A5073311441- Silicon Carbide Semiconductor Technologies
- Electromagnetic Compatibility and Noise Suppression
- HVDC Systems and Fault Protection
- Semiconductor materials and devices
- Asthma and respiratory diseases
- Induction Heating and Inverter Technology
- Advancements in Semiconductor Devices and Circuit Design
- Real-time simulation and control systems
- Electric Motor Design and Analysis
- Traditional Chinese Medicine Analysis
- Essential Oils and Antimicrobial Activity
- Metabolomics and Mass Spectrometry Studies
- Pesticide Residue Analysis and Safety
- Multilevel Inverters and Converters
- Structural Health Monitoring Techniques
- Stress Responses and Cortisol
- Gear and Bearing Dynamics Analysis
- Herbal Medicine Research Studies
- Analytical chemistry methods development
- Ferroptosis and cancer prognosis
- Phytochemistry and Biological Activities
- Wind Turbine Control Systems
- Cancer-related molecular mechanisms research
- Solid State Laser Technologies
- Olfactory and Sensory Function Studies
Nanyang Medical College
2023-2024
Zhengzhou University
2023
Chongqing University of Technology
2019-2022
Chongqing University
2015-2017
Thermal coupling between adjacent insulated gate bipolar transistor (IGBT) or diode chips is the result of nonuniform temperature distribution in a multichip IGBT module. This affects junction temperatures and hence total power loss predicted for The study first investigates impact thermal effect on through finite element method, then develops impedance model to represent such effects. shown reduce with distance exponentially. agrees well test. validated used predict swings during...
This paper presents an improved thermal network model of insulated-gate bipolar transistor (IGBT) module, which considers the effects base-plate solder fatigue on junction temperature said module used in wind power converters. First, coupling structure 3-D finite-element IGBT is established based and material parameters converters a doubly fed induction generator. The investigated at different desquamating degrees solder. Second, resistance are determined degrees, that established. Finally,...
The transient overvoltage and oscillation phenomena, which are caused by its high switching speed in a solid-state dc circuit breaker based on the silicon carbide (SiC) metal-oxide- semiconductor field-effect transistor (MOSFET), crucial problem. This paper presents simple reliable method to manage such An equivalent model for SiC MOSFET is primarily established. influence of stray inductance energy absorption loop turn-off characteristics then analyzed. Subsequently, possible typical...
α-Terpineol and Hp-β-CD were prepared for Ter-Hp-β-CD inclusion complex nebulized inhalation treatment in asthmatic mice. Biochemical indices differential metabolite assays mice showed that is a potential drug to prevent asthma by reprogramming arachidonic acid metabolism.
A change regulation of variation in drain current (dID/dt) silicon carbide (SiC) metal–oxide–semiconductor field-effect transistors (MOSFETs) and their temperature dependencies are examined. Experimental results show that the magnitude turn-off dID/dt decreases with turn-on increases increasing temperature. Further analysis shows is better than terms dependency exhibits good linearity. This behaviour from positive coefficient intrinsic carrier concentration negative effective mobility...
Abstract The environmental pollutant bisphenol A (BPA), used in the manufacture of plastic packaging materials for various diets, is widely distributed environment and causes severe hepatotoxicity by inducing oxidative stress. Artemisia argyi essential oil (AAEO), a volatile component isolated from H.Lév . & Vaniot , has pharmacological effects, especially hepatoprotective actions. However, potential effect AAEO BPA induced not been characterized. First, we analyzed chemical composition...
With the development of large capacity variable speed constant frequency wind turbines, power converters with multi-chip paralleled insulated gate bipolar transistor (IGBT) modules are widely used as an energy flow interface, a valid junction temperature calculation is vital considering multichip electro-thermal influences, because thermal analysis great significance in terms safe operation and reliability for converter. Focusing on coupling effects, this paper proposes improved couple...
Artemisia argyi Lévl. et Vant, commonly utilized in traditional medicine, food, and therapeutic practices such as moxibustion fumigation, yields an essential oil with significant value. Understanding the chemical composition of (AAEO) is crucial for optimizing its production application. This study aims to provide a detailed characterization constituents AAEO, thereby enhancing our understanding potential uses efficacy. The employed gas chromatography Orbitrap high-resolution mass...
Due to our limited knowledge about silicon carbide metal–oxide–semiconductor field-effect transistors (SiC MOSFETs), the theoretical analysis and change regularity in terms of effects temperature on their switching characteristics have not been fully characterized understood. An variation voltage (dVDS/dt) for SiC MOSFET during turn-on turn-off has performed theoretically experimentally this paper. Turn-off is a strong function temperature, whereas monotonic relationship with temperature....
An analysis of variation drain current (dI <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">D</sub> /dt) silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors (MOSFETs) in turn-on and turn-off under different temperatures has been performed this paper. It is shown that the magnitude dI /dt temperature dependent decreases with a fixed supply voltage, load gate resistance. While, increases increasing temperature. demonstrated...
Silicon carbide (SiC) metal-oxide-semiconductor field-effect transistors (MOSFETs) have the advantages of high-frequency switching capability and to withstand high temperatures, which are suitable for devices in a direct current (DC) solid state circuit breaker (SSCB). To guarantee fast reliable action 400 V DC SSCB with SiC MOSFET, design prototype development were carried out. Taking 400V microgrid as research background, firstly, topology MOSFET was introduced. Then, drive fault detection...
This study presents an improved thermal network model of the IGBT module that considers effects base plate solder fatigue on junction temperature said used in wind power converters. First, coupling structure 3D finite element is established based and material parameters converters a doubly fed induction generator. The also investigated at different desquamating degrees solder. Second, resistance are determined degrees, established. Finally, two results calculation compared stages through...
Artemisia argyi essential oil (AAEO), extracted from Lévl. et Vant, has been widely used in medicine, food, bathing, moxibustion, and fumigation. The identification of chemical composition AAEO can provide useful information for its production use. In this work, the comprehensive characterization compounds was revealed by gas chromatography orbitrap high-resolution mass spectrometry (GC-Orbitrap-HRMS). sample diluted with n-hexane then directly analyzed GC-Orbitrap-HRMS. A total 126...