[{"date_created":"2025-05-05T12:27:39Z","publisher":"MDPI AG","title":"Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple","issue":"8","year":"2025","language":[{"iso":"eng"}],"keyword":["adaptive DC-link voltage","cascaded H-bridge","resonant operation","Full-Bridge Converter","loss minimization","LLC Resonant Converter","peak capacitor voltage reduction"],"publication":"Electronics","abstract":[{"text":"The LLC converter achieves the highest efficiency in resonant operation. Conventionally, the input DC-link voltage is controlled to operate the LLC converter at resonance for the given operating point. However, the DC-link capacitor voltage shows a low-frequency voltage ripple (typically the second harmonic of grid frequency) in cascaded converters so that the LLC has to adapt its switching frequency within the grid period. Conventionally, the LLC converter operates 50% of the time above the resonant frequency of 40 kHz and 50% below resonance. Both operating conditions cause additional losses. However, experimental measurements indicate that the below-resonance operation causes significantly higher losses than above-resonance operation due to much higher primary and secondary transformer currents. It is better to increase the DC-link voltage by 30% of the peak-to-peak low-frequency voltage ripple to mostly avoid below-resonance operation (i.e., from 650 V to 680 V in this case). With the proposed control, the LLC converter operates about 75% of time over resonance and only 25% of time below resonance. The overall efficiency increases from 97.66% to 97.7% for the average operating point with an 80% load current. This corresponds to a 2% total loss reduction. Finally, the peak resonance capacitor voltage decreases from 910 V to 790 V (−13%).","lang":"eng"}],"author":[{"last_name":"Unruh","id":"34289","full_name":"Unruh, Roland","first_name":"Roland"},{"first_name":"Joachim","id":"66","full_name":"Böcker, Joachim","orcid":"0000-0002-8480-7295","last_name":"Böcker"},{"first_name":"Frank","last_name":"Schafmeister","id":"71291","full_name":"Schafmeister, Frank"}],"volume":14,"date_updated":"2025-05-05T12:34:00Z","main_file_link":[{"url":"https://www.mdpi.com/2079-9292/14/8/1517"}],"doi":"10.3390/electronics14081517","publication_status":"published","publication_identifier":{"issn":["2079-9292"]},"citation":{"apa":"Unruh, R., Böcker, J., &#38; Schafmeister, F. (2025). Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple. <i>Electronics</i>, <i>14</i>(8), Article 1517. <a href=\"https://doi.org/10.3390/electronics14081517\">https://doi.org/10.3390/electronics14081517</a>","mla":"Unruh, Roland, et al. “Adaptive DC-Link Voltage Control for 22 KW, 40 KHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple.” <i>Electronics</i>, vol. 14, no. 8, 1517, MDPI AG, 2025, doi:<a href=\"https://doi.org/10.3390/electronics14081517\">10.3390/electronics14081517</a>.","bibtex":"@article{Unruh_Böcker_Schafmeister_2025, title={Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple}, volume={14}, DOI={<a href=\"https://doi.org/10.3390/electronics14081517\">10.3390/electronics14081517</a>}, number={81517}, journal={Electronics}, publisher={MDPI AG}, author={Unruh, Roland and Böcker, Joachim and Schafmeister, Frank}, year={2025} }","short":"R. Unruh, J. Böcker, F. Schafmeister, Electronics 14 (2025).","ama":"Unruh R, Böcker J, Schafmeister F. Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple. <i>Electronics</i>. 2025;14(8). doi:<a href=\"https://doi.org/10.3390/electronics14081517\">10.3390/electronics14081517</a>","chicago":"Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Adaptive DC-Link Voltage Control for 22 KW, 40 KHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple.” <i>Electronics</i> 14, no. 8 (2025). <a href=\"https://doi.org/10.3390/electronics14081517\">https://doi.org/10.3390/electronics14081517</a>.","ieee":"R. Unruh, J. Böcker, and F. Schafmeister, “Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple,” <i>Electronics</i>, vol. 14, no. 8, Art. no. 1517, 2025, doi: <a href=\"https://doi.org/10.3390/electronics14081517\">10.3390/electronics14081517</a>."},"intvolume":"        14","user_id":"34289","department":[{"_id":"52"}],"_id":"59805","article_number":"1517","type":"journal_article","status":"public"},{"abstract":[{"text":"Three-phase cascaded H-bridge converters (CHBs) in star configuration require reliable current controllers to evenly charge the module DC-link capacitors. Conventionally, a current control in dq-coordinates is utilized. At steady state, the resulting calculated reference arm voltages are sinusoidal, have identical amplitudes and show a phase shift of 120 degree to each other. For balanced grid inductors, the resulting grid currents also have the same amplitude. However, own simulations show that unbalanced grid inductors always lead to different grid current amplitudes (4% difference in this case). As a result, the averaged charging module powers differ and the peak DC-link capacitor voltage rises as well. In the first step, an adaptation of an existing zero-sequence voltage injection is proposed. For balanced grid inductors, it converges to the 3rd harmonic voltage injection which can reduce the peak-to-peak DC-link voltage ripple up by to 50% and balances the power between the phases. However, unbalanced grid inductors still lead to the same unbalanced grid currents of 4%. Therefore, a new method with 4 integrators based on linear regression is proposed to achieve sinusoidal grid currents for unbalanced inductors. The proposed method has a similar transient dynamic as the conventional dq control, but balances the grid currents nearly ideally. Simulation results of a 1MW cascaded H bridge and a scaled-down