先进数据中心交流_直流配电和转换电源架构.pdf

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1、Panel Moderator:Saket KarajgikarAdvanced Datacenter AC/DC Distribution and Conversion Power ArchitectureAdvanced Datacenter AC/DC Distribution and Conversion Power ArchitectureBrent McDonaldRuslan NagimovMicrosoftTexas InstrumentNiannian CaiGoogleKrishnanjan Gubba RavikumarGoogleEhsan NasrMicrosoftJ

2、ing WangGoogleBrent McDonaldAdvanced Datacenter AC/DC Distribution and Conversion Power ArchitectureLong Term(BBU)&Short Term(CBU)StorageBattery Monitors&Balancers100V GaNUCD3138x ControllersHigh Voltage DC Architecture EnablersHVDCDC/DC ConversionHigh Voltage IBCHVDC 48Vdc AC/DC ConversionPower Sta

3、ge3 AC(480V-575V)HVDCEnergy Storage800V Battery Backup Unit(BBU)800V Capacitor Backup Unit(CBU)DC/DC ConversionMedium Voltage IBC48Vdc 4-12Vdc Core PowerMultiphase Power4-12Vdc CORE 48Vdc4-12VdcGrid HVDC 650V GaNIsolated Gate DriversMagnetic Current SensorsC2000 Digital ControllersHVDC 48Vdc650V GaN

4、100V GaNDigital ControllersHV Hot Swap Controllers48Vdc IBV(4-12Vdc)100V GaNDigital ControllersHot Swap ControllerseFusesIBV COREDigital ControllersPower Stages Power ModulesVPD/CVPDPOLsInfrastructure/Side CarAcceleratorPower Distribution BoardAC/DC 480V-AC to 800V or+/-400V30-kW 3-phAC to+HVDC 3-le

5、vel Flying Capacitor PFC and 3-phase LLCHV DC/DC 800V or+/-400V to 12V800V or+/-400V module12-kW 800V/+/-400V 64:1 2-level LLC with 98%efficiency480VAC 10%+400 VOring/Ishare-400 VHot swapIsolation Architectures key challengesPFCIsolation48 V ModulesWith Isolation48 V ModulesWith IsolationPFCIsolatio

6、n48 V ModulesWith IsolationPFC48 V ModulesWith Isolation+400 V-400 V800 V800 V+-PFCIsolation48 V ModulesWith Isolation+400 V-400 VOption 1Option 1Option 2Option 2Option 3Option 3ConcernOption 1Option 2Option 3Option 43rdharmonic currentEliminated through complex controlEliminated through isolationEl