Single-stage DC-DC converters for a wide input & output voltage range / Author: Philipp Ernst Rehlaender, Doctoral supervisor: Prof. Dr.-Ing. Joachim Böcker, Second examiner: Prof. Dr.-Ing. Regine Mallwitz. Paderborn, 2024
Content
- Abstract
- Zusammenfassung
- Acknowledgements
- Author's Contributions
- Introduction
- Topology Analysis
- LLC Converter
- Operating modes
- On-the-fly topology morphing
- Improved morphing using double-asymmetrical voltage pulses
- LLC analysis operating in half- and full-bridge mode
- Interleaving of LLC converters
- Secondary-Side Resonant Inductance Integration
- Active-Clamp Forward Converter
- Operating principle and modeling for CCM operation
- Operating principle and modeling for DCM operation
- Model extension for the extended-interleaved ACFC
- Zero-voltage switching analysis
- An active snubber for limitation of the rectifier over voltages
- Definition of characteristic design operation points
- Full-Bridge Converter
- Operating modes
- Hard-switched operation model including the magnetizing current and series inductance
- Hard-switched topology morphing
- Characteristic operating points of the phase-shifted full bridge
- Characteristic operating points of the isolated full-bridge converter
- On the Analysis Efficacy for 800V Systems
- Topology Comparison
- State of the Art in Topology Comparison Methodologies
- A Design-Based Operating-Frequency Independent Topology Comparison
- Topology Comparison and Preselection
- LLC resonant converter
- Active-clamp converter
- Phase-shifted full bridge
- Hard-switched full bridge
- Direct comparison
- Experimental Evaluation
- Overview of the developed prototypes
- Cooling concept of the SMD power Mosfet
- Stationary performance of the prototypes
- Conclusion
- Conclusion and Outlook
- Bibliography
- List of Configuration Parameters
- List of Abbreviations
- List of Symbols
- Curriculum Vitae