prototype verify the proposed method.","lang":"eng"}],"status":"public","type":"conference","publication":"2025 Energy Conversion Congress &amp;amp; Expo Europe (ECCE Europe)","keyword":["Cascaded H-Bridge","Current Control","dq Transformation","Linear Regression","Unbalanced Inductors"],"language":[{"iso":"eng"}],"_id":"63157","user_id":"34289","department":[{"_id":"52"}],"year":"2025","citation":{"ieee":"R. Unruh, J. Böcker, and F. Schafmeister, “Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters,” presented at the 2025 Energy Conversion Congress &#38; Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, doi: <a href=\"https://doi.org/10.1109/ecce-europe62795.2025.11238538\">10.1109/ecce-europe62795.2025.11238538</a>.","chicago":"Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters.” In <i>2025 Energy Conversion Congress &#38;amp;Amp; Expo Europe (ECCE Europe)</i>. IEEE, 2025. <a href=\"https://doi.org/10.1109/ecce-europe62795.2025.11238538\">https://doi.org/10.1109/ecce-europe62795.2025.11238538</a>.","ama":"Unruh R, Böcker J, Schafmeister F. Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters. In: <i>2025 Energy Conversion Congress &#38;amp;Amp; Expo Europe (ECCE Europe)</i>. IEEE; 2025. doi:<a href=\"https://doi.org/10.1109/ecce-europe62795.2025.11238538\">10.1109/ecce-europe62795.2025.11238538</a>","short":"R. Unruh, J. Böcker, F. Schafmeister, in: 2025 Energy Conversion Congress &#38;amp;Amp; Expo Europe (ECCE Europe), IEEE, 2025.","mla":"Unruh, Roland, et al. “Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters.” <i>2025 Energy Conversion Congress &#38;amp;Amp; Expo Europe (ECCE Europe)</i>, IEEE, 2025, doi:<a href=\"https://doi.org/10.1109/ecce-europe62795.2025.11238538\">10.1109/ecce-europe62795.2025.11238538</a>.","bibtex":"@inproceedings{Unruh_Böcker_Schafmeister_2025, title={Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters}, DOI={<a href=\"https://doi.org/10.1109/ecce-europe62795.2025.11238538\">10.1109/ecce-europe62795.2025.11238538</a>}, booktitle={2025 Energy Conversion Congress &#38;amp;amp; Expo Europe (ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Böcker, Joachim and Schafmeister, Frank}, year={2025} }","apa":"Unruh, R., Böcker, J., &#38; Schafmeister, F. (2025). Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters. <i>2025 Energy Conversion Congress &#38;amp;Amp; Expo Europe (ECCE Europe)</i>. 2025 Energy Conversion Congress &#38; Expo Europe (ECCE Europe), Birmingham, United Kingdom. <a href=\"https://doi.org/10.1109/ecce-europe62795.2025.11238538\">https://doi.org/10.1109/ecce-europe62795.2025.11238538</a>"},"publication_status":"published","title":"Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters","main_file_link":[{"url":"https://ieeexplore.ieee.org/document/11238538"}],"doi":"10.1109/ecce-europe62795.2025.11238538","conference":{"location":"Birmingham, United Kingdom","end_date":"2025-09-04","start_date":"2025-09-01","name":"2025 Energy Conversion Congress & Expo Europe (ECCE Europe)"},"date_updated":"2025-12-16T15:25:38Z","publisher":"IEEE","date_created":"2025-12-16T15:20:55Z","author":[{"last_name":"Unruh","full_name":"Unruh, Roland","id":"34289","first_name":"Roland"},{"first_name":"Joachim","orcid":"0000-0002-8480-7295","last_name":"Böcker","id":"66","full_name":"Böcker, Joachim"},{"first_name":"Frank","last_name":"Schafmeister","full_name":"Schafmeister, Frank","id":"71291"}]},{"status":"public","publication":"PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management","type":"conference","language":[{"iso":"eng"}],"_id":"54353","department":[{"_id":"52"}],"user_id":"71291","year":"2024","place":"Nuremberg","citation":{"ieee":"T. Piepenbrock, L. Keuck, S. Schachten, J. Böcker, and F. Schafmeister, “Study on Sample Geometries for Ferrite Characterisation in the MHz-Range,” Nuremberg.","chicago":"Piepenbrock, Till, Lukas  Keuck, Sebastian  Schachten, Joachim Böcker, and Frank Schafmeister. “Study on Sample Geometries for Ferrite Characterisation in the MHz-Range.” In <i>PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management</i>. Nuremberg, n.d.","ama":"Piepenbrock T, Keuck L, Schachten S, Böcker J, Schafmeister F. Study on Sample Geometries for Ferrite Characterisation in the MHz-Range. In: <i>PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management</i>.","apa":"Piepenbrock, T., Keuck, L., Schachten, S., Böcker, J., &#38; Schafmeister, F. (n.d.). Study on Sample Geometries for Ferrite Characterisation in the MHz-Range. <i>PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management</i>.","mla":"Piepenbrock, Till, et al. “Study on Sample Geometries for Ferrite Characterisation in the MHz-Range.” <i>PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management</i>.","bibtex":"@inproceedings{Piepenbrock_Keuck_Schachten_Böcker_Schafmeister, place={Nuremberg}, title={Study on Sample Geometries for Ferrite Characterisation in the MHz-Range}, booktitle={PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management}, author={Piepenbrock, Till and Keuck, Lukas  and Schachten, Sebastian  and Böcker, Joachim and Schafmeister, Frank} }","short":"T. Piepenbrock, L. Keuck, S. Schachten, J. Böcker, F. Schafmeister, in: PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, n.d."