Conference Program - 6 Seminars 9 Tutorials Over 300 presentations - PCIM Europe
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International Exhibition and Conference
for Power Electronics, Intelligent Motion,
Renewable Energy and Energy Management
Nuremberg, 5 – 7 June 2018
pcim-europe.com
Conference Program
6 Seminars
9 Tutorials
Over 300
presentations
Contents Board 04 Conference Program at a Glance 06 Seminars 08 Tutorials 12 Awards 18 Keynotes 20 Tuesday Oral Session 22 Tuesday Poster Dialogue Sessions 26 Wednesday Oral Sessions 30 Wednesday Poster Dialogue Sessions 34 Thursday Oral Session 38 Industry Forum 42 E-Mobility Forum 43 List of Exhibitors 44 Registration Information 46 General Information 47 Room Plan 48 PCIM Worldwide 49
Board 04 | 05
Board of Directors Advisory Board
Bodo Arlt, A Media, Germany Klaus Marahrens, SEW-EURODRIVE, Germany
Francisco Javier Azcondo, University of Cantabria, Spain Elison Matioli, POWERlab, EPFL, Switzerland
General Conference Eric Favre Johann Walter Kolar Mark M. Bakran, University of Bayreuth, Germany Mike Meinhardt, SMA Solar Technology, Germany
Director IMI Precision Engineering, ETH Zürich, Pavol Bauer, Delft University of Technology, Netherlands Thomas Neyer, ON Semiconductor, Germany
Leo Lorenz Switzerland Switzerland
ECPE, Germany Werner Berns, Texas Instruments, Germany Yasuyuki Nishida, Chiba Institute of Technology, Japan
Frede Blaabjerg, Aalborg University, Denmark Geraldo Nojima, Eaton Corporation, USA
Serge Bontemps, Microsemi PMP Europe, France Yasuhiro Okuma, Fuji Electric, Japan
Bruce Carsten, Bruce Carsten Associates, USA Masahito Otsuki, Fuji Electric, Japan
Daniel Chatroux, CEA-LITEN, France Nejila Parspour, University of Stuttgart, Germany
Silvio Colombi, General Electric, Switzerland Robert J. Pasterczyk, Schneider Electric, France
Hilmar Darrelmann, Darrelmann + Partner Ingenieure, Germany Prof. Gianmario Pellegrino, Politecnico di Torino, Italy
Philippe Ladoux Jose Mario Pacas Uwe Scheuermann Enrique J. Dede, University of Valencia, Spain Volker Pickert, University of Newcastle, United Kingdom
University of Toulouse, University of Siegen, Semikron Elektronik,
Drazen Dujic, Power Electronics Laboratory, EPFL, Switzerland Bernhard Piepenbreier, University of Erlangen, Germany
France Germany Germany
Hans-Günter Eckel, University of Rostock, Germany Munaf Rahimo, ABB Switzerland, Switzerland
Hans Ertl, Vienna University of Technology, Austria Kaushik (Raja) Rajashekara, University of Houston, USA
J. A. Ferreira, Delft University of Technology, Netherlands Chris Rexer, ON Semiconductor, USA
Consultatory Board Members Petar J. Grbovic, Huawei Technologies, Germany Katsuaki Saito, Hitachi Power Semiconductor Device, J
Steffan Hansen, Siemens Wind Power, Denmark Franck Sarrus, Mersen France, France
Klaus F. Hoffmann, Helmut-Schmidt-University, Germany Achim Scharf, Techmedia International, Germany
Edward Hopper, MACCON, Germany Hubert Schierling, Siemens, Germany
Ionel Dan Jitaru, Rompower, USA Manfred Schlenk, Infineon Technologies, Germany
Nando Kaminski, University of Bremen, Germany Manfred Schrödl, Vienna University of Technology, Austria
Friedrich-Wilhelm Fuchs Josef Lutz
Christian-Albrechts-University Chemnitz University of Technology, Peter Kanschat, Infineon Technologies, Germany Walter Schumacher, Braunschweig University of Technology, Germany
of Kiel, Germany Germany Ulrich Kirchenberger, STMicroelectronics, Germany Toshihisa Shimizu, Tokyo Metropolitan University, Japan
Philip C. Kjaer, Vestas Wind Systems, Denmark Elmar Stachorra, KoCoS Engineering, Germany
Christopher Kocon, Texas Instruments, USA Peter Steimer, ABB Switzerland, Switzerland
Jacques Laeuffer, Dtalents, France Bernhard Strzalkowski, Analog Devices, Germany
Stéphane Lefebvre, SATIE, France Wolfram Teppan, LEM Intellectual Property SA, Switzerland
Honorary Board
Romeo Letor, STMicroelectronics, Italy Giuseppe Tomasso, University of Cassino and South Lazio, Italy
Jean-Paul Beaudet, Schneider Electric, France Andreas Lindemann, Otto-von-Guericke-University Magdeburg, Germany Joël Turchi, On Semiconductor, France
Helmut Knöll, University for Applied Sciences Würzburg-Schweinfurt, Germany Stefan Linder, Alpiq, Switzerland Yoshiyuki Uchida, Japan Fine Ceramics, Japan
Jean-Marie Peter, France Marco Liserre, Christian-Albrechts-University of Kiel, Germany Peter Wallmeier, Delta Energy Systems, Germany
Gerhard Pfaff, University of Erlangen, Germany Martin März, F raunhofer IISB, Germany Dehong Xu, Zhejiang University, China
Alfred Rufer, EPFL, Switzerland Gourab Majumdar, Mitsubishi Electric, Japan Peter Zacharias, University of Kassel, Germany
Conference Program at a Glance 06 | 07
Sunday, 3 June 2018 Thursday, 7 June 2018
14:00 – 17:30 Hotel Arvena Park Görlitzer Str. 51, D-90473 Nuremberg 08:45 Brüssel 1
Seminars All seminar attendees Keynote »Modular Multilevel Submodules for Converters, from the State of the Art to Future Trends«
will receive all seminar
09:30 Coffee Break
documentations. The
Monday, 4 June 2018 same applies for the 10:00 Brüssel 1 München 1 München 2 Mailand
tutorial documentations. Reliability SiC Devices Power Modules & Smart Reverse Conducting IGBT’s High Frequency
09:00 – 17:00 Hotel Arvena Park Görlitzer Str. 51, D-90473 Nuremberg Driver Converters
Tutorials
12:00 Lunch Break
14:00 Brüssel 1 München 1 München 2 Mailand
Tuesday, 5 June 2018 GaN Devices System Reliability Power Converters Advanced Sensors
09:00 Brüssel 1
Conference Opening and Award Ceremony
As of March 2018 / subject to change without notice.
