cpes orientation overview fcl 13nov15(updated)
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byFred C. Lee
Director, Center For Power Electronics SystemsAn Engineering Research Center
CPES OverviewCPES Seminar Series – Fall 2015
November 13, 2015
Power Electronics Research Group (PERG)
Fred Lee was hired To fix the broken-down of a
Electric Vehicle
Leo Grigsby
1977
SponsoredResearchPERG
VPEC
VIRGINIA POWER ELECTRONICS CENTER
NSF-ERC
University
Partnership
VPEC/CPES Funding Growth (1977 – present)
VPEC
VIRGINIA POWER ELECTRONICS CENTER
5 Faculty members1 Affiliate Faculty6 Research faculty4 Full-time Staff2 Part-time Staff
20 Visiting Scholars39 Doctoral Students
6 Masters Students
VLF Transmitter Power AmplifierFunded under NAVY (1978)
Sponsored by Naval OceanSystem Center, San Diego
Modular multi-cell converter for VLF Transmitter Power Amplifier
DC-to-Sinusoidal Inverter Using Vector Summation Scheme Inverter for Medium Voltage Drives
250V
4KV
Prof Dan Chen (1979-2005)
National TaiwanUniversity
(2005- present)
Prof. Vatché Vorpérian
Virginia 1984-1991JPL
Prof. Bo Cho(1985-95)
Ph.D.(1985)1995- Present,
Prof. Seoul National University
Member, of KAE
VPES Faculty Members
Soft Switching
vds
id
Energy
transfer
“Zero-Voltage Switching Techniques in DC/DC Converter Circuits,” K.H. Liu and
F.C. Lee, (IEEE Power Electronic Specialists Conference 1986); US Patent
4,720,668
ZVS Cell
Over 25 US patents
Quasi-Resonant ConverterMulti-Resonant ConvertersZVS/ZCS PWM converters
世界第一篇提出零電壓切換技術專利。
ZVS MRC
Soft-Switching Technologies
Soft Switching
ZCS QRC
ZVS QRC
ZVS PWM
ZCS PWM
25 US patents
Zero-voltage switchingQuasi-Resonant
Converter
Transformational change of power conversion technologies With significant reduction of switching losses and increase in
conversion efficiency and power density
Wojciech Tabisz
Kwang-Hwa Liu
Gary Hua
MilanJovanovic
Soft-Switching Techniques
ZVS Resonant Converter
ZVS Quasi- ResonantConverters
ZVS PWM Converter
Server Data Center
14
DC/DC converterpowering the
fuel cell
Powering the Fuel Cell Vehicles
Fuel Cell vehicle
FordDaimler-Chrysler
Ballard
15
Aircraft Electric Power Systems
Internal Engine Electric Starter/
Generators
Electrically DrivenFlight Actuators
Avionics
270 V DCPower Distribution
System
Solid StatePower Controllers
Batteries
SmartActuators
Cabin Pressure andTemperature ControlThales
17
Deployment
Newport News Shipbuilding
2002
CVN 75
Aircraft Electric Service Station
Concept1995 Technology
1998
PowerElectronics
BuildingBlock
(PEBB)
Product2001
AircraftElectricService Station
CPES Faculty Members
19
Prof. Dushan BoroyevichPh.D. (1982-85)
Professor (1990- present)
Prof. Jason LaiFuture Energy
Electronics Center
Prof. Alex Huang(1994-2004)
Professor, NCSU(2004-present)
cpes-20
CPES Research Program
IPEM-Based PowerConversion Systems
(IPEM-PCS)D. Boroyevich, VTEn
gine
ered
Syst
ems
IntegratableMaterials
(IM)G. Q. Lu, VT
Advanced Power Semiconductors
(APS)T. P. Chow, RPI
High-DensityIntegration
(HDI)J. D. van Wyk, VT
Fund
amen
tal
Kno
wle
dge
Electro-Magneto-Thermo-Mechanical Integration Technology (EMTMIT)T. M. Jahns, UW T. A. Lipo, UW
Enab
ling
Tech
nolo
gy
Microprocessorand Converter
Integration
Standard-CellActive IPEMs
Standard-CellPassive IPEMs
Motor andConverterIntegration
Center DirectorF. C. Lee, VT
Control & SensorIntegration
(CSI)R. D. Lorenz, UW
Thermal-MechanicalIntegration
(TMI)E. P. Scott, VT
cpes-21
Product Specifications
More Automation Less Labor
Automatic Assembly Line
Active IPEM
Passive IPEM
Integrated Motor & Drive System
Modular 5-PhasePM Motor
Modular Phase-Drive Inverter IMMD
Prof T A LipoProf R D Lorenz Prof T M Jahns
Advanced Packaging without Wire-BondMuch Reduced Packaging Inductance
Renesas
Great Wall
MOSFET Substrate
Metalization (trace)
50 % reduction of
Device losses
g ered
Sy
ste
m
