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This paper presents a board-level integrated silicon carbide (SiC) mosfet power module for high temperature and high power density application. Specifically, a silicon-on-insulator (SOI)-based gate driver capable of operating at 200 °C ambient temperature is designed and fabricated. The sourcing and sinking current capability of the gate driver are tested under various ambient temperatures. Also,...
This paper presents a board-level integrated silicon carbide (SiC) MOSFET power module for high temperature and high power density applications. Specifically, a silicon-on-insulator (SOI) based gate driver capable of operating at 200 °C ambient temperature is designed and fabricated. The sourcing and sinking current capability of the gate driver are tested under various ambient temperatures. Also,...
Current unbalance in paralleled power electronic devices can affect the performance and reliability of them. In this paper, the factors causing current unbalance in parallel connected silicon carbide (SiC) MOSFETs are analyzed, and the threshold mismatch is identified as the major factor. Then the distribution and temperature dependence of SiC MOSFETs' threshold voltage are studied experimentally...
A new pesticide residues detection instrument based on enzyme inhibition method is developed. The amount of pesticide residues is determined by measuring the light absorbency of the sample liquid after inhibition reaction. The influence of temperature on the activity of enzyme and the inhibition rate of enzyme is analyzed. A new method of temperature calibration based on RBFNN (Radial Basis Function...
The disposal of WEEE (waste electrical and electronic equipment) or ??electronic waste?? is an important issue in the whole world. Its gasification and melting characteristics were studied here. The experiments proved that over 50% of WEEE would be decomposed through gasification or pyrolysis and its total heat value could amount to more than 20000 MJ/Kg. After gasification stage, the abundant metals,...
Low NOx reburning combustion is suitable for energy structure dominated by coal in our country, since it is a cost-effective NOx control technology. Temperature condition is one of the important influential factors of NOx conversion in reburning zone. The influence characteristics were studied on gas reactor system. Biomass gasification gas was chosen as reburning fuel, and the simulated flue was...
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