10 Publications

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[10]
2024 | Conference Paper | LibreCat-ID: 54356
Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter
R. Unruh, J. Böcker, F. Schafmeister, in: ECCE Europe 2024; IEEE Energy Conversion Congress & Exposition Europe, IEEE, Darmstadt, n.d.
LibreCat | DOI | Download (ext.)
 
[9]
2023 | Conference Paper | LibreCat-ID: 48352
An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors
R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.
LibreCat | DOI | Download (ext.)
 
[8]
2022 | Conference Paper | LibreCat-ID: 34176
Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%
R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.
LibreCat | Download (ext.)
 
[7]
2021 | Conference Paper | LibreCat-ID: 29938
Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions
R. Unruh, J. Lange, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 
[6]
2021 | Conference Paper | LibreCat-ID: 29893
Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances
P. Rehlaender, R. Unruh, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 
[5]
2021 | Conference Paper | LibreCat-ID: 29899
Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration
P. Rehlaender, R. Unruh, L. Hankeln, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 
[4]
2020 | Conference Paper | LibreCat-ID: 29939
Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design
R. Unruh, F. Schafmeister, J. Böcker, in: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe), IEEE, 2020.
LibreCat | DOI | Download (ext.)
 
[3]
2020 | Conference Paper | LibreCat-ID: 29940
1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2020.
LibreCat | Download (ext.)
 
[2]
2020 | Conference Paper | LibreCat-ID: 29880
11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC
R. Unruh, F. Schafmeister, J. Böcker, in: 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL), IEEE, 2020.
LibreCat | DOI | Download (ext.)
 
[1]
2019 | Conference Paper | LibreCat-ID: 29942
MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2019.
LibreCat | Download (ext.)
 

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10 Publications

Mark all

[10]
2024 | Conference Paper | LibreCat-ID: 54356
Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter
R. Unruh, J. Böcker, F. Schafmeister, in: ECCE Europe 2024; IEEE Energy Conversion Congress & Exposition Europe, IEEE, Darmstadt, n.d.
LibreCat | DOI | Download (ext.)
 
[9]
2023 | Conference Paper | LibreCat-ID: 48352
An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors
R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.
LibreCat | DOI | Download (ext.)
 
[8]
2022 | Conference Paper | LibreCat-ID: 34176
Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%
R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.
LibreCat | Download (ext.)
 
[7]
2021 | Conference Paper | LibreCat-ID: 29938
Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions
R. Unruh, J. Lange, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 
[6]
2021 | Conference Paper | LibreCat-ID: 29893
Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances
P. Rehlaender, R. Unruh, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 
[5]
2021 | Conference Paper | LibreCat-ID: 29899
Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration
P. Rehlaender, R. Unruh, L. Hankeln, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 
[4]
2020 | Conference Paper | LibreCat-ID: 29939
Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design
R. Unruh, F. Schafmeister, J. Böcker, in: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe), IEEE, 2020.
LibreCat | DOI | Download (ext.)
 
[3]
2020 | Conference Paper | LibreCat-ID: 29940
1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2020.
LibreCat | Download (ext.)
 
[2]
2020 | Conference Paper | LibreCat-ID: 29880
11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC
R. Unruh, F. Schafmeister, J. Böcker, in: 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL), IEEE, 2020.
LibreCat | DOI | Download (ext.)
 
[1]
2019 | Conference Paper | LibreCat-ID: 29942
MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, in: PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, VDE, 2019.
LibreCat | Download (ext.)
 

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