},"publication_status":"inpress","title":"Study on Sample Geometries for Ferrite Characterisation in the MHz-Range","conference":{"location":"Nuremberg"},"date_updated":"2024-05-19T14:05:02Z","date_created":"2024-05-19T14:00:13Z","author":[{"first_name":"Till","full_name":"Piepenbrock, Till","last_name":"Piepenbrock"},{"first_name":"Lukas ","last_name":"Keuck","full_name":"Keuck, Lukas "},{"last_name":"Schachten","full_name":"Schachten, Sebastian ","first_name":"Sebastian "},{"last_name":"Böcker","orcid":"0000-0002-8480-7295","id":"66","full_name":"Böcker, Joachim","first_name":"Joachim"},{"first_name":"Frank","last_name":"Schafmeister","full_name":"Schafmeister, Frank","id":"71291"}]},{"department":[{"_id":"52"}],"user_id":"66","_id":"53309","language":[{"iso":"eng"}],"keyword":["Electrical and Electronic Engineering","Energy Engineering and Power Technology"],"publication":"IEEE Transactions on Energy Conversion","type":"journal_article","status":"public","date_created":"2024-04-06T13:48:59Z","author":[{"first_name":"Lukas","last_name":"Hölsch","full_name":"Hölsch, Lukas"},{"id":"75779","full_name":"Brosch, Anian","last_name":"Brosch","orcid":"0000-0003-4871-1664","first_name":"Anian"},{"first_name":"Richard","full_name":"Steckel, Richard","last_name":"Steckel"},{"full_name":"Braun, Tristan","last_name":"Braun","first_name":"Tristan"},{"last_name":"Wendel","full_name":"Wendel, Sebastian","first_name":"Sebastian"},{"full_name":"Böcker, Joachim","id":"66","last_name":"Böcker","orcid":"0000-0002-8480-7295","first_name":"Joachim"},{"first_name":"Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid","full_name":"Wallscheid, Oliver","id":"11291"}],"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","date_updated":"2024-06-13T11:03:00Z","doi":"10.1109/tec.2024.3374962","title":"Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives","publication_identifier":{"issn":["0885-8969","1558-0059"]},"publication_status":"published","page":"1-12","citation":{"ama":"Hölsch L, Brosch A, Steckel R, et al. Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives. <i>IEEE Transactions on Energy Conversion</i>. Published online 2024:1-12. doi:<a href=\"https://doi.org/10.1109/tec.2024.3374962\">10.1109/tec.2024.3374962</a>","ieee":"L. Hölsch <i>et al.</i>, “Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives,” <i>IEEE Transactions on Energy Conversion</i>, pp. 1–12, 2024, doi: <a href=\"https://doi.org/10.1109/tec.2024.3374962\">10.1109/tec.2024.3374962</a>.","chicago":"Hölsch, Lukas, Anian Brosch, Richard Steckel, Tristan Braun, Sebastian Wendel, Joachim Böcker, and Oliver Wallscheid. “Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives.” <i>IEEE Transactions on Energy Conversion</i>, 2024, 1–12. <a href=\"https://doi.org/10.1109/tec.2024.3374962\">https://doi.org/10.1109/tec.2024.3374962</a>.","apa":"Hölsch, L., Brosch, A., Steckel, R., Braun, T., Wendel, S., Böcker, J., &#38; Wallscheid, O. (2024). Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives. <i>IEEE Transactions on Energy Conversion</i>, 1–12. <a href=\"https://doi.org/10.1109/tec.2024.3374962\">https://doi.org/10.1109/tec.2024.3374962</a>","mla":"Hölsch, Lukas, et al. “Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives.” <i>IEEE Transactions on Energy Conversion</i>, Institute of Electrical and Electronics Engineers (IEEE), 2024, pp. 1–12, doi:<a href=\"https://doi.org/10.1109/tec.2024.3374962\">10.1109/tec.2024.3374962</a>.","bibtex":"@article{Hölsch_Brosch_Steckel_Braun_Wendel_Böcker_Wallscheid_2024, title={Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives}, DOI={<a href=\"https://doi.org/10.1109/tec.2024.3374962\">10.1109/tec.2024.3374962</a>}, journal={IEEE Transactions on Energy Conversion}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Hölsch, Lukas and Brosch, Anian and Steckel, Richard and Braun, Tristan and Wendel, Sebastian and Böcker, Joachim and Wallscheid, Oliver}, year={2024}, pages={1–12} }","short":"L. Hölsch, A. Brosch, R. Steckel, T. Braun, S. Wendel, J. Böcker, O. Wallscheid, IEEE Transactions on Energy Conversion (2024) 1–12."},"year":"2024"},{"conference":{"start_date":"2024-06-19","name":"27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion","location":"Ischia, near Naples, Italy","end_date":"2024-06-21"},"doi":"10.1109/SPEEDAM61530.2024.10609111","title":"FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range","date_created":"2024-05-19T14:33:36Z","author":[{"first_name":"Till","full_name":"Piepenbrock, Till","last_name":"Piepenbrock"},{"last_name":"Schafmeister","id":"71291","full_name":"Schafmeister, Frank","first_name":"Frank"},{"first_name":"Joachim","last_name":"Böcker","orcid":"0000-0002-8480-7295","id":"66","full_name":"Böcker, Joachim"}],"date_updated":"2024-09-11T06:33:24Z","citation":{"apa":"Piepenbrock, T., Schafmeister, F., &#38; Böcker, J. (n.d.). FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range. <i>SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion</i>. 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Ischia, near Naples, Italy. <a href=\"https://doi.org/10.1109/SPEEDAM61530.2024.10609111\">https://doi.org/10.1109/SPEEDAM61530.2024.10609111</a>","short":"T. Piepenbrock, F. Schafmeister, J. Böcker, in: SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Ischia, n.d.","mla":"Piepenbrock, Till, et al. “FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range.” <i>SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion</i>, doi:<a href=\"https://doi.org/10.1109/SPEEDAM61530.2024.10609111\">10.1109/SPEEDAM61530.2024.10609111</a>.","bibtex":"@inproceedings{Piepenbrock_Schafmeister_Böcker, place={Ischia}, title={FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range}, DOI={<a href=\"https://doi.org/10.1109/SPEEDAM61530.2024.10609111\">10.1109/SPEEDAM61530.2024.10609111</a>}, booktitle={SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion}, author={Piepenbrock, Till and Schafmeister, Frank and Böcker, Joachim} }","ieee":"T. Piepenbrock, F. Schafmeister, and J. Böcker, “FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range,” presented at the 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Ischia, near Naples, Italy, doi: <a