Current CPES Research AreasEmerging Applications
CarsShips
Airplanes
CarsShips
Airplanes
Technology Areas
High Density Integration
Modeling and Control
EMI and Power Quality
Power Electronics
Components
Power Conversion Topologies and Architectures
Application Areas
Renewable Energy Systems
VehicularPower Converter
Systems
Point-of-Load Conversion
Power Management for Computers &
Telecommunications
PortableDataCom
Dec. 10th, 2012 27
PRINCIPAL MEMBER PLUS ($50 K/year) (3 new)‐‐ 40 graduate fellowships ‐‐
3M Company ABB, Inc. (2 fellowships) ALSTOM TransportAltera – Enpirion Power Chicony Power Technology Co., Ltd. Crane Aerospace & ElectronicsCSR Zhuzhou Institute Co., Ltd. Delta Electronics (3 fellowships) Dowa Metaltech Co., Ltd.Eltek Emerson Network Power GE Global ResearchGE Power Conversion General Motors Company Groupe SAFRANHuawei Technologies Co., Ltd. (3 fellowships) International Rectifier Keysight TechnologiesLinear Technology Macroblock, Inc. Mitsubishi Electric CorporationMurata Manufacturing Co., Ltd. NEC TOKIN Corporation Nissan Motor Co., Ltd.NXP Semiconductors Panasonic Corporation Richtek Technology CorporationRolls‐Royce Siemens Corporate Research Sonos, Inc.Sumitomo Electric Industries, Ltd. Texas Instruments (2 fellowships) The Boeing Company Toyota Motor Engineering & Mfg. N. America United Technologies Research Center
PRINCIPAL MEMBER ($30 K/year) (2 new)AcBel Polytech, Inc. Analog Devices China National Electric Apparatus Research InstituteFairchild Semiconductor Corporation Halliburton Infineon TechnologiesMaxim Integrated Products MKS Instruments, Inc. ON SemiconductorPower Integrations, Inc. Toshiba Corporation ZTE Corporation
ASSOCIATE MEMBER ($15 K/year) (2 new)Calsonic Kansei Corporation Crown International Cummins, Inc.Delphi Electronics & Safety Dyson Technology Ltd. Eaton Corporation, Innovation CenterEfficient Power Conversion Ford Motor Company GHO Ventures, LLCInventronics (Hangzhou) Inc. Johnson Controls, Inc. Lite‐On Technology CorporationLS Industrial Systems Co., Ltd. Metamagnetics, Inc. Microsoft CorporationNetPower Technologies, Inc. OSRAM Sylvania, Inc. Rockwell AutomationSchaffner EMV AG Shindengen Electric Mfg. Co., Ltd. Silergy TechnologyTDK‐Lambda Corporation Toyota Motor Corporation United Silicon Carbide, Inc.Universal Lighting Technologies, Inc.
AFFILIATE MEMBER (in‐kind or <$10 K/year) (1 new)
ANSYS, Inc. CISSOID Electronic Concepts, Inc.Mentor Graphics Corporation Plexim GmbH Powersim, Inc.Rohde & Schwarz SIMPLIS Technologies, Inc. Synopsys, Inc.Tektronix, Inc. Transphorm, Inc. VPT, Inc.
CPES Industry Consortium 84 Members – April 2014 – April 2015 (8 new members)
CPES Intellectual Property Management
Industry Consortium
Principal Members
Principal Plus Members IPPF
Associate Members
Affiliate Members
CPES Intellectual Property Protection Fund (IPPF):
• IPPF members finance the IP protection cost• IPPF members are granted royalty-free, non-exclusive, non-
transferable IP rights
CPES IP portfolio: 86 USPatents
40 sponsored by IPPF since 2002
312010.12.16
Power Management Consortium (PMC)
32
Work Scope:• High performance VRM/POL converters• High efficiency power architectures for laptops,
desktops and servers• High frequency magnetics characterization and
design• Digital control • EMI• Solid state lighting• Power management for PV system• Power management for battery system• High-Efficiency and High-Power Density Power
Supplies with Wide-Band-Gap Power Devices
cpes-33
00 01 02 0398 99
-
Fuji
VRM Control IC
VRM
Fairchild (BGA)
Siliconix(“Polar PAC”) ST Microelectronics*
Fairchild (BGA)
Siliconix(“Polar PAC”) ST Microelectronics*
Ron2
L
Vo
R
Vc
Control
Vin C
Vc
ILDCR Current Sensing
4 Channel VRM
Intel Processor1.5V30A1GHz
Multi-Phase VRM
IM
M
i1
i2
L1
L2
IM
M
IMIM
MM
i1
i2
L1
L2
i1
i2
L1
L2
Coupled Inductor
A Billion -Dollar Industry!
