@article{BuedelTeigelkoetterStocketal.2020, author = {B{\"u}del, Johannes and Teigelk{\"o}tter, Johannes and Stock, Alexander and Grilli, Francesco and Benkel, Tara and H{\"a}nisch, Jens and Lao, Mayraluna and Reis, Thomas and Berberich, Eva and Wolfst{\"a}dter, Simon and Schneider, Christian and Miller, Paul and Palmer, Chloe and Glowacki, Bartek and Climente-Alarcon, Vicente and Smara, Anis and Tomkow, Lukasz and Jeunesse, Loic and Staempflin, Martin and Delautre, Guillaume and Zimmermann, Baptiste and van der Woude, Ruud and Perez, Ana and Samoilenkov, Sergey and Molodyk, Alexander and Pardo, Enric and Kapolka, Milan and Li, Shuo and Dadhich, Anang}, title = {Superconducting motors for aircraft propulsion: the Advanced Superconducting Motor Experimental Demonstrator project}, series = {Journal of Physics: Conference Series}, volume = {1590}, journal = {Journal of Physics: Conference Series}, doi = {10.1088/1742-6596/1590/1/012051}, year = {2020}, abstract = {The European Union-funded Advanced Superconducting Motor Experimental Demonstrator (ASuMED) project started in May 2017 with the purpose of demonstrating the benefits of a new, fully superconducting motor for reaching the targets established by the Flightpath 2050 plan. The project aims at a motor power density of 20 kW kg-1 using a high-temperature superconducting (HTS) stator. The rotor will use HTS stacks operating like permanent magnets. A highly efficient cryostat for the motor combined with an integrated cryogenic cooling system and associated power converter will be used. This article provides a general overview of the prototype that is currently being assembled and that will be tested soon.}, subject = {Hochtemperatursupraleiter}, language = {en} } @inproceedings{TeigelkoetterKowalskiStocketal.2011, author = {Teigelk{\"o}tter, Johannes and Kowalski, Thomas and Stock, Alexander and Staudt, Stefan and Parr, Markus}, title = {Modulares Lithium-Ionen-Batteriesystem f{\"u}r Nutzfahrzeuge mit hocheffizienter integrierter Leistungselektronik}, series = {Internationaler ETG-Kongress 2011. Umsetzungskonzepte nachhaltiger Energiesysteme - Erzeugung, Netze, Verbrauch}, booktitle = {Internationaler ETG-Kongress 2011. Umsetzungskonzepte nachhaltiger Energiesysteme - Erzeugung, Netze, Verbrauch}, number = {130 (Teil B)}, publisher = {VDE-Verlag}, isbn = {978-3-8007-3376-7}, pages = {277 -- 287}, year = {2011}, subject = {Nutzfahrzeug}, language = {de} } @inproceedings{TeigelkoetterRolffKowalskietal.2011, author = {Teigelk{\"o}tter, Johannes and Rolff, Christian and Kowalski, Thomas and Stock, Alexander}, title = {Dynamische Regelung von permanenterregten Synchronmaschinen in der Traktion mit geringer Spannungsreserve}, series = {Trends in der elektrischen Antriebstechnologie f{\"u}r Hybrid- und Elektrofahrzeuge}, booktitle = {Trends in der elektrischen Antriebstechnologie f{\"u}r Hybrid- und Elektrofahrzeuge}, number = {121}, publisher = {expert Verlag GmbH}, address = {Renningen}, isbn = {978-3816931003}, pages = {198 -- 217}, year = {2011}, subject = {Synchronmaschine}, language = {de} } @inproceedings{TeigelkoetterStockKowalskietal.2013, author = {Teigelk{\"o}tter, Johannes and Stock, Alexander and Kowalski, Thomas and Staudt, Stefan and Lang, Klaus and Eberlein, Dirk}, title = {Hochdynamische Leistungsmessung auf der Basis von Rohdaten im Antriebsstrang von Hybrid- und Elektrofahrzeugen}, series = {Haus der Technik}, volume = {131}, booktitle = {Haus der Technik}, editor = {Sch{\"a}fer, Heinz}, publisher = {Expert-Verlag}, address = {Renningen}, isbn = {978-3-8169-3239-0}, pages = {444 -- 457}, year = {2013}, subject = {Elektrofahrzeug}, language = {de} } @inproceedings{TeigelkoetterStockKowalskietal.2013, author = {Teigelk{\"o}tter, Johannes and Stock, Alexander and Kowalski, Thomas and Staudt, Stefan and Lang, Klaus and Eberlein, Dirk}, title = {Hochdynamische Leistungsmessung im elektrischen Antriebsstrang von Elektrofahrzeugen}, series = {ETG-Fachbericht 139}, volume = {139}, booktitle = {ETG-Fachbericht 139}, publisher = {VDE-Verlag}, address = {2013}, isbn = {978-3-8007-3550-1}, year = {2013}, subject = {Leistungsmessung}, language = {de} } @inproceedings{TeigelkoetterStockKowalskietal.2013, author = {Teigelk{\"o}tter, Johannes and Stock, Alexander and Kowalski, Thomas and Burtchen, Dennis and Setzer, Max}, title = {Die doppeltgespeiste Synchronmaschine (DGS) - Schaltungstopologie und Regelungskonzept}, series = {ETG-Fachbericht 139}, volume = {139}, booktitle = {ETG-Fachbericht 139}, publisher = {VDE-Verlag}, address = {Berlin und Offenbach}, isbn = {978-3-8007-3550-1}, year = {2013}, subject = {Drehstromsynchronmaschine}, language = {de} } @inproceedings{TeigelkoetterStockKowalskietal.2013, author = {Teigelk{\"o}tter, Johannes and Stock, Alexander and Kowalski, Thomas and Burtchen, Dennis and Setzer, Max}, title = {Hocheffizienter Betrieb von permanenterregten Synchronmaschinen am Netz}, series = {ETG-Fachbericht}, volume = {138}, booktitle = {ETG-Fachbericht}, editor = {VDE, and VDI,}, publisher = {VDE-Verlag}, address = {Berlin und Offenbach}, isbn = {978-3-8007-3546-4}, pages = {9 -- 16}, year = {2013}, subject = {Drehstromsynchronmaschine}, language = {de} } @inproceedings{TeigelkoetterStockStaudtetal.2015, author = {Teigelk{\"o}tter, Johannes and Stock, Alexander and Staudt, Stefan and Kowalski, Thomas}, title = {Traktionsantriebe mit hochausgenutzten Synchronreluktanzmaschinen im Niederspannungsbereich}, series = {Elektrische Traktions- und Hilfsantriebe f{\"u}r die Elektrifizierung und Hybridisierung von Kraftfahrzeugen}, booktitle = {Elektrische Traktions- und Hilfsantriebe f{\"u}r die Elektrifizierung und Hybridisierung von Kraftfahrzeugen}, number = {139}, editor = {Sch{\"a}fer, Heinz and Klaffke, Werner}, publisher = {Expert Verlag}, address = {Renningen}, isbn = {978-3-8007-3546-4}, pages = {28 -- 40}, year = {2015}, subject = {Reluktanzmotor}, language = {de} } @inproceedings{StaudtTeigelkoetterKowalskietal.2015, author = {Staudt, Stefan and Teigelk{\"o}tter, Johannes and Kowalski, Thomas and Stock, Alexander}, title = {High-performance Synchronous Reluctance Motors in Low-voltage Applications}, series = {17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), 2015}, booktitle = {17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), 2015}, editor = {IEEE,}, doi = {10.1109/EPE.2015.7309226}, pages = {1 -- 10}, year = {2015}, subject = {Niederspannung}, language = {en} } @inproceedings{StockTeigelkoetterKowalskietal.2015, author = {Stock, Alexander and Teigelk{\"o}tter, Johannes and Kowalski, Thomas and Staudt, Stefan}, title = {Highly Efficient Constant-Speed Drive System Based on a Doubly Fed Permanent Magnet Synchronous Machine}, series = {17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), 2015}, booktitle = {17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), 2015}, editor = {IEEE,}, doi = {10.1109/EPE.2015.7309228}, pages = {1 -- 10}, year = {2015}, subject = {Dauermagneterregter Synchronmotor}, language = {en} } @inproceedings{StockTeigelkoetterStaudtetal.2015, author = {Stock, Alexander and Teigelk{\"o}tter, Johannes and Staudt, Stefan and Kowalski, Thomas}, title = {The Doubly Fed Permanent Magnet Synchronous Machine as a Highly Efficient Drive System for Constant Speed Applications}, series = {IEEE 11th International Conference on Power Electronics and Drive Systems (PEDS)}, booktitle = {IEEE 11th International Conference on Power Electronics and Drive Systems (PEDS)}, editor = {IEEE,}, address = {Sydney, Australia}, doi = {10.1109/PEDS.2015.7203399}, pages = {625 -- 630}, year = {2015}, subject = {Wechselrichter}, language = {en} } @inproceedings{StaudtStockKowalskietal.2015, author = {Staudt, Stefan and Stock, Alexander and Kowalski, Thomas and Teigelk{\"o}tter, Johannes}, title = {Raw Data Based Model and High Dynamic Control Concept for Traction Drives powered by Synchronous Reluctance Machines}, series = {IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), 2015}, booktitle = {IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), 2015}, editor = {IEEE,}, address = {Torino}, doi = {10.1109/WEMDCD.2015.7194530}, pages = {204 -- 209}, year = {2015}, subject = {Reluktanzmotor}, language = {en} } @inproceedings{KowalskiTeigelkoetterStocketal.2014, author = {Kowalski, Thomas and Teigelk{\"o}tter, Johannes and Stock, Alexander and Reis, Thomas}, title = {Energy Efficient Control Strategy for PMSM with Superconductive Stator Winding}, series = {IEEE Transactions on Applied Superconductivity. Applied Superconductivity Conference (ASC) 2014}, booktitle = {IEEE Transactions on Applied Superconductivity. Applied Superconductivity Conference (ASC) 2014}, number = {25, 3}, editor = {IEEE,}, address = {Charlotte, USA}, issn = {1051-8223}, doi = {10.1109/TASC.2014.2372770}, year = {2014}, subject = {Drehstromsynchronmaschine}, language = {en} } @inproceedings{TeigelkoetterStockEberleinetal.2014, author = {Teigelk{\"o}tter, Johannes and Stock, Alexander and Eberlein, Dirk and Lang, Klaus}, title = {Innovative Measurement System for Inverter-Fed Traction Drives. Raw Data Acquisition and Near Real Time Analysis}, series = {EVTeC \& APE Japan 2014}, booktitle = {EVTeC \& APE Japan 2014}, address = {Yokohama, Japan}, pages = {6}, year = {2014}, subject = {Datenerfassung}, language = {en} } @article{EberleinLangTeigelkoetteretal.2013, author = {Eberlein, Dirk and Lang, Klaus and