@inproceedingsUnruh_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=10.23919/epe23ecceeurope58414.2023.10264313, 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 
LibreCat: /record/48352
DOI: 10.23919/epe23ecceeurope58414.2023.10264313

@inproceedingsUnruh_Schafmeister_Böcker_2022, title=Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%, booktitle=24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), publisher=IEEE, author=Unruh, Roland and Schafmeister, Frank and Böcker, Joachim, year=2022 
LibreCat: /record/34176

@inproceedingsUnruh_Lange_Schafmeister_Böcker_2021, title=Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions, DOI=https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542, booktitle=23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), publisher=IEEE, author=Unruh, Roland and Lange, Jarren and Schafmeister, Frank and Böcker, Joachim, year=2021 
LibreCat: /record/29938
DOI: https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542

@inproceedingsUnruh_Schafmeister_Fröhleke_Böcker_2020, title=1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications, booktitle=PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, publisher=VDE, author=Unruh, Roland and Schafmeister, Frank and Fröhleke, Norbert and Böcker, Joachim, year=2020 
LibreCat: /record/29940