Research Objective
To compare conventional DAB, series resonant, parallel resonant, LLC and CLLC SiC-based dual-active-bridge converter topologies for 48 V to 380 V, 1 kW isolated DC conversion.
System Architecture
The model can include a 48 V input source, SiC full-bridge switching stages, high-frequency transformer, resonant tank alternatives, output rectification, 380 V DC link, voltage/current sensors and comparative control loops.
Simulation Methodology
Each topology is simulated under matched power, switching frequency and load conditions. The study compares efficiency trend, voltage ripple, transformer current stress, soft-switching region, transient response and regulation quality.
Validation Scenarios
- base-case model setup and parameter verification
- main design or control case under rated operating conditions
- parametric change to prove robustness and sensitivity
- comparison with baseline or conventional method
- result discussion for thesis, paper and project-report writing
Expected Graphs and Result Discussion
A complete result section should include the main waveforms, model outputs, field plots or comparison tables needed for engineering thesis documentation. For this project, the important graph set includes:
- input/output voltage response
- DAB transformer current and switching waveform
- efficiency comparison for each topology
- DC-link voltage ripple and load-step response
- THD/current stress comparison table
Thesis and Research Extension Ideas
The topic can be extended for journal-style novelty by adding optimization, robustness studies, comparative analysis, hardware-aware constraints or application-specific validation.
- wide-bandgap loss modelling
- thermal comparison between Si and SiC devices
- optimization of resonant tank values
- closed-loop digital control for EV charger and DC microgrid use
Support for Global Scholars
PhD Research Labs supports ethical research-oriented implementation, explanation, graph interpretation and thesis writing structure for engineering scholars across Australia, United Kingdom, Canada, UAE and other regions.