Shumeng Wang

GaN-Based Hot-Swappable Multi-Active-Bridge (MAB) Converter

Master thesis project @ TU Delft.
The research aims to design a multi-port DC-DC converter via a single multi-winding transformer, by which multiple sources, storages, and loads in a DC microgrid systems can be interconnected and hot-swapped.
The thesis can be found at this link.

GaN HEMT based switching bridge guarantees low semiconductor losses and high power density.

A planar transformer with PCB winding minimizes leakage inductance.

Master-slave configuration facilitates decoupled power flow.

Modular ports with different power ratings and voltage ratings are hot-swappable from the live MAB converter.

Adaptive decentralized control independently controls power flow.

Modular Power Supply

2021.9 - 2021.11

Research Intern @ ABB. 1.5kW inverter modules with high scalability and high overload capability.

200kW Three-Phase Inverter

2021.4 - 2021.6

A 200kW grid-tie three-phase half-bridge inverter with high stability margins in control system, and efficiency higher than 99% and a THD of 3.5%.

Coil Design for Inductive Power Transfer

2020.10 - 2020.11

A 40W and 20mm vertical distance coupling coil with 95% efficiency. The description poster can be found here.

Voltage-Controlled Filter

2020.2 - 2020.6

Bachelor thesis project @ KU Leuven. The modular peak filters whose central frequency and amplification are voltage-controlled can be used in audio processing. Typical application: music equalizer. The video description can be found through this link.

Server Programming

2019.9 - 2020.1

Temperature sensor data management server based on Linux environment. Server main process is required to fetch sensor data from TCP data stream and store them in file and database, while auxiliary process keeps log.

Personalized Map with Navigation

2019.4 - 2019.6

Normal map will choose the shortest or fastest path from A to B, but this Java-based Android app provides you with a personalized detour solution based on your personality.

Eletronic Piano with LED Matrix Display

2019.2 - 2019.6

An educational electronic piano with 8 keys (1 octave) that is capable of producing chords. The LED matrix display cues the notes three syllables ahead and gives feedback on the keys players pressed. The detailed manual can be found here.