Unruh, R., Böcker, J., &; 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. 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe). 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), Aalborg, Denmark.https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313 

Unruh, R., Schafmeister, F., &; Böcker, J. (2022). Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%. 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe). 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), Hanover, Germany.

Unruh, R., Lange, J., Schafmeister, F., &; Böcker, J. (2021). Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions. 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), Ghent, Belgium.https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542 

Unruh, R., Schafmeister, F., Fröhleke, N., &; Böcker, J. (2020). 1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications. PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. PCIM Europe digital days 2020, Germany.