href=\"https://doi.org/10.1109/SPEEDAM61530.2024.10609111\">10.1109/SPEEDAM61530.2024.10609111</a>.","chicago":"Piepenbrock, Till, Frank Schafmeister, and Joachim Böcker. “FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range.” In <i>SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion</i>. Ischia, n.d. <a href=\"https://doi.org/10.1109/SPEEDAM61530.2024.10609111\">https://doi.org/10.1109/SPEEDAM61530.2024.10609111</a>.","ama":"Piepenbrock T, Schafmeister F, Böcker J. FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range. In: <i>SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion</i>. doi:<a href=\"https://doi.org/10.1109/SPEEDAM61530.2024.10609111\">10.1109/SPEEDAM61530.2024.10609111</a>"},"year":"2024","place":"Ischia","related_material":{"link":[{"relation":"confirmation","url":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10609111"}]},"publication_status":"inpress","language":[{"iso":"eng"}],"department":[{"_id":"52"}],"user_id":"66","_id":"54357","status":"public","publication":"SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion","type":"conference"},{"keyword":["Cascaded H-Bridge","Converter Losses","Decentralized Control","Full-Bridge Converter","LLC Resonant Converter"],"language":[{"iso":"eng"}],"publication":"ECCE Europe 2024; IEEE Energy Conversion Congress & Exposition Europe","abstract":[{"lang":"eng","text":"Although there are numerous design and control methodologies for the LLC resonant converter,\r\nthey often do not consider decentralized control strategies to operate them as isolated DC-DC converters within a\r\ncascaded H-bridge. The total output power of all LLC converters must be constant to supply a load such as a wa-\r\nter electrolyzer. However, each individual LLC converter can vary its output power as long as the total output\r\npower remains constant. This opens new possibilities in increasing the system efficiency and robustness. Usually,\r\nthe DC-link voltage of each module capacitor shows a 2nd harmonic voltage ripple. However, the total stored energy\r\nin all DC-link capacitors is constant within a grid period for a balanced three-phase system. By controlling each\r\nLLC converter’s output power locally to be proportional to the energy stored in its DC-link capacitor, modules with\r\na lower instantaneous DC-link voltage transfer less power to the load than modules with a higher DC-link voltage.\r\nAs a result, a higher efficiency, voltage gain and lower peak resonant capacitor voltage can be achieved with the\r\nsame components. The 22.2kW experimental prototype of the LLC converter reaches an efficiency of over 97% at\r\nresonance which is similar to the precalculated value."}],"publisher":"IEEE","date_created":"2024-05-19T14:26:29Z","title":"Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter","year":"2024","_id":"54356","user_id":"34289","department":[{"_id":"52"}],"type":"conference","status":"public","date_updated":"2024-11-28T14:16:05Z","author":[{"full_name":"Unruh, Roland","id":"34289","last_name":"Unruh","first_name":"Roland"},{"first_name":"Joachim","orcid":"0000-0002-8480-7295","last_name":"Böcker","id":"66","full_name":"Böcker, Joachim"},{"first_name":"Frank","full_name":"Schafmeister, Frank","id":"71291","last_name":"Schafmeister"}],"main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/10751954"}],"doi":"https://doi.org/10.1109/ECCEEurope62508.2024.10751954","conference":{"start_date":"2024-09-02","name":"ECCE Europe 2024","location":"Darmstadt, Germany","end_date":"2024-09-06"},"publication_status":"accepted","publication_identifier":{"isbn":["979-8-3503-6444-6"]},"place":"Darmstadt","citation":{"ama":"Unruh R, Böcker J, Schafmeister F. Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter. In: <i>ECCE Europe 2024; IEEE Energy Conversion Congress &#38; Exposition Europe</i>. IEEE. doi:<a href=\"https://doi.org/10.1109/ECCEEurope62508.2024.10751954\">https://doi.org/10.1109/ECCEEurope62508.2024.10751954</a>","chicago":"Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Experimentally Verified 22 KW, 40 KHz LLC Resonant Converter Design with New Control for a 1 MW Cascaded H-Bridge Converter.” In <i>ECCE Europe 2024; IEEE Energy Conversion Congress &#38; Exposition Europe</i>. Darmstadt: IEEE, n.d. <a href=\"https://doi.org/10.1109/ECCEEurope62508.2024.10751954\">https://doi.org/10.1109/ECCEEurope62508.2024.10751954</a>.","ieee":"R. Unruh, J. Böcker, and F. Schafmeister, “Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter,” presented at the ECCE Europe 2024, Darmstadt, Germany, doi: <a href=\"https://doi.org/10.1109/ECCEEurope62508.2024.10751954\">https://doi.org/10.1109/ECCEEurope62508.2024.10751954</a>.","apa":"Unruh, R., Böcker, J., &#38; Schafmeister, F. (n.d.). Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter. <i>ECCE Europe 2024; IEEE Energy Conversion Congress &#38; Exposition Europe</i>. ECCE Europe 2024, Darmstadt, Germany. <a href=\"https://doi.org/10.1109/ECCEEurope62508.2024.10751954\">https://doi.org/10.1109/ECCEEurope62508.2024.10751954</a>","bibtex":"@inproceedings{Unruh_Böcker_Schafmeister, place={Darmstadt}, title={Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter}, DOI={<a href=\"https://doi.org/10.1109/ECCEEurope62508.2024.10751954\">https://doi.org/10.1109/ECCEEurope62508.2024.10751954</a>}, booktitle={ECCE Europe 2024; IEEE Energy Conversion Congress &#38; Exposition Europe}, publisher={IEEE}, author={Unruh, Roland and Böcker, Joachim and Schafmeister, Frank} }","short":"R. Unruh, J. Böcker, F. Schafmeister, in: ECCE Europe 2024; IEEE Energy Conversion Congress &#38; Exposition Europe, IEEE, Darmstadt, n.d.","mla":"Unruh, Roland, et al. “Experimentally Verified 22 KW, 40 KHz LLC Resonant Converter Design with New Control for a 1 MW Cascaded H-Bridge Converter.” <i>ECCE Europe 2024; IEEE Energy Conversion Congress &#38; Exposition Europe</i>, IEEE, doi:<a href=\"https://doi.org/10.1109/ECCEEurope62508.2024.10751954\">https://doi.org/10.1109/ECCEEurope62508.2024.10751954</a>."