05. - 07.06.2018
PCIM Europe 2018
Power Electronics | Intelligent Motion | Renewable Energy | Energy Management


Poster Session

Passive Components, Sensors, Diagnostics


Tuesday, 05.06.2018, 15:15 - 17:30 hrs


Elmar Stachorra, KoCoS Engineering, D


15:15 Advanced Solutions in Over-Current Protection of Hvdc Circuit of Battery-Powered Electric Vehicle
M.Sc. Mitja Koprivsek, ETI, Izlake, Slowenien
This paper shows the new approach for protection of electric energy storage batteries in order to prevent heavy damage in case of sever electrical fault, e.g. direct short circuit on the battery. Existing solutions with Pyroswitches with parallel Fuses has disadvantages. Proposed paper presents battery over-current protection system with specially designed Pyroswitch and melting Fuse in parallel. This connection can be triggered externally, is able to cover all time-current circumstances and will discharge the DC-link capacitor.
15:15 Inductive Power Transfer Systems for Rotating Applications
Dr.-Ing. Nikolay Madzharov, Technical University - Gabrovo, Gabrovo, Bulgarien
In a number of innovative technologies the transfer of electrical energy to rapidly rotating objects plays an important role. This article revises the RIPT constructions and requirements, defined by the speed of rotation, along with the design methodology, mechanical and electromagnetic analysis. Also it introduces the methodology for electrical design and gives a detailed description of simulated electromagnetic processes.
15:15 Coupled-Inductors Losses Modelling for Size and Weight Optimization Process Avoiding Time-Consuming Co-Simulations
Dr.-Ing. Leyla Arioua, VEDECOM, Versailles, Frankreich
The multiphase interleaved power converters with coupled inductors enables us to reduce the size of inductors and increase high power density comparing to non-coupled inductors topologies. Hence, estimation models for core and copper losses in the coupled inductors are required to take advantage of coupling and optimize inductors size when minimizing total losses. This paper deals with a four-phases interleaved coupled Boost converter based on SiC
MOSFET for Electric Vehicle (EV) powertrain application. In order to estimate copper loss, an approximation model of equivalent AC resistance is proposed, which allows to avoid timeconsuming
co-simulations. Concerning the core loss, a comparison between the well-known Steinmetz approach, the Improved Generalized Steinmetz Equation and the loss obtained using the 3D transient Finite Element calculations is conducted to find the most appropriate for the optimization process.
15:15 Enlarging the Standard Permeability Set of Powder E-Cores by Combination of Different Perm Core-Halves
M.Sc. Paul Winkler, Acal BFi Germany, Dietzenbach, Deutschland
Sendust E-cores are available in standardized sizes and permeabilities. These cores can be combined to get a set of new perms without inserting any air gap or the creation of new materials. We show the new permeability levels derived by combination and the calculation of a mixed-core-choke. The saturation behaviour of a mixed core including tolerance effects is compared to the one of the cores it is composed of. On one mixed core example we explain the H-field distribution in the two different core halves, derived by Finite Element analyses.
15:15 Guideline for Hysteresis Curve Measurements with Arbitrary Excitation: Pitfalls to Avoid and Practices to Follow
M.Sc. Erika Stenglein, Friedrich-Alexander University Erlangen, Erlangen, Deutschland
The voltamperometric method is used to measure hysteresis curves due its apparent simplicity. However, distortions caused by the digital oscilloscope are often disregarded. In this paper, the influence of the data acquisition system on the measured shape of hysteresis curves and its impact on core losses are discussed separately. In addition, some pitfalls of this method are analysed and recommendations for the measurement are given. The aim of this paper is to provide a guide for an easy reproduction of the measurement setup in any laboratory.