09:45 Brüssel 1
Keynote »Electric Vehicles Charging – An Ultrafast Overview«
10:30 Coffee Break
11:00 Brüssel 1 Brüssel 2 München 1 München 2 Mailand
Special Session: Special Session: SiC based Power Traction Inverters Intelligent Motion Benefit from
Advanced Solutions Materials for Module early-bird rates until
for Charging of Electric Packaging and Thermal 2 May 2018 and save up
Vehicles Management to 100 Euro!
12:40 Lunch Break pcim-europe.com/registration
14:00 Brüssel 1 Brüssel 2 München 1 München 2 Mailand
SiC Devices I Advanced Packaging Power Electronics Multi-Level Energy Storage
Technologies I Topologies Converters
15:15 Foyer Entrance NCC Mitte
Poster/Dialogue Session
17:30 Welcome Party
Wednesday, 6 June 2018
08:45 Brüssel 1
Keynote »New Passive Devices in Power Conversion - Nice to Have or a Must?«
09:30 Coffee Break
10:00 Brüssel 1 Brüssel 2 München 1 München 2 Mailand
High Power IGBT Converter Design and Control in Power Gate Driver Special Session:
Devices Integration Electronics Passive Components
12:00 Lunch Break and impulse-presentation »Fit for Stage«
14:00 Brüssel 1 Brüssel 2 München 1 München 2 Mailand
SiC Devices II High Power IGBT Advanced Packaging HVDC Transmission Software Tools and
System Applications Technologies II Systems Applications
15:15 Foyer Entrance NCC Mitte
Poster / Dialogue Session
Seminars Sunday, 3 June 2018, 14:00 – 17:30 08 | 09
Venue: Arvena Park Hotel Nuremberg, Görlitzer Str. 51, 90473 Nuremberg
Seminar 1 Seminar 2 Seminar 3 We will discuss how this creates devices with some unique properties and
Basics of Electromagnetic Compatibility (EMC) of Power Systems Diagnosing and Locating Sources of EMI in Switchmode Power Wide Band Gap (WBG) Power Devices, Characterisation, switching characteristics. The relevance of these properties to particular ap-
Jacques Laeuffer, Dtalents, France Converters Simulation and Testing plications will also be discussed. The audience will be guided past some of
Bruce Carsten, Bruce Carsten Associates, USA Edward Shelton, Patrick Palmer, University of Cambridge, Great Britain the potential pitfalls that users should be aware of. Test waveforms will be
Geoff Haynes, Inspirit Ventures, Great Britain presented and analysed. Simulation models and tools will be discussed and
About the instructor
About the instructor
Giorgia Longobardi, Kyushu Institute of Technology, Japan results demonstrated. [Edgar Ayerbe]
Jacques Laeuffer has a 35 years’ experience of R&D in Power
Bruce Carsten has 48 years of design and development experi-
Electronics, inside international companies, with powers from 10
ence in switchmode power converters at frequencies from 20 kHz Edgar Ayerbe, Wolfspeed, USA
W up to 10 MW, including HF resonant converters and high volt- Following on from this, we will look at the design of WBG test circuits. The
to 1 MHz. In 1982 he designed a 48 Vdc, 200 A, 50 kHz natural
age transformers, electric machines and inverters for hybrid cars.
convection cooled switchmode telecom rectifier which met the About the instructors difficulties of taking reliable and meaningful measurement data will be dis-
He is inventor of 27 granted patents and author of over 80 tech-
FCC Class A requirements for conducted and radiated emissions. Ed Shelton graduated from the University of Cambridge in 1997. cussed. Circuits that the authors have developed will be presented. The key
nical papers. As a consultant, his activities extend from one day
This seminar targets the practicing design or test engineer, and He has since worked for a number of high-tech businesses, more implementation details of these circuits will be described and test results
consulting to several months’ projects, including choices & de-
emphasizes an intuitive understanding of the phenomena involved. recently focusing on power systems as Senior Engineer at
sign of conversion topologies, power components & electric ma- shown to demonstrate their effectiveness. [Ed Shelton]
Amantys Ltd. Since 2015 he has been a Senior Research Associ-
chines sizing, EMC, digital control, industrial property, field
Content ate at the University of Cambridge and freelance consultant.
support. Affiliated Professor at Ensta-ParisTech, he teaches also
The instructor advocates that a power converter be designed for low EMI Finally, switching test results for various market-leading WBG and Si devices
at CentraleSupelec, France, and for inter and intra companies
trainings, on former topics and also on mechatronics, cars pow- from the beginning, but he realizes that it can take many years of experience will be examined and compared. Straightforward numerical analysis will be
Dr Patrick Palmer received his PhD from Imperial College London.
ertrains, or »Experience and Innovation«. to »get it right the first time«, or even come close. A central problem is that applied to quantify performance and arrive at appropriate test circuit optimis-
He has been an academic at the University of Cambridge for over
EMI is a very »low energy« phenomena, with only 8 to 80 nW of conducted 25 years, teaching power electronics. He was a co-founder of ations and solutions. A comparison to simulation results will be made and
Content
EMI allowed below 30 MHz at any given frequency (depending on the appli- Amantys Ltd. He is a Chartered Engineer and has published more the accuracy of available simulation models and tools examined. [Patrick
Fast semiconductors commutations are required for efficiency of high frequency than 150 articles and papers. Palmer]
cable standards), with similar constraints on radiated EMI above 30 MHz.
(HF) power converters and drives, and their wide bandwidth control electronics.
These limits generally apply regardless of converter power level, so a 10 kW
These sudden front edges generate perturbations in control circuits, and on Finally, we will wrap up the session with a summary and reminder of what
converter has 1.000 times tighter limits than a 10 W converter, with 0.8 to 8
public utility power networks. The seminar shows step by step how perturba- Geoff Haynes is a serial entrepreneur: He has a life-time of expe- has been covered and what has been learned, as well as a discussion of
pW per watt output allowed. Consequently, the sources of EMI are easily
tions propagate, as Differential Mode (DM) and Common Mode (CM), how to rience in the semiconductor industry. He was co-founder of GaN challenges and opportunities for the future in the WBG industry. This will be
overlooked as trivial by the less experienced engineer.
reduce noisy oscillations from the beginning, how to design and implement Systems Inc., and now works as a freelance consultant. He is also
followed by a Q & A session, where the audience will have the opportunity to
robust control electronics, how to calculate and optimize DM and CM filters part of an activity commericalising university research in the UK.
Failure to meet EMI standards can be found »the hard way«, by paying for an clarify presentation details, and will be invited to explore areas of further in-
for EMC standards compliance, how to avoid expensive shielding and improve terest with the speakers.