Telecom POL
DCX
VRVR+
Co RLQ2Q1 io1
Q4Q3 io2
Q6Q5 io3
io
- nd
Co RLQ2Q1 io1
Q4Q3 io2
Q6Q5 io3
io
--
** -
Isolation
-
*U.S. Patent, No.7,254,047
LateralPower IC
C
Channel 1 Buck
Channel 2 Buck
CPES
IPEM
CPES Research & Impacts-on VRM and POL Converters
Industry Products
CPES Research060504 07 08
3-D POL
95.0%
96.0%
97.0%
98.0%
99.0%
100.0%
VIN
L1
S12
C R VO
+
-
S11
L2
SN2
SN1
S22
S21
Totem-Pole Bridgeless PFC
GaN Module
Smaller footprint, better thermal performance
0 200 400 600
98.7%98.8%98.5%
Output Power (W)
Effic
ienc
y (%
)
fs >1MHz
Mini-Consortium forHigh Density Integration (HDI)
Work Scope:• Material and component
characterization (interconnect, dielectrics, magnetics, SiC, GaN)
• Active module integration• Passive component integration• Converter integration• Wide power range (10 W – 100 kW)• High frequency (100 kHz – 10 MHz)
High temperature (≥ 200 ºC)
High-Power-Density, High-Temperature Modules
+
• High-temperature SiC modules• Sensorless control• Soft start• Fan load application
70 kHz 40 kHz
M
Ø = 21.5 cm
High-temp. converter:1.27 kW/lb
26.5 mm
Inverter current (40A/div)
Rectifier current (40 A/div)
DC link voltage (200 V/div)
Input voltage (500 V/div)
Dec. 10th, 2012 37
Inductor
GaN Driver Cin
3-D Integrated Point-of-Load
GaN, 20A, 5MHz, 1100W/in3
By Optical Microscope
Vin = 12V, Vout = 1.2~1.8V, Iout = 10~20A,
Silicon, fs = 1~2 MHz, 10-20A, 800W/in3
High-Temperature, High-Power-DensityPower Converter for Embedded Generators
High-power, high-temperature, high-power-density bidirectional three-phase ac-dc power converter unit
required to operate in the temperature range of 200-250 C.
High-temp. motherboard
SOI gate driver
50 kW unit
• SiC MOSFETs & SBDs
• All materials > 200 C
High Density Motor ControllerSponsor: The Boeing Company
Monday, November 23, 2015 40
Objective:Reduce weight through integration and high-temperature operation
• 250 ºC junction operation at 10 KW RL load
• SiC diodes and switches for high temperature and high frequency operation
• Integrated motor and drive
Ia_recIa_inv
Vg_inv1Vg_inv2
Mini-Consortium forRenewable Energy and Nanogrids (REN)
Work Scope• DC- and AC- nanogrid
operation and performance
• Modular multi-level converters for nanogrids
• Power electronics applications for enhanced T&D grid performance and resource integration
DC Nanogrid
• Wireless communication
• Load management• DG management• Data acquisition
Time
kWh
Web-based GUI
ECC:Energy ControlCenter
380V
48V
Nanogrid / Microgrid Hybrid AC/DC System
µECC
AC bus
480 V, 3-phase, 60Hz
SYNCHRONOUS GENERATOR
Renewable energy
ENERGYSTORAGE
High power DC bus
VDC bus
360 – 400
nECC
480 V / 240 V,
-
Washer/DryerStove/Range
48 V
TV, ComputerLED light
Z o
IMPEDANCE MEASUREMENT
Z i
Living Lab
200KVA
200KVA
10-200KVA
800V DC
High Density On-Board Battery Charger
Power Density 495W/in3
GaN Version @ 500kHzIGBT Version @ 20kHz
Power Density: 95W/in3 5X
CPES-VT Faculty
Dushan Boroyevich Co-Director
Fred C. Lee Center Director
Khai Ngo
Guo-Quan Lu (Affiliate Faculty)
Qiang LiRolando Burgos
CPES-VT Research Faculty
David Gilham
47
Igor Cvetkovic
Wenli Zhang
Mingkai Mu
Zhiyu Shen Xuning Zhang
CPES Visiting Scholarsfrom industry
Chaofeng CaiDelta Electronics, China
Kenichiro TanakaPanasonic Corporation, Japan
48
Seiya YukiDowa Metaltech, Japan
Kenta EmoriNissan Motor, Japan
David ReuschEfficient Power Conversion,
USA
Akihiro JonishiFuji Electric, Japan
CPES Visiting Professors
Zeng LiuXi’an Jiaotong University, China
49
Li WangNanjing University of Aeronautics and
Astronautics, China
CPES Visiting Scholarsfrom academia
50
Weijing DuZhejiang University, China
Yan-Cun (Daniel) LiTaiwan
Dennis KarwatzkiLeibniz Universität Hannover,
Germany
Furong XiaoBeijing Institute of Technology, China
Xiaolong YueXi’an Jiaotong University, China
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