Teigelk{\"o}tter, Johannes and Stock, Alexander}, title = {Innovatives Messkonzept f{\"u}r elektrische Traktionsantriebe}, series = {e\&i elektrotechnik und informationstechnik}, volume = {2013}, journal = {e\&i elektrotechnik und informationstechnik}, number = {130 / 8}, publisher = {Springer}, pages = {24 -- 28}, year = {2013}, subject = {Triebstrang}, language = {de} } @inproceedings{StaudtBuedelKowalskietal.2017, author = {Staudt, Stefan and B{\"u}del, Johannes and Kowalski, Thomas and Lang, Klaus and Teigelk{\"o}tter, Johannes and Stock, Alexander}, title = {Optimized Modulation Schemes for the Efficiency Enhancement of Low Voltage Traction Drives}, series = {2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)}, booktitle = {2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)}, doi = {10.23919/EPE17ECCEEurope.2017.8098998}, year = {2017}, abstract = {This paper will present different modulation schemes for optimizing the efficiency of low-voltage traction drives. The converter of the vehicle automatically has to select the most suitable modulation or control scheme depending on the present operating point in order to maximize the efficiency of the complete drive train. Furthermore, the functional principles and algorithms of the individual modulation schemes will be presented, as well as the transition between those schemes. Finally, the performance of the different schemes will be proved by dynamic and stationary tests through fully automatized measurement analysis.}, subject = {Elektrische Maschine}, language = {en} } @inproceedings{BuedelTeigelkoetterStocketal.2017, author = {B{\"u}del, Johannes and Teigelk{\"o}tter, Johannes and Stock, Alexander and Kowalski, Thomas and Lang, Klaus}, title = {Qualification and verification of high-power battery systems for traction application}, series = {2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)}, booktitle = {2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe)}, year = {2017}, abstract = {This paper reveals that the standard test procedures for the qualification and verification of traction battery systems are not sufficient in certain cases. In fact, realistic and application-oriented tests on the interaction among the complex battery subsystems are inevitable. To achieve these objectives, a high-performance test bench with the unique selling features of a high voltage/- and current range, extremely low ripple currents, and high dynamics is presented. For the operation of the applied multiphase current-sharing inverter for charging/discharging the device under test (DUT), special control algorithms, especially a current balancing control method, is introduced.}, subject = {Traktionsbatterie}, language = {en} } @inproceedings{StockTeigelkoetterBuedel2018, author = {Stock, Alexander and Teigelk{\"o}tter, Johannes and B{\"u}del, Johannes}, title = {Highly Dynamic Switching Frequency-Based Calculation of Power Quantities, Fundamental Waveforms, and RMS Values of Inverter-fed Electrical Machines}, series = {2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia)}, booktitle = {2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia)}, doi = {10.23919/IPEC.2018.8507588}, year = {2018}, abstract = {This contribution presents an innovative approximation method for the estimation of power quantities, fundamental waveforms, and RMS values of inverter-fed electrical machines. Typically, all these parameters are calculated as cyclically linked to the fundamental cycle of the voltages and currents of the inverter output or machine input. In order to increase the dynamic of this calculation, a suitable evaluation method based on the inverter switching cycle has been presented in previous publications. The present paper extends this switching frequency-based analysis by introducing additional quantities such as apparent and reactive power. Moreover, the paper describes the utilization of this analysis method for a power control of a dual two-level inverter-fed application.}, subject = {Elektrische Maschine}, language = {en} } @inproceedings{StockTeigelkoetterStaudtetal.2018, author = {Stock, Alexander and Teigelk{\"o}tter, Johannes and Staudt, Stefan and B{\"u}del, Johannes}, title = {Highly Dynamic Calculation of Power Quantities and Further Analysis of Inverter-Fed Machines}, series = {2018 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)}, booktitle = {2018 20th European Conference on Power Electronics and Applications (EPE'18 ECCE Europe)}, isbn = {978-1-5386-4145-3}, year = {2018}, abstract = {In this contribution, a highly dynamic calculation method of power quantities and additional electrical quantities, such as RMS values and fundamental waveforms, is