15:15 Comparing Inductive Components for Different Boost Converter Topologies in a PV System
Dr. Michael Schmidhuber, SUMIDA Components & Modules, Obernzell, Deutschland
This paper presents a comparison study of new inductive components for different boost converter topologies in a photovoltaic (PV) system. To increase the power density of the system new Silicon Carbide (SiC) semiconductors for faster switching as well as new inductive components were used. The increased switching frequency leads to a reduction in volume and material, but increases the thermal resistance of the inductive device, too. The design and the analysis were verified in a 30 A PV boost converter demonstrator.
15:15 Linear Machine with a Magnetic-Coupled Structure Based on the Transverse Flux Technology
M.Sc. Jannik Ulbrich, University of Bremen, Bremen, Deutschland
Linear applications are important for various transport and processing applications. In this paper a new concept for a linear drive is introduced designed under the premise of compactness and material efficiency. In general, the idea of transverse flux machines is used, but the important difference is the magnetic coupling of the strands.
15:15 Wide Bandwidth Current Sensor Combining a Coreless Current Transformer and TMR Sensors
Dipl.-Ing. Nathan Tröster, University of Stuttgart, Stuttgart, Deutschland
This paper presents a current sensor to measure commutation currents in power electroniccircuits. The current sensor consists of a coaxial housing, to achieve a low insertioninductance, which has to be placed into the current carrying conductor.
15:15 Precise Voltage Measurement for Power Electronics with High Switching Frequencies
M.Sc. Maximilian Nitzsche, University of Stuttgart, Stuttgart, Deutschland
This paper compares different approaches in precise measurement of gate voltages as well as drain-source voltages of modern SiC and GaN MOSFETs. An approach to calculating the necessary bandwidth of a voltage probe to reproduce the voltage slope is presented. Furthermore, state-of-the-art voltage probes are compared in means of bandwidth, common-mode reduction and response on EMI.
15:15 Fault Diagnosis in Frequency Inverter with Space Vector Recognition of Output Voltage
Prof. Dr.-Ing. Rudolf Mecke, Harz University of Applied Sciences, Wernigerode, Deutschland
In case of non-proper operation of inverter the space vector of output voltage differs from the circle or hexagon. Space vectors for different failure types (short-circuit, non switching of an IGBT, unsymmetrical phases) can be simulated and saved. By comparison with the measured space vector the failure can be located fast and precisely. This automatic pattern recognition can be used for two-level and especially for three-level inverters and saves time for the frequency inverter manufacturer.
15:15 Characterization Platform for Modular Power Converters
M.Eng. André Andreta, G2Elab, Grenoble, Frankreich
This paper presents a test bench developed to characterize modular power converters and Power Electronics Building Blocks (PEBB) converters. It is composed by a thermally isolated device where the temperature and the air flow are measured and can be regulated. A device under test is placed inside and all the important signals are acquired and processed. Large and multi-dimension experimental plans can be automated thanks to computer interface in order to sketch converter abacus and characteristics.
15:15 Rare-Earth Free EV and HEV Motor Drives: State of the Art
M.Eng. David Cabezuelo, University of the Basque Country (UPV/EHU), Bilbao, Spanien
Permanent Magnet Synchronous Machines are widely used in the electric vehicle market. Considering rare-earth market concerns, manufacturers and academia are working on alternative motor drives based on Induction, Synchronous Reluctance and Switched Reluctance technologies. Being efficiency and power density the key aspects of machines with reduced or no magnets, this paper will focus on recent advances on rare earth free machine designs for improved power density.