EMI lab to find out for you (and they will not be able to advise you how to fix
reliability. Number of practical designs are analytically calculated, showing
it). Alternatively, with a relatively modest investment in equipment, you can
orders of magnitudes for a wide range of powers and frequencies. The goal of this seminar is to demonstrate how to achieve practical, efficient
first get a reasonable estimate of the conducted and radiated emissions Dr Giorgia Longobardi is currently a JSPS Fellow at Kyutech,
level, and then, with very little more equipment, begin to track down the ori- Japan. From 2010 to 2017 she has been working on modelling, and reliable operation of WBG devices in high-frequency high-power switch-
Introduction: Issues & Standards characterization, and simulations of GaN power devices at Cam- ing circuits, by:
gins.
DM in Control bridge University, where she received the PhD in 2014. She is co-
Resistive, inductive & capacitive coupling reduction. founder of Cambridge GaN Devices Ltd.
1. Understanding the fundamental principles of operation, benefits and
Conducted EMI is measured with a LISN (Line Impedance Stabilization Net-
Reduction by ground planes. limitations of WBG devices.
work) on each power input, and with these can be measured yourself with a
DM in Power & Filters Design 2. Apprising effectiveness of simulation and modelling techniques,
spectrum analyzer, a tunable voltmeter, or even an oscilloscope with an FFT
Switching power supply sequence as EMI source. Edgar Ayerbe graduated from Rensselaer Polytechnic Institute in and other design tools available.
(fast Fourier transform) capability. However, this measurement is the vector
Calculation of Disturbances from transistors & diodes. 1995 and has since worked for a number of leading businesses in
3. Test circuits and measurement systems that achieve performance required
sum of common (longitudinal) and differential (transverse) mode currents, the semiconductor industry. He joined CREE in 2011 and is cur-
Measurement by L.I.S.N. and Spectrum Analyzer. for proper evaluation.
which are generated by completely different phenomena. A transformer cir- rently involved in marketing and simulation modelling of their SiC
DM Filter calculation, Design of L, C & R components. MOSFETs. 4. Examining test waveforms and analysing circuit behaviour.
cuit will be presented which can simultaneously separate the LISN outputs
Some MHz perturbations evaluations. Reduction means. Comparison between power devices.
into mutually isolated common and normal mode currents, allowing their
CM in Control 5. Designing circuits that achieve an optimum price / performance point.
sources to be tracked down individually. Typical sources of both will be de-
Between PCBs & between Cabinets. Electric & Optics.
scribed, and methods to minimize each presented.
CM parasitic coupling calculation and reduction. Content
Wiring & Layout evolution form »Star« to »Net«. The presentation will start with a high-level overview of GaN and SiC transis-
The instructor has found that radiated noise is almost invariably generated
CM in Power & Filters Design tors; device structures and characteristics; the advantages they offer over
Who should attend?
by common mode currents in the input (and/or output) power lines, using The presentation is aimed at all levels of listener, starting with material to engage the novice,
Calculation of Disturbances from CM capacitances. conventional Silicon; the applications and markets that can benefit from
these lines as a radiating antenna. »Exceptions« can occur with: common through to detailed technical material for the accomplished engineer. The aim is to get listen-
Heatsinks, transformers, screens, electric machines stators. these power devices; and industry trends and emerging technologies. [Geoff ers of all abilities to the point where they can understand WBG devices and successfully test
mode currents on other lines, such as control or communication lines; normal
Measurement. CM Filter calculation. Haynes] their own circuits.
mode currents on widely separated input or output power lines; or (rarely) di-
Leakage current constraint. CM coupled inductance design.
rect radiation form an unenclosed power converter.
EMC Commutation Control of Power Semiconductors We will then delve into the technical details of GaN power transistors, focus-
Tuning as a trade-off between switching losses & EMC. ing on the most promising normally-off technologies. We will cover the main
The sources of these currents are largely the same as for conducted EMI and,
Control of di/dt and dv/dt front edges by gate drive. engineering challenges that are faced by engineers using GaN devices today,
to some extent, can be found from the separated LISN outputs, but HF cur-
Gate drive circuit designs for MOS and IGBTs. including the effects of circuit parasitics and device packaging. Reliability is-
rent transformers are better suited to this task due to the high frequencies
Radiations Reduction sues occurring when GaN transistors are subject to high voltage stress will
which may be involved. Suitable constructions of current transformers for
Examples of emissions of Electric & Magnetic Fields. be then discussed and the available device level solutions to such issues will
common and normal mode currents will be described.
Fields measurements and reduction. be presented. We will conclude this section by looking at simulation model-
Neighbor Field & Far Field identification. Examples. ling and tools. [Giorgia Longobardi]
Wiring, grounding, shielding, packaging. Who should attend?
This seminar is directed towards the engineer, technologist or technician who needs to locate
Next we will look at the details of SiC power MOSFETs, the various compet-
sources of EMI in a switching power converter so that, once found, they can be remedied.
Who should attend? ing structures used for these devices, manufacturing processes, and compare
This course is targeted towards engineers, students or project managers, who design, specify, the advantages of each approach from different manufacturers.
simulate, tune, or integrate high frequency power supplies, converters, EMC filters, electric ma-
chines, and intelligent motion, for high efficiency conversion, low global cost and high reliability.
Seminars Sunday, 3 June 2018, 14:00 – 17:30 10 | 11
Venue: Arvena Park Hotel Nuremberg, Görlitzer Str. 51, 90473 Nuremberg
Seminar 4 Seminar 5 Seminar 6 Finally, cooling methods and mechanical design considerations for robust-
Modern Magnetic Technologies for High Efficiency and High Functional Safety - an Introduction for Inverter and Servo Drive Design of Magnetic Components for High Power Converters ness and acoustic noise reduction are discussed.
