全碳化硅风电变流器.pdf

1、深圳市禾望电气股份有限公司全碳化硅风电变流器WIND POWER CONVERTER WITH ALL SICContentsSiC行业现状与趋势SiC Industry Status&TrendsSiC特性及应用优势SiC Characteristics&Application Advantages全SiC风电变流器产品介绍All-SiC Wind Power Converter Product Introduction全SiC风电变流器的设计All-SiC Wind Power Converter DesignSiC行业现状与趋势SiC Industry Status&Trends01Co

2、nfidential Documents功率半导体器件的发展历程Development History of Power Semiconductor DevicesSource:WolfspeedConfidential Documents下一代功率半导体器件Next Generation Power Devices 项目Items4H-SiCSiGaN带隙能量Band Energy gap(eV）3.261.123.5击穿场强Breakdown Electric Field(MV/cm）2.80.33热导率Thermal Conductivity(W/(cmK)）4.91.51.3饱和电子漂

3、移速度Saturated Electron Drift Velocity(10 cm/s）2.71.02.7SiC禁带宽度是Si的3倍、击穿电场是Si的10倍、热导率是Si的3倍，因此成为下一代功率器件的理想材料。SiC has a 3 times wider Band gap,10 times higher breakdown electric field and 3 times higher thermal conductivity compared to silicon,with other features,thus has emerged as an ideal material f

4、or next generation power devices.Confidential DocumentsSiC晶圆的发展SiC Wafer Development6英寸(150mm)是当前主流规格，但更多厂商正投入8英寸(200mm)和12英寸(300mm)晶圆。6”(150mm)is the current mainstream platform.But mores player are engaging in 8”(200mm）and 12”(300mm）wafer.Source:YOLE groupConfidential DocumentsSiC芯片成本预测SiC Die Cos

5、t Forecast预计在2030年，使用8英寸SiC晶圆的芯片价格与8英寸Si晶圆价格持平。SiC 200mm reaches cost parity with Si-IGBT 200mm before 2030.Source:Applied MaterialsConfidential DocumentsSiC器件应用领域SiC Application FieldSiC在中高压和中高频应用中表现优越。SiC is superior in medium/high voltage and medium/high frequency applications.Source:Infineon Tec

6、hnologies AGConfidential DocumentsSiC器件应用领域SiC Application FieldSiC在新能源汽车中批量应用。SiC MOSFET is being mass-applied in EV/HEV.Source:Yolo GroupConfidential DocumentsSiC器件应用领域SiC Application Field高压SiC在轨道交通领域的应用。High-voltage SiC MOSFET is applied in rail field.Source:Yolo GroupConfidential DocumentsSiC器件