Speaker detail

Mr. André Andreta
M.Eng. André Andreta
G2Elab, Grenoble, Frankreich
André Andreta received the B.S and the M.S. degrees in electrical engineering from the Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brazil, in 2012 and 2014, respectively. In October 2016 he joined the Power electronics team at Grenoble INP, France, as a PhD student, where his current work focuses on modular power converters.
Ms. Leyla Arioua
Dr.-Ing. Leyla Arioua
VEDECOM, Versailles, Frankreich
Dr. Leyla ARIOUA Habarek reached the engineering degree at the Polytechnic school of Algiers (2005) and received her PhD in electrical engineering with the subject "Control of high voltage direct current links with overall large-scale grid objectives" in 2014 from ENS school, École Normale Superieure de Cachan (France) in partnership with RTE the French transmission system operator. Formerly with RTE and Alstom Power, she joined Vedecom, the French Institute of Research and Training dedicated to individual, carbon-free and sustainable mobility in 2016 as Power Electronics research engineer. Her key activity is to develop new topologies for power converters dedicated to Electrical Vehicles (EV). Since 2016, she is a reseach ingeneer at VEDECOM institute and works in developping DC-DC converters.
Mr. David Cabezuelo
M.Eng. David Cabezuelo
University of the Basque Country (UPV/EHU), Bilbao, Spanien
I received the B.S. in Mining Engineering, specialization in Energy Resources, from the University of the Basque Country in 2013, and the M.S. in Energy and Power Electronics from the Mondragon University in 2015. I worked (2013-2015) in Orona developing a solar-lift solution. And I started my PhD at 2015 in the University of the Basque Country, developing new hardware and control systems for SRM in EV application.
Mr. Mitja Koprivsek
M.Sc. Mitja Koprivsek
ETI, Izlake, Slowenien
Mitja Koprivšek has a Master Degree of Science in Electrical Engineering from Maribor University, Slovenia. He works with company ETI Elektroelement since 1985 and he occupied several different positions on the field of research and development, product management and strategic product development. He is active in international standardisation in IEC, Cenelec and Slovenian standardisation on protection devices, fuses and breakers. He is active in Slovenian Chamber of commerce and industry and in Slovenian R&D institutions.
Dr.-Ing. Nikolay Madzharov
Technical University - Gabrovo, Gabrovo, Bulgarien
Name: Nikolay Dimitrov Madzharov
Education: Dr. Thesis: Investigation and Development of the
Autonomous Inverters with Energy Dosing for Electrothermics.
Technical University of Sofia, Bulgaria 1998.
Technical University of Gabrovo, Bulgaria 1982/1987.
Subject: Power electronics.
Thesis: Resonant autonomous inverters and contact less systems
1998- 2004. Lecturer at the Technical University of Gabovo
2004 ? until now. Ass.Prof. at the Technical University of Gabrovo.
Papers: More than 90
Books: 8 books
Professor Rudolf Mecke
Prof. Dr.-Ing. Rudolf Mecke
Harz University of Applied Sciences, Wernigerode, Deutschland
Prof. Dr. Mecke received the M.Sc. and Ph.D. degrees in electrical engineering from the University Magdeburg, Germany, in 1990 and 1995. From 1990 to 1999, he worked at the Magdeburg University. From 1999 to 2006, Dr. Mecke was Project Manager in a research company. Since 2006, he has been a Full Professor for Automatic Control and Electrical Drives at the Harz University of Applied Sciences in Wernigerode, Germany. His research interests are variable speed drives, inverter topologies and power electronics.
Herr Maximilian Nitzsche
M.Sc. Maximilian Nitzsche
University of Stuttgart, Stuttgart, Deutschland
Maximilian Nitzsche studied Electrical Engineering from 2009 - 2016 at the University of Stuttgart and completed his Master of Science degree there. Since Mai 2016 he is a research associate at the Institute for Power Electronics and Electrical Drives (ILEA) of the University of Stuttgart and is working on his dissertation.
Mr. Michael Schmidhuber
Dr. Michael Schmidhuber
SUMIDA Components & Modules, Obernzell, Deutschland
Dr. Michael Schmidhuber received his degree in Electrical Engineering at the Technical University of Munich. After working as a freelancer involved in several high-tech industry projects he finished his doctoral thesis. Now he is Team Leader in the Research and Development Department at SUMIDA in Germany, dealing mostly with innovation, science, research and governmental funded projects in the field of inductive components.
Ms. Erika Stenglein
M.Sc. Erika Stenglein
Friedrich-Alexander University Erlangen, Erlangen, Deutschland
Erika Stenglein received her Master's degree in Electrical Engineering from the University of Erlangen-Nuremberg, Germany in 2015. Shortly afterwards she joined the Chair of Electromagnetic Fields of the same university as a research assistant. She is currently pursuing her Ph.D. degree in Electrical Engineering. Her research interests include a.o. electromagnetic field theory and power electronics with a focus on inductive components.
Herr Nathan Tröster
Dipl.-Ing. Nathan Tröster
University of Stuttgart, Stuttgart, Deutschland
Nathan Tröster works at the Institute for Power Electronics and Electrical Drives at the University of Stuttgart since August 2013 as a research associate. His PhD is about current measurement in power electronics.
Herr Jannik Ulbrich
M.Sc. Jannik Ulbrich
University of Bremen, Bremen, Deutschland
Jannik Ulbrich received his B.Sc. and M.Sc. degrees from the University of Bremen, Germany in 2015 respectively 2017. Currently he works as scientific assistant for the Institute for Electrical Drives, Power Electronics and Devices (IALB) at the University of Bremen. His research field includes the design and simulation of magnetic components, such as drives and components.
M.Sc. Paul Winkler
Acal BFi Germany, Dietzenbach, Deutschland
Paul Winkler worked as a researcher at Concordia University Montreal and Chemnitz University of Technology, where he focused on analog circuit simulation and sensor signal processing, before joining the Custom Services for Magnetic Components (CSMC) at Acal BFi as a design engineer for inductors in 2015. In this position he helps customers to find the right solution for their unique demand, based on the wide range of inductor core-materials the company is trading.