presented. Typically, these quantities are calculated periodically based on the fundamental cycle of the electrical voltages and currents. Hence, they are well defined during steady state conditions for ideal periodical waveforms. During dynamic balancing processes, electrical signals are non-periodic. In a strict sense, the fundamental cycle-based definitions, which are well known from the literature, are not valid for these transient signals. However, this paper presents a novel definition for the calculation of cycle-based quantities based on the switching cycle of the inverter output voltages. This definition delivers instantaneous results during transient balancing processes, whereby it approximates the conventional fundamental cycle-based definitions during the steady state.}, subject = {Elektrische Maschine}, language = {en} } @inproceedings{BuedelTeigelkoetterStock2019, author = {B{\"u}del, Johannes and Teigelk{\"o}tter, Johannes and Stock, Alexander}, title = {Optimized Dual Two-Level Inverter for Safe and Reliable Operation of Machines with Superconductive Stator Windings}, series = {2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)}, booktitle = {2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)}, isbn = {978-1-7281-2361-5}, doi = {10.23919/EPE.2019.8915524}, year = {2019}, abstract = {This paper aims to present an optimized inverter topology, based on the dual two-level inverter, for feeding an open-end winding electrical machine with superconductive stator windings and a superconductive rotor. In order to achieve a high torque density, the stator windings are built of several superconducting tapes being in parallel. One inverter of the dual two-level inverter is equipped with powerful IGBT semiconductors and supplies the machine with energy. The second inverter is a low voltage MOSFET inverter that monitors the superconductor resistance (quench detection) and balances the current on the parallel superconductive tapes for guaranteeing an optimum operation with respect to the superconductive losses.}, subject = {Elektrische Maschine}, language = {en} } @inproceedings{BuedelTeigelkoetterStocketal.2020, author = {B{\"u}del, Johannes and Teigelk{\"o}tter, Johannes and Stock, Alexander and Herkommer, Christian and Kuhlmann, Kai}, title = {High Dynamic Power Balancing for Dual Two-Level Inverters during High-Speed Machine Operation}, series = {2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)}, booktitle = {2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)}, isbn = {978-1-7281-9807-1}, doi = {10.23919/EPE20ECCEEurope43536.2020.9215695}, year = {2020}, abstract = {This paper aims to present optimized square-wave modulation strategies for the dual two-level inverter, fed by two separate and galvanically isolated energy sources, to balance and control the energy distribution of both inverter systems. Especially for high-speed operation, the methods keep the machine in the required state while decreasing the switching operations to a minimum. Method one aims to compensate voltage fluctuations of variable DC-link voltages, while the second method ensures a symmetrical power distribution for the two inverter systems. In addition, both methods offer the possibility of adapting the amplitude of the usually fixed fundamental load voltage during square-wave modulation.}, subject = {Wechselrichter}, language = {en} } @inproceedings{BuedelTeigelkoetterStocketal.2021, author = {B{\"u}del, Johannes and Teigelk{\"o}tter, Johannes and Stock, Alexander and Kuhlmann, Kai and Lang, Klaus and Ott, Patrick}, title = {Testing of High-Power Traction Batteries}, series = {SMSI 2021 - System of Units and Metreological Infrastructure}, booktitle = {SMSI 2021 - System of Units and Metreological Infrastructure}, isbn = {978-3-9819376-4-0}, doi = {10.5162/SMSI2021/C7.}, pages = {294 -- 295}, year = {2021}, abstract = {Electric drives in road vehicles with a battery as energy storage are about to be introduced to the mass market. In order to guarantee the quality and operational safety of battery-powered vehicles, considerable efforts must be made by car manufacturers and their suppliers. Since the properties of the batteries significantly determine the performance of the vehicles, special test benches with precise measuring systems are required for the accurate determination of the battery properties. The safety devices of the traction batteries must also be tested on high-performance test benches. In this paper the necessary test benches and the corresponding measuring systems are presented. Estimations of the measurement uncertainty and possibilities to increase measurement accuracy are presented.}, subject = {Traktionsbatterie}, language = {en} }