Power Density Developers Tomás Pagá, Enerdrive, Switzerland
Ionel Dan Jitaru, Rompower, USA Jens Onno Krah, Cologne University of Applied Sciences, Germany Fields of application:
About the instructor
About the instructor About the instructor
Tomás Pagá received his B.S and M.S. degrees from Simón Grid Connected Converters
Ionel Dan Jitaru is the founder of Rompower Inc., later Ascom Bolívar University in Caracas, Venezuela in 1994 and 1999
Prof. Jens Onno Krah studied electrical engineering at the Ber- - Solar Inverters
Rompower Inc. and Delta Energy Systems (Arizona) Inc., an inter- respectively. He was university professor and consultant in the
gische Universität Wuppertal and received his doctorate in 1993 - Wind Generators
nationally recognized engineering firm in the field of power con- energy and oil industry. From 2001, has been Power Electronics
from Prof. Holtz in the field of electric machine and drive re-
version. Presently he is the president of Rompower Energy Converter Designer for industry, railway and renewable energy - UPS and energy storage systems
search. Until February 2004 he was Technical Director responsi-
Systems Inc., an advance development company in Power Con- ble for the development of Kollmorgen Servo Drives. Since 2004
applications. Currently he works as High-Power Electronics Electrical Drives
version Field. He has published 54 papers wherein several of consultant at ENERDRIVE GmbH in Zurich, for manufacturers of
Prof. Krah has been teaching control technology, motion control, - Traction Drives
them have received the best paper award, and held 46 profes- multi-megawatt, wind energy and industrial drives power convert-
FPGA-based digital signal processing and functional safety at the - Lifts and cranes
sional seminars at different International Conferences in the ers. His research interests include high power electronics convert-
TH Köln. The research focus is on the development of robust,
power conversion Mr. Jitaru has pioneered several trends in ers, magnetic components modeling and design, power Isolated Grid Supplies
safety-related and energy-efficient inverter control with program-
power conversion technologies such as »PWM Soft switching«, mable hardware.
electronics cooling and grid integration. - Railway Auxiliary Converters
»Full integrated multilayer PCB Magnetic«, »Synchronized rectifi- - UPS systems
cation« and recently »True Soft Switching technologies« wherein Content
Content
the primary switchers turn on at zero voltage and the secondary
Functional safety is increasingly requested for drives. Safe Torque Off (STO) Filter chokes and transformers for high power converters, ranging from hun-
switchers turn off at zero current. Some of these technologies Program:
is now standard on many frequency inverters and servo drives. Safe motion dreds to thousands of kW, are commonly one of the most costly and difficult
have been covered by 62 intellectual properties wherein 29 are Field of application
granted patents. and safety related field buses are an increasing demand. The technical basics components to design. Desired electrical performance and tight restrictions
Magnetic design basic concepts
of functional safety are explained in the seminar: in weight, volume and cooling represent a challenging compromise for the
Design case
Content designer. In this seminar we address topics from how to specify the compo-
Analytical calculation
This seminar will present a comprehensive overview of the modern magnetic nents for outsourcing to how to get deep inside the detailed design. Refer-
E xplanation of Safety Keywords Finite Element modeling
technologies presently used in power conversion and new trends in magnetics ences, test results and failure examples from real cases are presented. The
Mean Time To Fail (MTTF), Failure In Time (FIT), Safe Failure Fraction Interaction with the PE converter
aimed to address the new demands in power conversion. In the quest for seminar will be based on a design case, where the main design problems for
(SFF), Diagnostic Coverage (DC), Fail Safe -Fail Operational, Fault Exclusion High frequency losses estimation
higher power densities and higher efficiency magnetic technologies were each step will be addressed. Analytic, Finite Element Method and Circuit
Category, Performance Level (PL), Safety Integrity Level (SIL) Additional losses
forced to adapt and then new magnetic structures were developed. Simulation tools will be used during the design. Losses calculation and mea-
Safe Digital Input Simulation and measurement methods for validation
Testing, calculation of FIT, DC and SFF suring are treated in detail. Losses produced by the switching high frequency
Cooling and mechanical design topics
The seminar will start by presenting several key characteristics of magnetic components are often miscalculated resulting in poor thermal performance.
Safe Digital Output
transformers such as leakage inductance, stray inductance, inter-winding and High frequency losses curves of laminated magnetic steel are commonly not
Testing, calculation of FIT, DC and SFF
intra-winding capacitances and their impact in power conversion performance. available from the suppliers, so the designer faces with the need of high fre- Who should attend?
Safe Torque OFF (STO)
Methods of measuring and controlling these parasitic elements are also pre- quency losses measuring methods. Losses measurement error sources, like Engineers and project managers involved on the design, specification and integration of
Basic techniques to implement STO
sented. Furthermore, it will present the most suitable magnetic technology for low power factor and angle errors, are explained in detail and methods to transformers and inductors for high power electronics converters. High power electronics
Safe Brake Control (SBC) converter designers.
different topologies designed to enhance the efficiency and power density. overcome those issues will be discussed. Additional sources of losses due to
Safety Related Fieldbus Technology Magnetic components, inductors and transformers, designers and manufacturers.
Black Channel, Cyclic Redundancy Check winding resistance, skin/proximity effect and fringe flux on the air-gaps will
A chapter is dedicated to quasi integrated and integrated magnetics and meth- also be addressed. Finite Element modelling of high frequency winding
PROFIsafe, FSoE
ods of calculating and simulating such structures. Magnetic structures losses will be used for the analysis.
Safety Related Motor Feedback
wherein two independent power trains are placed on the same standard mag-
2 Feedback devices
netic core without interference will also be presented. Magnetic technologies
Analog interface: Sin-Cos Encoder, Resolver
for specific applications such very high current will be presented together with
Digital Interface: Single-Turn, Multi-Turn
experimental results.
EnDAT 2.2, SCS open link, Hiperface DSL
Safe Motion
A chapter is dedicated to models for simulating the magnetics in a circuit
Safe Limited Speed (SLS), Safe Limited Position (SLP), etc.
using Spice. Another chapter is presenting magnetics for wireless power with
Safe Logic, Environment Requirements
very high efficency exeeding 97%. The seminar will also show some present
Power Supply
and future trends in magnetics for higher frequency operation.
Clock, Voltage and Temperature Monitoring
Safe Logic Implementation
A chapter will be dedicated to the new trends in magnetic technology for very
Redundancy, Diversity
high efficiency applications. These new magnetic technologies are compatible
Dual CPU, Lockstep CPU, FPGA
with the latest technologies in power conversion aimed at very high efficiency
Watchdog, Build In Self-Test (BIST), Self-Test Library (STL), Error Correc-
and very high power density. The seminar will address different applications
tion Code (ECC)
ranging from very high density and very high efficiency AC-DC power adapters
FIT Estimation
to the multiple KW DC-DC converters and Power Factor Correction modules.
The presentation will be highlighted with design guidance, design example
and experimental results, such as 99.6% efficiency transformer for 99% effi- Who should attend?
ciency DC-DC Converters. This seminar is intended for designers and engineers involved in frequency inverter and servo
drive design. It assumes a working knowledge of electrical engineering basics and a familiar-
ity with inverter design principles. Knowledge of functional safety is not required.
Who should attend?
This course is designed for magnetic engineers, power conversion engineers and technical
managers who are involved in state-of-art power conversion. The participants will get familiar
with the latest advancement in magnetics in power conversion aimed to increase the perfor-
mance and reduce the total cost.
