General Power Converter Startup

Design and build an innovative way of starting the NAVY's 250kW general converter. The final project design must provide the control and switching power for quad half-bridge inverter using both GaN and SiC MOSFET switching devices sourced from a standard US power socket.

Background
Convert one form of electric power to another efficiently and compactly for use in controlling the larger power converter project. The project will incorporate two converter designs:

Specifications
Power Converter Specifications:

* 3.3V Isolated (gate driver) * 6V, 100mA x 8 * 3.3V Isolated (gate driver) * 20V, 100mA x 8
 * Input: 120 Vac @60Hz
 * Microcontroller: 3.3 Isolated, 500mA
 * GaN System:
 * SiC System:
 * Size: ~200mm^3 (~8 in ^3)
 * Efficiency: over 90%

Steady State GaN MOSFET Thermal Testing
Observed and recorded device case temperature and Drain-Source current at constant Drain-Source and Gate-Source potential while the GaN MOSFET is operating at steady state(non-switching) while applying heat (increasing ambient temperature) to the system with a heat gun. (Vgs = 2.3 V, Vds = 6V)





Engineering Specifications

 * SiC MOSFETS and GaN MOSFETS
 * Microcontroller
 * Gate Driver
 * DC/DC Converter
 * AC/DC Power Supply
 * Quad Half-Bridge Inverter

Agendas
Agendas

Minutes
Minutes

Project Schedule
Schedule

Design Report
Design Report

Final Presentation
Presentation