}},{"user_id":"66","department":[{"_id":"52"}],"_id":"48059","language":[{"iso":"eng"}],"keyword":["Electrical and Electronic Engineering","Industrial and Manufacturing Engineering","Control and Systems Engineering"],"type":"journal_article","publication":"IEEE Open Journal of the Industrial Electronics Society","status":"public","author":[{"full_name":"Winkel, Fabian","last_name":"Winkel","first_name":"Fabian"},{"first_name":"Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid","id":"11291","full_name":"Wallscheid, Oliver"},{"first_name":"Peter","last_name":"Scholz","full_name":"Scholz, Peter"},{"first_name":"Joachim","last_name":"Böcker","orcid":"0000-0002-8480-7295","full_name":"Böcker, Joachim","id":"66"}],"date_created":"2023-10-14T12:03:38Z","date_updated":"2023-10-14T12:16:35Z","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","doi":"10.1109/ojies.2023.3323870","title":"Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays","publication_status":"published","publication_identifier":{"issn":["2644-1284"]},"citation":{"ama":"Winkel F, Wallscheid O, Scholz P, Böcker J. Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays. <i>IEEE Open Journal of the Industrial Electronics Society</i>. Published online 2023:1-14. doi:<a href=\"https://doi.org/10.1109/ojies.2023.3323870\">10.1109/ojies.2023.3323870</a>","chicago":"Winkel, Fabian, Oliver Wallscheid, Peter Scholz, and Joachim Böcker. “Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays.” <i>IEEE Open Journal of the Industrial Electronics Society</i>, 2023, 1–14. <a href=\"https://doi.org/10.1109/ojies.2023.3323870\">https://doi.org/10.1109/ojies.2023.3323870</a>.","ieee":"F. Winkel, O. Wallscheid, P. Scholz, and J. Böcker, “Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays,” <i>IEEE Open Journal of the Industrial Electronics Society</i>, pp. 1–14, 2023, doi: <a href=\"https://doi.org/10.1109/ojies.2023.3323870\">10.1109/ojies.2023.3323870</a>.","apa":"Winkel, F., Wallscheid, O., Scholz, P., &#38; Böcker, J. (2023). Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays. <i>IEEE Open Journal of the Industrial Electronics Society</i>, 1–14. <a href=\"https://doi.org/10.1109/ojies.2023.3323870\">https://doi.org/10.1109/ojies.2023.3323870</a>","bibtex":"@article{Winkel_Wallscheid_Scholz_Böcker_2023, title={Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays}, DOI={<a href=\"https://doi.org/10.1109/ojies.2023.3323870\">10.1109/ojies.2023.3323870</a>}, journal={IEEE Open Journal of the Industrial Electronics Society}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Winkel, Fabian and Wallscheid, Oliver and Scholz, Peter and Böcker, Joachim}, year={2023}, pages={1–14} }","short":"F. Winkel, O. Wallscheid, P. Scholz, J. Böcker, IEEE Open Journal of the Industrial Electronics Society (2023) 1–14.","mla":"Winkel, Fabian, et al. “Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays.” <i>IEEE Open Journal of the Industrial Electronics Society</i>, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 1–14, doi:<a href=\"https://doi.org/10.1109/ojies.2023.3323870\">10.1109/ojies.2023.3323870</a>."},"page":"1-14","year":"2023"},{"publication_identifier":{"issn":["0018-9529","1558-1721"]},"publication_status":"published","year":"2023","page":"1-14","citation":{"mla":"Winkel, Fabian, et al. “Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning.” <i>IEEE Transactions on Reliability</i>, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 1–14, doi:<a href=\"https://doi.org/10.1109/tr.2023.3255786\">10.1109/tr.2023.3255786</a>.","bibtex":"@article{Winkel_Deuse-Kleinsteuber_Böcker_2023, title={Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning}, DOI={<a href=\"https://doi.org/10.1109/tr.2023.3255786\">10.1109/tr.2023.3255786</a>}, journal={IEEE Transactions on Reliability}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Winkel, Fabian and Deuse-Kleinsteuber, Johannes and Böcker, Joachim}, year={2023}, pages={1–14} }","short":"F. Winkel, J. Deuse-Kleinsteuber, J. Böcker, IEEE Transactions on Reliability (2023) 1–14.","apa":"Winkel, F., Deuse-Kleinsteuber, J., &#38; Böcker, J. (2023). Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning. <i>IEEE Transactions on Reliability</i>, 1–14. <a href=\"https://doi.org/10.1109/tr.2023.3255786\">https://doi.org/10.1109/tr.2023.3255786</a>","ama":"Winkel F, Deuse-Kleinsteuber J, Böcker J. Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning. <i>IEEE Transactions on Reliability</i>. Published online 2023:1-14. doi:<a href=\"https://doi.org/10.1109/tr.2023.3255786\">10.1109/tr.2023.3255786</a>","chicago":"Winkel, Fabian, Johannes Deuse-Kleinsteuber, and Joachim Böcker. “Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning.” <i>IEEE Transactions on Reliability</i>, 2023, 1–14. <a href=\"https://doi.org/10.1109/tr.2023.3255786\">https://doi.org/10.1109/tr.2023.3255786</a>.","ieee":"F. Winkel, J. Deuse-Kleinsteuber, and J. Böcker, “Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning,” <i>IEEE Transactions on Reliability</i>, pp. 1–14, 2023, doi: <a href=\"https://doi.org/10.1109/tr.2023.3255786\">10.1109/tr.2023.3255786</a>."