Video Demonstration
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Project Overview
A three-stage solid-state transformer converting a 13.2 kV three-phase supply to a regulated 220 V output for isolated electric-vehicle charging.
The model is structured around three-stage conversion, high-frequency isolation, grid power quality and regulated EV charging. It is suitable for scholars who need a clear implementation path, measurable outputs and a page that connects the video demonstration with the underlying engineering method.
System Architecture and Main Components
- Medium-voltage active front end
- High-frequency isolated DC-DC stage
- High-frequency transformer
- Low-voltage rectifier and DC bus
- EV battery charging converter
- Voltage, current and power-factor controllers
MATLAB / Simulation Methodology
- Model the 13.2 kV grid interface and active rectifier.
- Regulate the high-voltage DC link with synchronized current control.
- Transfer power through a high-frequency isolated converter.
- Generate the regulated 220 V charging-side output.
- Apply EV battery and load variations and evaluate efficiency and power quality.
Control and Analysis Strategy
The central technical emphasis is three-stage conversion, high-frequency isolation, grid power quality and regulated EV charging. Measurements are converted into controller or analysis variables, limits are applied to maintain realistic operation, and disturbances are introduced to evaluate stability, tracking quality, efficiency and transient performance.
The implementation can be extended with parameter optimization, artificial-intelligence control, comparative algorithms, hardware-in-the-loop preparation or publication-style performance indices, depending on the research objective.
Expected Simulation Outputs
- Input voltage and current
- Grid power factor and harmonics
- High-voltage and low-voltage DC-link responses
- Transformer primary and secondary waveforms
- EV charging voltage, current and power
Video Summary and Simulation Transcript
The video begins with the complete Three-Phase Solid State Transformer (13.2 kV–220 V) for EV Charging - MATLAB Simulink model and identifies the principal subsystems: Medium-voltage active front end, High-frequency isolated DC-DC stage, High-frequency transformer, Low-voltage rectifier and DC bus.
It then explains the signal flow and demonstrates three-stage conversion, high-frequency isolation, grid power quality and regulated EV charging. Reference commands and operating conditions are applied so that the controller, converter or physical model can be observed during steady-state and transient operation.
The final scopes focus on input voltage and current, grid power factor and harmonics, high-voltage and low-voltage dc-link responses, transformer primary and secondary waveforms. These plots support result discussion, controller comparison, report preparation and further PhD or FYP development.
Research Applications and Possible Extensions
- Fast EV charging infrastructure
- Smart distribution transformers
- Galvanically isolated power conversion
- Medium-voltage power-electronics research
- Controller or algorithm comparison using identical operating scenarios
- Parameter sensitivity, optimization and publication-style result analysis
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Project Content Note
The page describes a representative project workflow. The exact model, parameters, controller and results may vary according to the selected research paper or university requirement.