Tutorials Monday, 4 June 2018, 09:00 – 17:00 12 | 13
Venue: Arvena Park Hotel Nuremberg, Görlitzer Str. 51, 90473 Nuremberg
Tutorial 1 The tutorial will present also the impact of intelligent power processing in T he tutorial delivers important competencies allowing the professional de- Introduction: Examples of issues.
Modern Soft Switching Technologies optimizing the efficiency and even in converting a traditional hard switching sign, rating and implementation of multilevel converter based systems. The
Ionel Dan Jitaru, Rompower, USA topology into a soft switching topology. main focus is put on 3- and 5-Level topologies but higher level concepts will Lines & Wiring Design
also be explained. - Propagation process on lines: energies, impedance & speed
About the instructor The presentation will be highlighted with design examples and experimental In order to give a system-oriented design overview the following topics - Clean power propagation, or filtering, or oscillatory reflections
Ionel Dan Jitaru is the founder of Rompower Inc., later Ascom results such as 99%+ efficiency PFC with power densities above 1000W/in3, will be covered: - Design bifilar, coaxial, and strip lines accordingly
Rompower Inc. and Delta Energy Systems (Arizona) Inc., an inter-
and 99% efficiency isolated DC-DC Converters. O
verview on multilevel topologies - Examples: busbars, modules, spot welder, radiology, Ethernet
nationally recognized engineering firm in the field of power con-
version. Presently he is the president of Rompower Energy Introduction to their basic functionality Capacitors & Windings Design
Systems Inc., an advance development company in Power Con- 3- and 5-Level converters - Capacitors sizing, & shape for clean HF propagation
Who should attend?
version Field. He has published 54 papers wherein several of M
odular multilevel converters (MMC) - Transformers, inductors & electric machines stators sizing
them have received the best paper award, and held 46 profes- This course is designed for power conversion engineers, magnetic engineers and technical
managers who are involved in state-of-art power conversion. The participants will get familiar Design aspects and features of multilevel converters: - HF propagation process in windings, as DM & CM
sional seminars at different International Conferences in the
power conversion Mr. Jitaru has pioneered several trends in with the latest advancement in topologies, control and magnetics in power conversion aimed - Component design - Simulation: Spice; Finite Difference Time Domain (FDTD)
power conversion technologies such as »PWM Soft switching«, to increase the performance and reduce the total cost. - Semiconductor losses and modulation - Propagation delays calculation. Shapes for clean design
»Full integrated multilayer PCB Magnetic«, »Synchronized rectifi- - Voltage balancing - HF equivalent schematics. Proximity effect and optimization
cation« and recently »True Soft Switching technologies« wherein
- Fault management, redundancy, filter design HF Converters Design
the primary switchers turn on at zero voltage and the secondary Tutorial 2
switchers turn off at zero current. Some of these technologies Application examples - Topology choice from flyback, forward, bridge, to ZVS & ZCS
Design of Multilevel Converter Systems - Examples: photovoltaic, PFC, computer, induction heating, HiFi
have been covered by 62 intellectual properties wherein 29 are
granted patents. Marc Hiller, Karlsruhe Institute of Technology, Germany - SMD commutation loop
Tutorials Monday, 4 June 2018, 09:00 – 17:00 14 | 15
Venue: Arvena Park Hotel Nuremberg, Görlitzer Str. 51, 90473 Nuremberg
Tutorial 4 6. Current Prediction Topology-dependent Power Losses A good PCB layout for low EMI is a technically demanding design task, ide-
High Performance Control of Power Converters Modeling the Plant - DC / DC-converter ally performed by one versed in the physics and visualization of electric and
Christian Peter Dick, Jens Onno Krah, Cologne University of Applied Sciences, Smith Predictor - DC / AC-converter magnetic fields. Unfortunately, PCB layout is increasingly performed by
Germany Current Observer - Load Cycles someone trained only in the use of layout software, where arbitrary compo-
7. Parameter Tuning - Calculation of heat sink nent placement and the use of auto-routing of conductor traces can be
About the instructors Theoretical background Device Induced Electromagnetic Disturbance deadly to EMI performance.
Christian P. Dick studied Electrical Engineering at RWTH Aachen Parameter estimation - Parasitics
University, Germany, where he also received his PhD degree. Be-
8. Conclusion and Future Trends - Oscillations in Power Modules The tutorial will begin with physical demonstrations of energy coupling by
ginning of 2011 he joined SMA Solar Technology AG as director for
advance development of solar converters up to 20kW. He is now Special Topics of Application changing magnetic and electric fields to aid in the comprehension of EMI
professor for power electronics and electrical drives at Cologne Consideration of special problems and questions of participants, for example: generation. A full set of tutorial notes will be provided, but some subjects
Who should attend?
University of Applied Sciences. His main research interests are - Parallel/series connection of power devices maybe gone over lightly or even skipped due to the limited time.
resonant converters with focus on magnetics, and the large-scale This tutorial will be especially valuable for engineers and PhD’s who address the following
control aspects: - Special effects in ZVS/ZCS topologies
utilization of renewable energy.
Digital Motion Control - Special problems related to new device technologies Questions and comments from attendees are strongly encouraged.
Prof. Jens Onno Krah studied electrical engineering at the Ber- Mains Control, including PFC - Short-circuit ruggedness of IGBTs and SiC MOSFETs
gische Universität Wuppertal and received his doctorate in 1993
High-Bandwidth Sensor Circuitry including Robust Signal Transmission Topics include:
from Prof. Holtz in the field of electric machine and drive research.
Modulation Techniques Definition of EMI, and how it is measured
Until February 2004 he was Technical Director responsible for the Who should attend?
development of Kollmorgen Servo Drives. Since 2004 Prof. Krah Controller Implementation using FPGA How EMI is generated by changing voltages and currents
Engineers designing converters equipped with fast power semiconductors like Si/SiC MOS-
has been teaching control technology, motion control, FPGA-based Controls-Related Novel Converter Issues like Wide-Bandgap Devices FETs, IGBTs and diodes having basic knowledge in power devices and power converters. Magnetic field coupling from a current loop to a pickup loop
digital signal processing and functional safety at the TH Köln. The Electric field coupling from one surface to another
research focus is on the development of robust, safety-related and
Illustration of energy coupling through changing electric and magnetic fields
energy-efficient inverter control with programmable hardware.