},"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","date_updated":"2023-10-14T12:16:48Z","date_created":"2023-10-14T12:01:41Z","author":[{"first_name":"Fabian","full_name":"Winkel, Fabian","last_name":"Winkel"},{"first_name":"Johannes","full_name":"Deuse-Kleinsteuber, Johannes","last_name":"Deuse-Kleinsteuber"},{"first_name":"Joachim","last_name":"Böcker","orcid":"0000-0002-8480-7295","id":"66","full_name":"Böcker, Joachim"}],"title":"Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning","doi":"10.1109/tr.2023.3255786","publication":"IEEE Transactions on Reliability","type":"journal_article","status":"public","_id":"48058","department":[{"_id":"52"}],"user_id":"66","keyword":["Electrical and Electronic Engineering","Safety","Risk","Reliability and Quality"],"language":[{"iso":"eng"}]},{"date_updated":"2023-10-20T10:01:02Z","publisher":"IEEE","date_created":"2023-10-20T07:13:32Z","author":[{"id":"34289","full_name":"Unruh, Roland","last_name":"Unruh","first_name":"Roland"},{"last_name":"Böcker","orcid":"0000-0002-8480-7295","id":"66","full_name":"Böcker, Joachim","first_name":"Joachim"},{"id":"71291","full_name":"Schafmeister, Frank","last_name":"Schafmeister","first_name":"Frank"}],"title":"An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors","main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/10264313"}],"conference":{"location":"Aalborg, Denmark","end_date":"2023-09-08","start_date":"2023-09-04","name":"2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)"},"doi":"10.23919/epe23ecceeurope58414.2023.10264313","publication_status":"published","quality_controlled":"1","publication_identifier":{"isbn":["979-8-3503-1678-0"]},"year":"2023","citation":{"ieee":"R. Unruh, J. Böcker, and F. Schafmeister, “An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors,” presented at the 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), Aalborg, Denmark, 2023, doi: <a href=\"https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313\">10.23919/epe23ecceeurope58414.2023.10264313</a>.","chicago":"Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for All Power Factors.” In <i>2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)</i>. IEEE, 2023. <a href=\"https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313\">https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313</a>.","ama":"Unruh R, Böcker J, Schafmeister F. An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors. In: <i>2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313\">10.23919/epe23ecceeurope58414.2023.10264313</a>","mla":"Unruh, Roland, et al. “An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for All Power Factors.” <i>2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313\">10.23919/epe23ecceeurope58414.2023.10264313</a>.","bibtex":"@inproceedings{Unruh_Böcker_Schafmeister_2023, title={An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors}, DOI={<a href=\"https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313\">10.23919/epe23ecceeurope58414.2023.10264313</a>}, booktitle={2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)}, publisher={IEEE}, author={Unruh, Roland and Böcker, Joachim and Schafmeister, Frank}, year={2023} }","short":"R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.","apa":"Unruh, R., Böcker, J., &#38; Schafmeister, F. (2023). An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors. <i>2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe)</i>. 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), Aalborg, Denmark. <a href=\"https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313\">https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313</a>"},"_id":"48352","user_id":"34289","department":[{"_id":"52"}],"keyword":["Cascaded H-Bridge","Solid-State Transformer","Capacitor voltage ripple","Zero sequence voltage","Third harmonic injection"],"language":[{"iso":"eng"}],"type":"conference","publication":"2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)","abstract":[{"text":"Star-connected cascaded H-bridge Converters require large DC-link capacitors to buffer the second-order harmonic voltage ripple. First, it is analytically proven that the DC-link voltage ripple is proportional to the apparent converter power and does not depend on the power factor for nominal operation with sinusoidal reference arm voltages and currents. A third-harmonic zero-sequence voltage injection with an optimal amplitude and phase angle transforms the 2nd harmonic to a 4th harmonic DC-link voltage ripple. This reduces the voltage ripple by exactly 50% for all power factors at steady-state at balanced conditions. However, this requires 54% additional modules for unity power factor operation and even 100% for pure reactive power operation to account for the increased reference arm voltages due to the large amplitude of the optimal third-harmonic injection. If not enough modules are available, an adaptive discontinuous PWM is utilized to still minimize the voltage ripple for the given number of modules and power factor. With a very limited number of modules (modulation index is 1.15), the proposed method still reduces the DC-link voltage ripple by 24.4% for unity power factor operation. It requires the same number of modules as the commonly utilized 3rd harmonic injection with 1/6 of the grid voltage amplitude and achieves superior results. Simulations of a 10 kV/1 MVA system confirm the analysis.","lang":"eng"}],"status":"public"},{"date_created":"2023-10-16T12:29:32Z","author":[{"first_name":"Mario","orcid":"0000-0001-5381-3660","last_name":"Pena","full_name":"Pena, Mario","id":"82862"},{"last_name":"Meyer","full_name":"Meyer, Michael","first_name":"Michael"},{"first_name":"Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid","full_name":"Wallscheid, Oliver","id":"11291"},{"id":"66","full_name":"Böcker, Joachim","last_name":"Böcker","orcid":"0000-0002-8480-7295","first_name":"Joachim"}],"publisher":"IEEE","date_updated":"2023-10-20T11:28:44Z","doi":"10.1109/iemdc55163.2023.10239056","conference":{"start_date":"2023-05-15","name":"2023 IEEE