@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} }