEN 5807 Modeling and Control of Power Electronics Systems • • • Spring 2019, offered alternate spring semesters Instructor: Prof. Maksimovic Second of three theory courses comprising the Graduate Certificate in Power Electronics • Design-oriented analysis of converter systems Simulation and averaged switch modeling Low harmonic rectifiers Current mode control Input filter analysis and design Digital control of converter systems • • • http: //ecee. colorado. edu/~ecen 5807 University of Colorado Boulder 9

Power Electronics Core ECEN 5817 Resonant and Soft Switching Phenomena in Power Electronics • • • Spring 2020, offered alternate spring semesters Instructor: TBD Third of three theory courses comprising the Graduate Certificate in Power Electronics • • Mechanisms of switching loss Resonant converters Soft switching techniques Analysis methods: fundamental approximation, state plane analysis http: //ecee. colorado. edu/~ecen 5817 University of Colorado Boulder 10

Power Electronics Core ECEN 5517 Photovoltaic Power Electronics Lab • Offered: every Spring semester • Design, simulate, build, debug, and demonstrate a standalone solar power system • Prerequisite: ECEN 5797 Introduction to Power Electronics University of Colorado Boulder 11

Power Electronics Core ECEN 5009 Power Electronics Project Lab • Offered: every Fall semester • Complete an individual project to meet specifications • Prerequisite: ECEN 5517 Photovoltaics Power Electronics Lab • Well-equipped power electronics lab • Taught by experienced and well-known engineers • Design and simulation verification to meet requirements • Printed-circuit board development • Testing and debugging Demonstrate your working project when you interview University of Colorado Boulder 12

Certificate in Electric Drivetrain Technology ECEN 5017 Power Electronics for Electric Vehicles • Architectures, modeling and simulations of electric drivetrains • Analysis, modeling and design of vehicle power electronics Offered every fall semester AC Drives: Offered every spring semester • One of four courses in the Graduate Certificate in Electric Drivetrain Technology, through a Department of Energy sponsored GATE Center of Excellence in Innovative Drivetrains in Electric Automotive Technology Education (IDEATE) University of Colorado Boulder 13

Certificate in Electric Drivetrain Technology IDEATE: Innovative Drivetrains in Electric Automotive Technology Education • Joint center between CU-Boulder and UC Colorado Springs campuses • Graduate certificate in Electric Drivetrain Technology (EDT) University of Colorado Boulder 14

Next Generation Power Systems • ECEN 5009 -001 Renewable Energy and the Future Power Grid (Fall) • ECEN 5008 -001 Power Systems Analysis (Fall) • ECEN 5007 -003 Power System Planning and Optimization (Spring) • ECEN 5007 -001 Advances in Control and Optimization of the Power Grid (Spring) University of Colorado Boulder 15

Analog and Mixed-Signal Integrated Circuit Design ECEN 5827 Analog IC Design • • Offered every fall Prof. Maksimovic, F 2018 ECEN 5837 Mixed-Signal IC Design Lab • Offered alternate spring semesters ECEN 5007 -002 Integrated Circuits for Power Management • Offered alternate spring semesters, beginning S 2019 University of Colorado Boulder 16

Other Recommended Electives ECEN 5138 Control Systems Analysis (Offered every fall semester) ECEN 5458 Sampled Data and Digital Control Systems (Offered every spring semester) ECEN 5555 Energy Systems and Devices (Offered every fall semester) Other courses in microwaves/RF, control systems, embedded systems, semiconductor devices, mathematics University of Colorado Boulder 17

Additional Opportunities for PE PMP Students • Summer Internships at Companies • CU Job Fairs • Internships at NREL • Power system courses taught by NREL researchers • PMP Student Assistants • Managed by PMP faculty • Online Mentorships • • New Coursera-based MSEE degree will ramp up in 2019 Program will hire PE students who have completed on-campus courses to serve as online homework testers and forum mentors University of Colorado Boulder 18

PMP Activities Power Electronics PMP Social Committee • Organize periodic social events • Budget provided by program • Committee volunteers are solicited: contact Prof. Erickson Awards • Recognition of outstanding PMP-PE performance • Selected by program faculty University of Colorado Boulder 19