Tutorial 5 Tutorial 6 Why EMI is so hard to prevent; a »parts per trillion« phenomena
Content Advanced System Design with Ultra-Fast Si/SiC/GaN Power Switchmode Printed Circuit Board Design and Layout for Low EMI »Switching Cells« as the principal source of EMI
Utilizing power electronic based converter technology is a key approach to Semiconductor Devices Bruce Carsten, Bruce Carsten Associates, USA Conductive shielding of Magnetic Fields
build energy efficient solutions. Due to the innovation cycles of the semicon- Tobias Reimann, ISLE Steuerungstechnik und Leistungselektronik, Germany
Faraday shielding of Electric Fields
ductor suppliers the size and the cost of the more and more complex inverter Thomas Basler, Infineon Technologies, Germany About the instructor The many benefits of a Ground Plane (expanded from last year)
systems is not increasing. However, especially the new fast switching wide Bruce Carsten has 48 years of design and development experience Layout of switching cells as a »macro« or »component«, which can be
in switchmode power converters at frequencies from 20 kHz to 1
bandgap devices (SiC & GaN) are challenging the control hardware. The ad- About the instructors moved but not pulled apart
MHz. In 1982 he designed a 48 Vdc, 200 A, 50 kHz natural convec-
vanced control architectures are covered by discussing algorithms and possi- Tobias Reimann received 1994 his PhD from the Technische Uni- tion cooled switchmode telecom rectifier which met the FCC Class Locating sources of EMI with H-field and E-field probes
ble implementations using μC, DSP and FPGA technology. Robust controller versität Ilmenau in the field of power semiconductor applications A requirements for conducted and radiated emissions. His tutorial
for hard and soft switching converters. In 1994 he was one of the targets the practicing design engineer, and emphasize an intuitive
designs with well-defined set up procedures or reliable self-tuning algo- founders of the company ISLE GmbH which is engaged in system understanding of phenomena involved. Who should attend?
rithms can help to use these innovations utilizing a reasonable set-up time. development for power electronics and electrical drives. He is re- This tutorial is directed largely towards the switchmode design engineer who is either directly
sponsible for the operational business of this company. In addition, Content involved in PCB layout, or needs to direct and assist layout technicians. However, the tutorial
1. Converter Design Basics since July 2009 he is Professor for Industrial Electronics at Tech- will also be of some value to layout software users without an engineering background.
Although related to previous comprehensive EMI seminar versions by the in-
nische Universität Ilmenau. Prof. Reimann is a member of scien-
IGBT, MOSFET, SiC tific board of »Thuringian Center of Excellence in Mobility structor, the focus of this new tutorial is on the physical design and layout of
State-machine based dead time generation (ThIMo)« at Technische Universität Ilmenau in the field of automo- a PCB to minimize Electromagnetic Interference (EMI). A great deal of
2-Level / 3-Level Inverter - including Energy Efficiency Classes tive electronics. switchmode EMI can be produced or avoided in the layout and construction
Gate driver basics of a Printed Circuit Board (PCB), and EMI from a poor layout is usually very
Thomas Basler received his Diploma in Electrical Engineering from
2. Inverter Modulation Techniques Chemnitz University of Technology in 2009. His Diploma thesis difficult to fix without a redesign. This tutorial contains extracts from the
Single Phase Modulator was on the robustness of power diodes. Between 2009 and 2013 original tutorials, but focuses on the printed circuit board, including the mag-
Pulse Width vs. Pulse Frequency Modulation he was a member of the scientific staff at the Chair of Power Elec- netic and electric shielding benefits of ground planes, and the use of
2-Level / 3-Level SVM tronics and Electromagnetic Compatibility at Chemnitz University
»switching cell macros« to assist in a low EMI layout. New material for this
of Technology. At the beginning of 2014 he received his PhD. His
3. Analog to Digital Conversion thesis is about short-circuit and surge-current ruggedness of tutorial illustrates the significant magnetic field reduction above and behind
Sigma-Delta DAC versus R-2R DAC and PWM IGBTs and was supervised by Prof. Dr. Josef Lutz. 2014 he joined a PCB with a ground plane.
Sigma-Delta Modulation Infineon Technologies AG, Neubiberg, Germany, where he works
Sinc³ decimation filtering on the development of SiC MOSFETs, diodes and Si IGBTs.
Efficient FIR implementations, Demonstration, Examples Content
4. Current Sensing Fast Power Devices / Modules / Reliability
Transducer versus shunt -N ew developments in fast power devices (SiC/Si MOSFETs, IGBTs,
Synchronous sampling GaN devices, freewheeling diodes)
Aliasing, EMI suppression - Device design, properties and suitable applications
2 vs. 3 current probes in 3~ Loads -R eliability topics of (new) devices, e.g. gate oxide, dynamic Ron,
5. Current Control cosmic ray ruggedness
Hysteresis Control - Power module layouts and optimal design for low inductivity
Sampling Control - Thermal mismatch, thermal stress, power cycling capability
Synchronous Control (FOC): Clarke, Park, decoupling Drive and Protection
Hybrid control - Principles, technical realizations
(single-phase) PLL - Special driver requirements for fast power devices (Si, SiC, GaN)
Dead-Time Compensation - Failure modes, failure detection
Special Controls: Flyback, resonant LLC
Tutorials Monday, 4 June 2018, 09:00 – 17:00 16 | 17
Venue: Arvena Park Hotel Nuremberg, Görlitzer Str. 51, 90473 Nuremberg
Tutorial 7 Tutorial 8 Introduction to reliability basics Content
Reliability of Si and SiC Power Devices and Packages Reliability Engineering in Power Electronics Systems - Reliability basics, Weibull distribution, Failure rates, Bx lifetime, Reli- Developments in power semiconductor devices naturally lead to higher fre-
Josef Lutz, Chemnitz University of Technology, Germany Frede Blaabjerg, Francesco Iannuzzo, Huai Wang, Aalborg University, Denmark ability block diagrams quency operation in the host circuit and this in turn means smaller magnetic
- Concepts of FMEA, HALT, CALT, Six sigma design, etc. components. The advent of GaN and SiC devices has accelerated the movement
About the instructor About the instructor - Mission profiles and case studies to resonant circuits for power conversion. High frequency operation of mag-
Josef Lutz joined Semikron Electronics, Nuremberg, Germany in Frede Blaabjerg is currently a Professor with the Department of Reliability prediction of power electronic converters – case studies netic components means that additional losses occur: skin effect, proximity ef-
1983. First he worked in the development of GTO Thyristors, then Energy Technology and the Director of Center of Reliable Power fect in windings and fringing effect around air-gaps. This tutorial will address
- Six-step system-level reliability prediction approach for power elec-
in the field of fast recovery diodes. He introduced the Controlled Electronics (CORPE), Aalborg University, Denmark. He has inten-
tronic converters all of these effects offering both analysis and practical solutions to mitigate any
Axial Lifetime (CAL) diode. Since August 2001 he is Professor for sive research work on power electronics and its applications in
Power Electronics and Electromagnetic Compatibility at the Chem- motor drives, wind turbines, PV systems, harmonics, and the reli- -R eliability prediction for model based power electronic converter design losses that arise.Losses for both sinusoidal and non-sinusoidal operation will be
nitz University of Technology, Germany. His main fields of research ability of power electronic systems. He has held more than 300 - CORPE Design for Reliability and Robust (DfR2) tool platform for case covered.
