P1-【李泽元】Design Challenges of SiC Based High-Power,  High-Frequency CLLC Resonant Converter with Wide Gain Range pptx..pdf

1、CPES Proprietary1Design Challenges of Resonant Converters “with High-Power and Wide-Gain Range”byFred LeeContributors:Chunyang Zhao,Zheqing Li,Qiang Li 作者授权中国电源学会发布，未经作者同意禁止转载CPES Proprietary2Opportunity of Gen III Power Semiconductor Devices051015202530050100150200250Energy()or()IGBT SiC IGBT SiCHa

2、rd switchingIGBT:1020kHzSiC:3040kHzSiC:23X less 051015202530050100150200250 or()IGBT SiCSiC:1020X less Under ZVS turn-onSiC:100300kHzEnergy()作者授权中国电源学会发布，未经作者同意禁止转载CPES Proprietary3“Hard Switching”vs“Soft Switching”(in the 80s)Phase Shift PWMResonant ConverterFeaturesFeatures1.Fix frequency(PWM)2.Pr

3、imary side ZVS heavy load high current turn ff Secondary side hard switching3.Suitable for wide“gain range”1.Variable frequency(FM)2.Primary side ZVS (all loads)low current turn off Secondary side ZCS/ZVS3.Not effective for“wide gain range”作者授权中国电源学会发布，未经作者同意禁止转载CPES Proprietary4ConsumerApplications

4、 of LLC in IT Industries(1990-)Data centersWireless NetworksOff-line power supplyPFC ConverterDC/DC ConverterResonant LLCTelecomCh1:Introduction400V“with narrow gain range”48V/12V作者授权中国电源学会发布，未经作者同意禁止转载CPES Proprietary56-9 KW CLLC Converter*T116:2T2T3T4T5T650 VDC400 VDC*R.Gadelrab and F.C.Lee,PCB-Ba

5、sed Magnetic Integration and Design Optimization for Three-Phase LLC,in IEEE Transactions on Power Electronics,vol.38,no.11,pp.14037-14049,Nov.2023.Thickness=9 mmPower Density:1300 W/in3Peak Efficiency:99%Integrated Magnetics6-Layer PCB3-Phase Transformer(6-9 KW)作者授权中国电源学会发布，未经作者同意禁止转载CPES Proprieta

6、ry6with High Power Wide Gain RangePV EV ChargerEnergy StorageRailwayRectifier/InverterIsolated DC/DC=3 AC380V2:1 RangeOther Emerging ApplicationsFeatures:high power,wide gain range,bi-directional作者授权中国电源学会发布，未经作者同意禁止转载CPES Proprietary7Example:High Power EV Charger15kW/22kW 800V EV battery*TaycanAire