储能系统的BMS及电源系统设计

AnalogDevicesIncAllrightsreserved28December20211AnalogDevicesIncAllrightsreserved28December20212双碳背景推动储能的发展双碳背景推动储能的发展双碳背景推动储能的发展双碳背景推动储能的发展家用储能系统及户外电源设计其它技术可与储能系统相结合AnalogDevicesIncAllrightsreserved28December火力发电分布式储能网充电桩►火力发电分布式储能网充电桩►2020新基建–在能源网上包括了特高压和新能源►在“3060碳达峰和碳中和”的目标►“十四五”关键指标•特高压•新能源汽车充电桩•城际高铁•城市轨道•5G基站建设•大数据中心•人工智能•工业互联网特高压输电+智能变电站+配电网自动化集集中式储能►►2020年的新基建输送和充电桩成为热点AnalogDevicesIncAllrightsreserved28December20214工业ESS电动汽车充电基础设施ESS增电动汽车充电基础设施ESS增强电网稳定性提升充电性能VG输电领域用ESS转移投资备用电网和发电厂ESS频率调节家用及住宅ESS家用及住宅ESS用太阳能+充电桩集成备用电源备用电源可再生能源用ESS生能源整合=存储和使用AnalogDevicesIncAllrightsreserved28December20215充过放子电池充过放子电池▪电池管理▪功率转换AnalogDevicesIncAllrightsreserved28December20216►总线电流/电压测量及管理►各模块之间需隔离►分级管理与控制►功能安全要求►电池包独立设计(48V系统)►电流与电压检测同步►太阳能及其它电源输入AnalogDevicesIncAllrightsreservedDecember20217双碳背景推动储能的发展家用储能系统及户外电源设计其它技术可与储能系统相结合AnalogDevicesIncAllrightsreserved28December20218Iso-InterfaceIso-Interface汇一级：电池包级(PACK)二级：电池簇级(RACK)►三级：储能系统级AnalogDevicesIncAllrightsreserved28December20219➢电池电芯监控器➢AFE主要负责测量电芯电压和温度FE➢AFE可以独立工作，可以直接从电池包取电➢AFE采用菊花链通信方式，可级联➢AFE不仅能测量电芯电压，还能测量温度➢AFE可以完成被动均衡AnalogDevicesIncAllrightsreserved28December202110/Voltage /Voltage Protection Protection流Iso-InterfaceS–BusMonitor:LTC2949/2950–Activebalancing:LT8584DAnalogDevicesIncAllrightsreservedDecember11►测量18个串联电池单元►业界较高的精度：▪3mV总测量误差►200mA被动电池平衡能力►9个通用数字I/O或模拟输入AnalogDevicesIncAllrightsreserved28December202112AnalogDevicesIncAllrightsreserved28December202113高数据速率隔离式数据通信使用标准变压器实现的电气隔离低成本单条双绞线上的双向接口–支持长达100米的电缆AnalogDevicesIncAllrightsreserved28December202114SPI或源/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/EVAL-ADBMS1818.html#eb-overviewAnalogDevicesIncAllrightsreserved28December202115ssivebalancingcapability•isoSPIDaisychainconnectioninforwardandreversedirection•Schematicsanddesignfilesavailablemonitoreds•AppNotereleased(AN-2093)AnalogDevicesIncAllrightsreserved28December202116►双电流测量▪FastOvercurrentDetectionw/DeglitchurementdicatedBufferedVoltageInputs▪5AdditionalBufferedVoltageInputsorDigitalonitors►实时处理▪1%精度的功率、电能和电荷测量▪电荷和能量的无损跟踪oAnalogDevicesIncAllrightsreserved28December202117ck(12–18Channel)Moduleck(12–18Channel)ModuleLT1999LT8584converter▪Integrated6Aswitch►SafetyFeatureseAnalogDevicesIncAllrightsreserved28December202118电池架(RACK)每个电池包电池包堆叠(串行通信)电池架(RACK)每个电池包电池包堆叠(串行通信)电电池模块(PACK)电电池管理单元(BMU)AnalogDevicesIncAllrightsreserved28December202119Ethernet Stack ControllerCAN Ethernet Stack ControllerCAN 3.FunctionalSafety6.TypicallyUniqueIDfeature9.ReinforcedisolationAnalogDevicesIncAllrightsreserved28December202120双碳背景推动储能的发展家用储能系统及户外电源设计其它技术可与储能系统相结合AnalogDevicesIncAllrightsreserved28December202121Interface逆变器Interface sensing GatedriverGatedriver Protection Protection 