are ruggedness and reliability of power devices. He is involved in lectures national and international, most of them in the last de-
studies
several national and international research projects regarding reli- cade are invited and as keynotes at conferences, covering various
Condition monitoring and active thermal control for improved reliability This tutorial is based on a textbook authored by the speakers: TRANSFORMERS
ability of IGBTs and wide bandgap devices. He is one of the au- topics on power electronics, including the reliability. He has con-
thors of the book »Semiconductor Power Devices – Physics, tributed more than 350 journal papers. Among other awards, Dr. - Basics ideas and control freedoms AND INDUCTORS FOR POWER ELECTRONICS: Theory, Design and Applications,
Characteristics, Reliability«, published by Springer 2011. Blaabjerg received the IEEE William E. Newell Power Electronics - Thermal measurement and monitoring Wiley, 2013.
Award in 2014.
- Control under normal operations of converter
Content
- Control under severe and abnormal conditions Outline of the Tutorial
Focus is on thermal problems and other lifetime-limiting mechanisms in Francesco Iannuzzo is currently a Professor of Reliable Power Elec-
tronics at the Aalborg University, Denmark, and CORPE (Center of Abnormal condition testing basics for power electronic components Introduction
power devices, aspects going from Si to SiC are considered.
Reliable Power Electronics). His research interests are in the field - Impact of severe and abnormal events on the reliability performances The introduction covers the fundamental concepts of magnetic components
of reliability of power devices, including against cosmic rays, that serve to underpin the later sections.
- Basic of instabilities and related phenomena
1. Basic architecture of Si and SiC power modules and discrete packages power device failure modelling and testing of power modules
- Instabilities during short circuit of IGBTs Inductor Design
2. Materials, substrates and interconnection technologies under extreme conditions. He has contributed more than 160
journal and conference papers in the field. Prof. Iannuzzo was the - Non-destructive testing technique and setups In Section I, the design rules for inductor design are established and examples
3. Heat transport, thermal resistance, thermal impedance, cooling methods
Technical Chair in two editions of ESREF, the European Sympo- Future Research Opportunities in Reliability of Power Electronics of different types of inductors are given. The single coil inductor, be it in air or
4. Temperature determination sium on Reliability and Failure analysis, and is the ESREF 2018 with a ferromagnetic core or substrate, is the energy storage device for mag-
Virtual junction temperature: Definition, measurement general chair.
Interdisciplinary efforts and opportunities ahead netic fields. A special example is the inductor in a flyback converter, since it
Temperature sensitive electrical parameters in Si, SiC, GaN
Huai Wang is currently an Associate Professor with the Center of has more than one coil. Examples include: forward, flyback, pushpull and LLC
5. Fatigue processes, fatigue detection, related tests
Reliable Power Electronics (CORPE), Aalborg University, Denmark. resonant converters; filter chokes. Examples with both distributed and discrete
6. Power cycling as main method to determine package related lifetime His research addresses the fundamental challenges in modelling Who should attend? gaps will be presented.
expectation and validation of power electronic component failure mechanisms, Engineers or researchers in power electronics design and testing with interest in improving
Experimental setup, test strategies and application issues in system-level predictability, circuit archi- reliability performance. Beginners as well as experienced engineers are both welcome. Focus
tecture, and robustness design, and condition monitoring. Prof. is more on the reliability engineering including testing and modelling aspects from compo- Transformer Design
Test according to the German automotive standard LV 324
Wang received the IEEE PELS Richard. nents to system level. Section II deals with the general design methodology for transformers. Particu-
New methods for state-of-health analysis
lar emphasis is placed on modern circuits where non-sinusoidal waveforms are
7. Empirical models for lifetime prediction Content
encountered and power factor calculations for non-sinusoidal waveforms are
LESIT model, CIPS 2008 model In many mission-critical applications of energy conversions such as renew-
Tutorial 9 covered. Optimised design for core and winding losses will be fully covered tak-
Application of available models, limits, work on new models ables, industry, electric vehicles, and aircrafts, etc., power electronics should
Magnetic Components - The Key to Future Power Electronic ing into account the additional losses at high frequency. Examples include: for-
Special aspects with SiC devices be extremely reliable and robust to avoid high cost of failures. In order to meet
Circuits ward, pushpull and resonant converters.
Special aspects with discrete packages this challenging requirement, there is an ongoing paradigm shift in this field
First results with GaN devices from the statistics-based assessment to the physic-of-failures based analysis. William Gerard Hurley, Werner Hugo Wölfle, National University of Ireland, Ireland
High Frequency Design
8. Improved technologies and future trends for increased lifetime expectation In this shift, the stress and strength models of the power electronics systems
About the instructors There is an inverse relationship between the size of a transformer and its fre-
Diffusion sintering, Diffusion soldering need to be accurately built, and both factors are closely related to the operating
William Gerard Hurley received the B.E. degree in Electrical Engi- quency of operation. However, losses increase at high frequency. There is skin
Improved bond wires conditions or mission profiles of the whole systems. These mission profiles will neering from the National University of Ireland, Cork in 1974, the effect loss and proximity effect loss in the windings due to the non-uniform dis-
Improved substrates involve multi-disciplinary knowledge and new engineering approaches for the M.S. degree in Electrical Engineering from the Massachusetts In-
tribution of the current in the conductors. The core loss increases due to the
9. Gate oxide reliability in Si and SiC design of reliability performances. stitute of Technology, Cambridge MA, in 1976 and the PhD degree
at the National University of Ireland, Galway in 1988. He worked eddy currents circulating in the magnetic core and due to hysteresis. General
10. Some aspects on cosmic ray reliability
for Honeywell Controls and Ontario Hydro in Canada from 1977 to rules are established for optimising the design of windings under various exci-
Cosmic ray sources In this tutorial, the paradigm shifts in reliability research on power electronics 1983. He has been at the National University of Ireland, Galway tation and operating conditions. A new robust and simplified approach to high
Failure pattern as well as some reliability engineering concepts are first introduced. Afterwards since 1991. He is a Life Fellow of the IEEE. He received the IEEE
frequency losses will be presented to optimise the winding design. Losses that
Failure mechanism some basics about reliability engineering are presented, followed by a specific Power Electronics Society Middlebrook Technical Achievement
Award in 2013 and was appointed Distinguished Lecturer of the result from fringing effect of the magnetic field around an air-gap will be cov-
Comparison SiC devices and Si devices section on abnormal condition testing, and another one on condition monitoring
IEEE for 2014-2017. He has co-authored a text book on magnetic ered. The use of litz wire for mitigating skin and proximity effects will be
and active thermal control. Based on these results, a series of new modelling component design for power electronics. treated. The application of interleaving to reduce proximity effects will be ex-
and control concepts are given to evaluate/improve the reliability performances
Who should attend? plained.