International Electric Machines and Drives Conference (IEMDC)","location":"San Francisco","end_date":"2023-05-18"},"title":"Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control","publication_status":"published","citation":{"bibtex":"@inproceedings{Pena_Meyer_Wallscheid_Böcker_2023, title={Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control}, DOI={<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239056\">10.1109/iemdc55163.2023.10239056</a>}, booktitle={2023 IEEE International Electric Machines and Drives Conference (IEMDC)}, publisher={IEEE}, author={Pena, Mario and Meyer, Michael and Wallscheid, Oliver and Böcker, Joachim}, year={2023} }","short":"M. Pena, M. Meyer, O. Wallscheid, J. Böcker, in: 2023 IEEE International Electric Machines and Drives Conference (IEMDC), IEEE, 2023.","mla":"Pena, Mario, et al. “Fade-Over Strategy for Use of Model Predictive Direct Self-Control with Field-Oriented Control.” <i>2023 IEEE International Electric Machines and Drives Conference (IEMDC)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239056\">10.1109/iemdc55163.2023.10239056</a>.","apa":"Pena, M., Meyer, M., Wallscheid, O., &#38; Böcker, J. (2023). Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control. <i>2023 IEEE International Electric Machines and Drives Conference (IEMDC)</i>. 2023 IEEE International Electric Machines and Drives Conference (IEMDC), San Francisco. <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239056\">https://doi.org/10.1109/iemdc55163.2023.10239056</a>","ama":"Pena M, Meyer M, Wallscheid O, Böcker J. Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control. In: <i>2023 IEEE International Electric Machines and Drives Conference (IEMDC)</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239056\">10.1109/iemdc55163.2023.10239056</a>","ieee":"M. Pena, M. Meyer, O. Wallscheid, and J. Böcker, “Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control,” presented at the 2023 IEEE International Electric Machines and Drives Conference (IEMDC), San Francisco, 2023, doi: <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239056\">10.1109/iemdc55163.2023.10239056</a>.","chicago":"Pena, Mario, Michael Meyer, Oliver Wallscheid, and Joachim Böcker. “Fade-Over Strategy for Use of Model Predictive Direct Self-Control with Field-Oriented Control.” In <i>2023 IEEE International Electric Machines and Drives Conference (IEMDC)</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239056\">https://doi.org/10.1109/iemdc55163.2023.10239056</a>."},"year":"2023","user_id":"66","department":[{"_id":"52"}],"_id":"48093","language":[{"iso":"eng"}],"type":"conference","publication":"2023 IEEE International Electric Machines and Drives Conference (IEMDC)","status":"public"},{"year":"2023","page":"12416-12429","intvolume":"        38","citation":{"short":"M. Pena, M. Meyer, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics 38 (2023) 12416–12429.","bibtex":"@article{Pena_Meyer_Wallscheid_Böcker_2023, title={Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines}, volume={38}, DOI={<a href=\"https://doi.org/10.1109/tpel.2023.3286713\">10.1109/tpel.2023.3286713</a>}, number={10}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Pena, Mario and Meyer, Michael and Wallscheid, Oliver and Böcker, Joachim}, year={2023}, pages={12416–12429} }","mla":"Pena, Mario, et al. “Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines.” <i>IEEE Transactions on Power Electronics</i>, vol. 38, no. 10, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 12416–29, doi:<a href=\"https://doi.org/10.1109/tpel.2023.3286713\">10.1109/tpel.2023.3286713</a>.","apa":"Pena, M., Meyer, M., Wallscheid, O., &#38; Böcker, J. (2023). Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines. <i>IEEE Transactions on Power Electronics</i>, <i>38</i>(10), 12416–12429. <a href=\"https://doi.org/10.1109/tpel.2023.3286713\">https://doi.org/10.1109/tpel.2023.3286713</a>","chicago":"Pena, Mario, Michael Meyer, Oliver Wallscheid, and Joachim Böcker. “Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines.” <i>IEEE Transactions on Power Electronics</i> 38, no. 10 (2023): 12416–29. <a href=\"https://doi.org/10.1109/tpel.2023.3286713\">https://doi.org/10.1109/tpel.2023.3286713</a>.","ieee":"M. Pena, M. Meyer, O. Wallscheid, and J. Böcker, “Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines,” <i>IEEE Transactions on Power Electronics</i>, vol. 38, no. 10, pp. 12416–12429, 2023, doi: <a href=\"https://doi.org/10.1109/tpel.2023.3286713\">10.1109/tpel.2023.3286713</a>.","ama":"Pena M, Meyer M, Wallscheid O, Böcker J. Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines. <i>IEEE Transactions on Power Electronics</i>. 2023;38(10):12416-12429. doi:<a href=\"https://doi.org/10.1109/tpel.2023.3286713\">10.1109/tpel.2023.3286713</a>"},"publication_identifier":{"issn":["0885-8993","1941-0107"]},"publication_status":"published","issue":"10","title":"Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines","doi":"10.1109/tpel.2023.3286713","date_updated":"2023-10-18T10:39:07Z","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","volume":38,"author":[{"first_name":"Mario","orcid":"0000-0001-5381-3660","last_name":"Pena","full_name":"Pena, Mario","id":"82862"},{"first_name":"Michael","full_name":"Meyer, Michael","last_name":"Meyer"},{"id":"11291","full_name":"Wallscheid, Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid","first_name":"Oliver"},{"first_name":"Joachim","id":"66","full_name":"Böcker, Joachim","last_name":"Böcker","orcid":"0000-0002-8480-7295"}],"date_created":"2023-10-16T12:29:20Z","status":"public","publication":"IEEE Transactions on Power Electronics","type":"journal_article","keyword":["Electrical and Electronic