储能电池包x–Currentsensing:ADIamplifierAnalogDevicesIncAllrightsreserved28December202122•OperatingVoltagefrom9Vto65V•ASILD–Voltage,Temperature,Current,Communication•OBDII-Voltage/temperaturemeasurementredundancy•RedundantMonitorandAlertpins•14Cell-BalancingSwitches>Upto300mAperswitch>EmergencyDischargeMode>Automaticcellbalancingenablingmicrosleepmode>7Selectableranges•ImprovedAcquisitionTimeRTCommunicationInterface•DualUART,RedundantCommunications,Doublespeed•I2CMasterInterface•Ultra-LowPowerOperation(Standby2mA,Shutdown2µA)AnalogDevicesIncAllrightsreserved28December202123Bi-DirectionAnalogDevicesIncAllrightsreserved28December202124AnalogDevicesIncAllrightsreserved28December202125cargingStatusFaultReporting►MoreChargerConfigurationOptionsAnalogDevicesIncAllrightsreserved28December202126AnalogDevicesIncAllrightsreservedDecember212748V直流母线(44-56AnalogDevicesIncAllrightsreserved28December202128aseforHighPower▪SynchronousRectification:Upto98%Efficiency▪ProgrammableInductorCurrentMonitoringandRegulation▪SPICompliantSerialInterface▪OperationStatusandFaultReportHz▪SpreadSpectrumModulationOptionalMultiphaseMultiICsOperationUpto24PhasesAnalogDevicesIncAllrightsreserved28December202129▪UniqueArchitectureAllowsRegulationofInputVoltage,urrent▪SynchronousRectification:Upto98%Efficiency▪ProgrammableInductorCurrentMonitoringandRegulation▪SPICompliantSerialInterface▪OperationStatusandFaultReportHz▪SpreadSpectrumModulationOptionalMultiphaseMultiICsOperationUpto24PhasesAnalogDevicesIncAllrightsreserved28December202130rarchitecture►Shoot-throughprotectionAnalogDevicesIncAllrightsreserved28December202131双碳背景推动储能的发展家用储能系统及户外电源设计其它技术可与储能系统相结合AnalogDevicesIncAllrightsreserved28December202132保快速、安全充电，还需要监测其健康状态和预期寿命知决方案如何解决问题和预期寿命的锂离子电池的应用，这是目前市场上最常见充电状态信息分析功能，减少维护时间和成本其他电池化学成分的精确测量扫描ElectrochemicalFrontEnde▪Schematics▪Layout▪BOM▪Assembly►Software▪/resources/eval/user-guides/circuits-from-the-lab/cn0510pportAnalogDevicesIncAllrightsreserved28December202133►AD594x:用于电化学和EIS应用的第三代内阻测量AFE▪ADUCM350/5:用于工业和医疗的AFE+MCU▪发布评估系统和CFTL▪从1Hz到1kHz的误差小于1.5%▪多个厂家已评估并采用teryEISSystemKBioLogicEISBenchtopBIOLOGICEISVERSUSADIEISBioLogicEISStationAnalogEISBoard-0.01-0.014-0.012-0.01-0.008-0.006-0.004-0.0020.0250.030.0350.040.0450.050.0550.0600.0020.004AnalogDevicesIncAllrightsreserved28December202134TwoAnalogDevicesIncAllrightsreserved28December202135AnalogDevicesIncAllrightsreserved28December202136芯片cvrcvr和波段2.4GHzWorldwideband2.4GHzWorldwidebandSubGHzWorldwideregionalbandsSubGHzWorldwideregionalbandsIEEE802.15.4兼容Mesh网可扩展到1000个节点250kbps数据带宽长电池寿命WirelessHART兼容Mesh网长电池寿命6LoWPAN兼容P2MP长距离网可扩展到12000个节点300kbps高下行链路BW长电池寿命长距离6TiSCH兼容Mesh网可扩展到1000个节点50kbps数据带宽长电池寿命长距离高密度网络在恶劣的工业环境中高密度网络在恶劣的工业环境中高密度的大型网络需要快速下载独特的消息。或需要低延迟警报消息的低密度网络低密度的网络分布在大面积或难以到达节点环境B2H,2020AnalogDevicesIncAllrightsreservedDecember2137每个电池包25~52V1n