of power electronics systems considering mission profiles with several exam- Werner Hugo Wölfle graduated from the University of Stuttgart in
Engineers in design of converters with IGBTs and SiC devices with interest in reliability, be- Germany in 1981 as a Diplom-Ingenieur in Power Electronics. He
ginners as well as experienced engineers are welcome. ples on renewable energy and motor drives. Finally, the tutorial will also pres-
completed a PhD degree at the National University of Ireland, Gal-
ent the views of the instructors on the future research opportunities in way in 2003. He worked for various companies in the field of Who should attend?
reliability of power electronics. Power Electronics as a Development Engineer for power convert- This tutorial is of interest to and practising engineers working with power supplies and en-
ergy conversion systems; students of electrical engineering and electrical energy systems;
Table of Contents ers in space craft, military and high grade industrial applications.
Since 1989 he is Managing Director and head of the R&D Depart- graduate students dealing with specialised inductor and transformer design for high fre-
ment of Traco Power Solutions in Ireland. Traco Power Solutions quency operation.
Towards reliable power electronics develops high reliability power converters and power supplies for
- Motivations, field experiences and challenges industrial applications. Dr. Wölfle has co-authored a text book on
- Ongoing paradigm shift in reliability research magnetics for power electronics.
- Design for reliability concept
Awards 18 | 19
Best Paper Award Young Engineer Award
The Best Paper Award honours The Young Engineer Award goes to the
the best paper of the conference. three best lectures from engineers not
older than 35 years.
The finalists are: The finalists are:
25 kW High Power Resonant Inverter Operating at 2.5 MHz with SiC SMD 25 kW High Power Resonant Inverter Operating at 2.5 MHz with SiC SMD High Efficiency Three-Level Simplified Neutral Point Clamped (3L-SNPC)
Phase-Leg Modules Phase-Leg Modules Inverter with GaN-Si Hybrid Structure
Fabian Denk, Christoph Simon, Santiago Eizaguirre, Michael Heidinger, Fabian Denk, Christoph Simon, Santiago Eizaguirre, Michael Heidinger, Alexander Lange, Jennifer Lautner, Bernhard Piepenbreier,
Rainer Kling, Wolfgang Heering, Karlsruhe Institute of Technology (KIT), D; Rainer Kling, Wolfgang Heering, Karlsruhe Institute of Technology (KIT), D; Friedrich-Alexander-University Erlangen, D
Karsten Haehre, Porsche Engineering, D Karsten Haehre, Porsche Engineering, D
Control Scheme for Wide-Bandgap Motor Inverters with an Observer-Based
Reducing the dv/dt of Motor Inverters by a Two Leg Resonant Switching Cell Reducing the dv/dt of Motor Inverters by a Two Leg Resonant Switching Cell Active Damped Sine Wave Filter
Thomas Fuchslueger, Hans Ertl, Technical University of Vienna, AT; Markus Thomas Fuchslueger, Hans Ertl, Technical University of Vienna, AT; Markus Franz Maislinger, Hans Ertl, Technical University of Vienna, AT; Goran
Vogelsberger, Bombardier Transportation, AT Vogelsberger, Bombardier Transportation, AT Stojcic, Florian Holzner, Christoph Lagler, Bernecker + Rainer Industrie
Elektronik, AT
Plasma-induced Diode Short-Circuit in Neutral-Point-Clamped Converters Plasma-induced Diode Short-Circuit in Neutral-Point-Clamped
David Hammes, Jan Fuhrmann, Robin Schrader, Sidney Gierschner, Hans- Converters Common- and Differential-Mode Separators Including the FM
Günter Eckel, University of Rostock, D; Dietmar Krug, Siemens Industry, D David Hammes, Jan Fuhrmann, Robin Schrader, Sidney Gierschner, Hans- Broadcasting Band
Günter Eckel, University of Rostock, D; Dietmar Krug, Siemens Industry, D Karl Oberdieck, Jérôme Gossmann, Andreas Bubert, Rik W. de Doncker,
High Dynamic Stress on SiC Trench MOSFET Body Diodes and their RWTH Aachen, D
Behaviour High Dynamic Stress on SiC Trench MOSFET Body Diodes and their
Andreas März, Mark-M. Bakran, University of Bayreuth, D Behaviour Novel Thyristor-Based Pulsed Current Converter for a Medical Application –
Andreas März, Mark-M. Bakran, University of Bayreuth, D a Conceptual Introduction
Diagnostic Technique for Traction Motor Insulation Condition Monitoring by Stefan Wettengel, Lars Lindenmüller, Steffen Bernet, Technical University
Transient Signal Assessment Highly Integrated Two-Phase SiC Boost Converter with 3D Printed Fluid of Dresden, D; Florian Kroll, Florian-Emanuel Brack, Helmholtz-Zentrum
Markus Vogelsberger, Bombardier Transportation Austria, AT; Coolers and 3D Printed Inductor Bobbins Dresden - Rossendorf, D; Jörg Pawelke, OncoRay - Nationales Zentrum für
Clemens Zöller, Hans Ertl, Thomas M. Wolbank, Technical University of Arne Hendrik Wienhausen, Alexander Sewergin, Rik W. de Strahlenforschung in der Onkologie, D
Vienna, AT; Martin Bazant, Bombardier Transportation, CH Doncker, RWTH Aachen, D
Highly Integrated Two-Phase SiC Boost Converter with 3D Printed Fluid Applying the 2D-Short Circuit Detection Method to SiC MOSFETs Including
Coolers and 3D Printed Inductor Bobbins an Advanced Soft Turn Off
Arne Hendrik Wienhausen, Alexander Sewergin, Rik W. de Patrick Hofstetter, Stefan Hain, Mark-M. Bakran, University of Bayreuth, D
Doncker, RWTH Aachen, D
New 6.5kV 1000A IGBT Module with Side Gate HiGT
Hiroyuki Koguchi, Taiga Arai, Takayuki Kushima, Tatsuya Matsumoto,
This award is sponsored by: Hiroki Kawano, Takahiro Saiki, Tetsuo Oda, Hitachi Power Semiconductor These awards are sponsored by:
Device, J; Masaki Shiraishi, Hitachi, JYou can also read