Engineering"],"language":[{"iso":"eng"}],"_id":"48092","department":[{"_id":"52"}],"user_id":"82862"},{"citation":{"mla":"Gedlu, Emebet Gebeyehu, et al. “Online System Identification and Excitation for Thermal Monitoring of Electric Machines Using Machine Learning and Model Predictive Control.” <i>2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/sdemped54949.2023.10271427\">10.1109/sdemped54949.2023.10271427</a>.","short":"E.G. Gedlu, O. Wallscheid, J. Böcker, O. Nelles, in: 2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED), IEEE, 2023.","bibtex":"@inproceedings{Gedlu_Wallscheid_Böcker_Nelles_2023, title={Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control}, DOI={<a href=\"https://doi.org/10.1109/sdemped54949.2023.10271427\">10.1109/sdemped54949.2023.10271427</a>}, booktitle={2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)}, publisher={IEEE}, author={Gedlu, Emebet Gebeyehu and Wallscheid, Oliver and Böcker, Joachim and Nelles, Oliver}, year={2023} }","apa":"Gedlu, E. G., Wallscheid, O., Böcker, J., &#38; Nelles, O. (2023). Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control. <i>2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)</i>. <a href=\"https://doi.org/10.1109/sdemped54949.2023.10271427\">https://doi.org/10.1109/sdemped54949.2023.10271427</a>","ieee":"E. G. Gedlu, O. Wallscheid, J. Böcker, and O. Nelles, “Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control,” 2023, doi: <a href=\"https://doi.org/10.1109/sdemped54949.2023.10271427\">10.1109/sdemped54949.2023.10271427</a>.","chicago":"Gedlu, Emebet Gebeyehu, Oliver Wallscheid, Joachim Böcker, and Oliver Nelles. “Online System Identification and Excitation for Thermal Monitoring of Electric Machines Using Machine Learning and Model Predictive Control.” In <i>2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/sdemped54949.2023.10271427\">https://doi.org/10.1109/sdemped54949.2023.10271427</a>.","ama":"Gedlu EG, Wallscheid O, Böcker J, Nelles O. Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control. In: <i>2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED)</i>. 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Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme. <i>Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)</i>.  IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 22), Nuremberg, Germany.","bibtex":"@inproceedings{Keuck_Schafmeister_Böcker, place={Nuremberg, Germany}, title={Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme}, booktitle={Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)}, publisher={IEEE}, author={Keuck, Lukas and Schafmeister, Frank and Böcker, Joachim} }","short":"L. Keuck, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, n.d.","mla":"Keuck, Lukas, et al. “Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme.” <i>Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)</i>, IEEE."},"place":"Nuremberg, Germany","year":"2022","publication_status":"inpress","language":[{"iso":"eng"}],"user_id":"71291","department":[{"_id":"52"}],"_id":"30350","status":"public","type":"conference","publication":"Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM)"},{"date_updated":"2022-12-18T16:00:30Z","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","author":[{"first_name":"Anian","last_name":"Brosch","orcid":"0000-0003-4871-1664","id":"75779","full_name":"Brosch, Anian"},{"first_name":"Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid","id":"11291","full_name":"Wallscheid, Oliver"},{"first_name":"Joachim","last_name":"Böcker","orcid":"0000-0002-8480-7295","id":"66","full_name":"Böcker, Joachim"}],"date_created":"2022-12-18T15:59:44Z","title":"Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range","doi":"10.1109/tpel.2022.3229619","publication_status":"published","year":"2022","citation":{"mla":"Brosch, Anian, et al. “Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range.” <i>IEEE Transactions on Power Electronics</i>, Institute of Electrical and Electronics Engineers (IEEE), 2022, doi:<a href=\"https://doi.org/10.1109/tpel.2022.3229619\">10.1109/tpel.2022.3229619</a>.","short":"A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2022).","bibtex":"@article{Brosch_Wallscheid_Böcker_2022, title={Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range}, DOI={<a href=\"https://doi.org/10.1109/tpel.2022.3229619\">10.1109/tpel.2022.3229619</a>}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Brosch, Anian and Wallscheid, Oliver and Böcker, Joachim}, year={2022} }","apa":"Brosch, A., Wallscheid, O., &#38; Böcker, J. (2022). Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range. <i>IEEE Transactions on Power Electronics</i>. <a href=\"https://doi.org/10.1109/tpel.2022.3229619\">https://doi.org/10.1109/tpel.2022.3229619</a>","ama":"Brosch A, Wallscheid O, Böcker J. Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range. <i>IEEE Transactions on Power Electronics</i>. Published online 2022. doi:<a href=\"https://doi.org/10.1109/tpel.2022.3229619\">10.1109/tpel.2022.3229619</a>","ieee":"A. Brosch, O. Wallscheid, and J. Böcker, “Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range,” <i>IEEE Transactions on Power Electronics</i>, 2022, doi: <a href=\"https://doi.org/10.1109/tpel.2022.3229619\">10.1109/tpel.2022.3229619</a>.","chicago":"Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range.” <i>IEEE Transactions on Power Electronics</i>, 2022. <a href=\"https://doi.org/10.1109/tpel.2022.3229619\">https://doi.org/10.1109/tpel.2022.3229619</a>."},"_id":"34533","department":[{"_id":"52"}],"user_id":"75779","keyword":["Electrical and Electronic Engineering"],"language":[{"iso":"eng"}],"publication":"IEEE Transactions on Power Electronics","type":"journal_article","status":"public"}]