ABB矿井提升机传动系统

矿井提升机新一代传动系统矿井提升机新一代传动系统ƒ传动系统回顾ƒDC-直流传动ƒCyclo交-交变频传动ƒACS6000SD(DTC)ƒDescriptionofACS6000SD(DTC)ƒMainadvantagesƒComparisonDTC-Cyclo-convertorƒSynchronousmotorƒACS600(DTC)forsmallerhoistswithgearboxƒThefutureDCDC--直流传动系统直流传动系统DC直流传动系统直流传动系统-概要‰直流传动系统主要用于高速DC电机驱动‰除中国和独联体外,新系统很少使用低速DC电机‰由于生产成本高,直联DC电机只小批量生产‰中国‰独联体‰现有的DC电机通过更换可控硅变流器可继续保留使用‰ABB继续研发覆盖整个功率范围的DC直流传动系统‰ABB继续研发高速度DC电机‰直流传动系统主要用于高速DC电机驱动‰除中国和独联体外,新系统很少使用低速DC电机‰由于生产成本高,直联DC电机只小批量生产‰中国‰独联体‰现有的DC电机通过更换可控硅变流器可继续保留使用‰ABB继续研发覆盖整个功率范围的DC直流传动系统‰ABB继续研发高速度DC电机ƒDrivesystemreviewƒDC-DrivesƒCyclo交交变频传动系统ƒACS6000SD(DTC)ƒMainadvantagesƒComparisonDTC-Cyclo-convertorƒInstalledBasewithABBMineHoistsƒDescriptionofACS6000SD(DTC)ƒSynchronousmotorƒACS600(DTC)forsmallerhoistswithgearboxƒThefuture矿井提升机新一代传动系统矿井提升机新一代传动系统DC和Cyclo传动系统产生的谐波段DC和Cyclo对电网无功功率Q和视在功率S的要求‰Cyclo-交交变频传动系统的缺点‰大量的可控硅,熔断器以及RC-回路(缓冲器)‰产生大量的无功功率‰产生谐波,包括随速度变化的边频‰要求安装谐波滤波器‰产生力矩汶波,导致共振频率‰Cyclo-交交变频传动系统的缺点‰大量的可控硅,熔断器以及RC-回路(缓冲器)‰产生大量的无功功率‰产生谐波,包括随速度变化的边频‰要求安装谐波滤波器‰产生力矩汶波,导致共振频率CycloCyclo--交交变频传动系统––概要‰Cyclo-交交变频器的缺点‰力矩汶波CycloCyclo--交交变频传动系统––概要矿井提升机新一代传动系统ƒDrivesystemreviewƒDC-DrivesƒCyclo-convertorsƒACS6000SD(DTC)ƒDescriptionofACS6000SD(DTC)ƒDTC-Cyclo比较ƒ主要优点ƒSynchronousmotorƒACS600(DTC)forsmallerhoistswithgearboxƒThefuture矿井提升机新一代传动系统MINUEXCITERARUARU=ACTIVERECTIFIERUNITINU=INVERTERUNIT3,15kVDTCDTC原理原理NSrotorstatorγΦresrΦImIaΦs同步电机的电流和磁通矢量T=Ixφ/T/=/I/*/φ/*sin(α)αDTCDTC原理原理φu1u2u1u2u1u2u3u2u3u2u4u3Hysterisisbandfluxcontrol.DTC控制系统的核心作用:-直接转矩控制-磁通磁滞控制器-优化触发逻辑.-高精度电机模型u1u2u3u4u5u6DTCDTC原理原理ACS6000SDMotorPhaseVoltage(typical)Ur-1.5-1-0.500.511.530003020304030603080310031203140316031803200UrACS6000SD/典型主电压和电流AC-network-voltage(red)andAC-networkcurrent(blue)inphasea,cos(φ)=1-3.0-2.5-2.0-1.5-1.0-0.50.00.51.01.52.02.53.0kV0102030405060708090100110120130140150160170180msACS6000SD/AD模块平台INUInverterUnitARUPowerStack(s)EXULSUCOUWCUCBUACS6000BaseModuleCONTROLS&SWCONTROLSCONTROLS&&SWSWDTCIMACS6000ADSMACS6000SDPMACS6000PM-futureTWINIMACS6000ADTWIN-HISPINMultistacks1.0mSinglestack2.0mPre-definedinterfacesforpower,cooling&controlconnectionsACS6000SD/AD单传动系统(7&9MVA)ACS6000SD/AD单传动系统(7&9MVA)4.9mARUActiveRectifierUnitTEU&COU-TerminalsbehindthecontrolswingframeINUInverterUnit-3phasemodulesCBUDC-LinkCapacitorBankUnitWCUWaterCoolingUnitACS6000SD/INU(逆变单元)接线区(电机电缆)GUSP(门极电源)相模块(可插拔更换)EMC滤波器(dV/dtfilter)ACS6000SD/相模块冷却水(出口)二极管(反并联)IGCT(IntegratedGateCommutatedThyristor)冷却水(入口)ACS6000SD大功率IGCT器件91mmwafer/85mmpole-piece„IGCTdevelopment:discrete,4.5kV,91mm3800A@2500VDC3300A@2800VDC低开通电压降低开关损耗ACS6000水冷单元去离子器热交换器冷却水出入口Ïthemaincircuitcontainingde-ionisedwaterthattransferstheheatlossesfromthecomponentstobecooledtoawater-to-waterheatexchangerÏthesecondarycircuitcontainingrawwaterthattransferstheheatlossesfromthewater-to-waterheatexchangertotheexteriorÏthewatertreatmentcircuitthatcontinuouslypurifiesthecoolingwaterofthemaincircuitLLMMQIIPIonexchangevesselExpansionvasselITMWCUCoolingUnitACS6000WaterCoolingSystemˆ水冷系统包括3条回路:ACS6000水冷单元ACS6000SD–组态SpaceHeatersM3~M3~WindingTemp.Airtemp.BearingTemp.Cond.WaterDetectorsPGTMotorSM1N1W1V1UEXUExcitationPowerSupplyINUWCUCoolingWaterCHUVLUCBUARUMainPowerSupplyCOUAuxiliaryPowerSupplyAuxiliariesSynchronizationReferenceUPSControlSynchronizationReferenceCOUAuxiliaryPowerSupplyAuxiliariesControlUPSACS6000SD/额定功率„额定功率范围7,9,11,14,18,27MW„IGCT基本逆变单元„Power7MW„Power9MW„Power11MW„灵活组态„有源整流单元单个,双并和三并„逆变单元单个,双并和三并„公共3-电平DC-母线ACS6000SD主要数据„主电源„3160V+/-10%,50/60Hz„辅助电源„230..690V,50/60Hz,3-phase„励磁电源电压„400..690V,50/60Hz,3-phase„输出电压和频率„0...3400V„0...75Hz„Maxfieldweakeningrange1:5„逆变输出dV/dtmax.1.7kV/μsDriveWindow显示系统组态度监视实际信号值查看修改参数故障记录事件记录用于快速精确测量的数据记录传动控制操作控制和维护诊断备份和恢复矿井提升机新一代传动系统‰DTC传动系统优点-概要‰低谐波‰无无功损耗‰低电压降‰适用于质量差的电网‰无需滤波器来校正功率因数和抑止谐波段‰无需DC-断路器‰无需快速熔断器‰DTC传动系统优点-概要‰低谐波‰无无功损耗‰低电压降‰适用于质量差的电网‰无需滤波器来校正功率因数和抑止谐波段‰无需DC-断路器‰无需快速熔断器矿井提升机新一代传动系统‰DTC传动系统优点-概要‰变压器数目减少‰变压器容量减少‰动力电缆减少‰力矩响应更快,控制更精确‰安装空间小–减少井塔和绞车房基建成本‰DTC传动系统优点-概要‰变压器数目减少‰变压器容量减少‰动力电缆减少‰力矩响应更快,控制更精确‰安装空间小–减少井塔和绞车房基建成本矿井提升机新一代传动系统MEXCITERINU=INVERTERUNIT3,15kVARU=ACTIVERECTIFIERUNITARUINU正是系统组成上的差别，使得DTC系统的价格几乎与交交变频系统相近。Cyclo-Convertor性能比较DTCApparentpower02468101205101520253035404550556065707580859095100105110115120125130135140Time(s)Apparentpower(MVA)Apparentpower02468101205101520253035404550556065707580859095100105110115120125130135140Time(s)Apparentpower(MVA)SmaxSmax=7.5MVA=7.5MVASS--max=11MVAmax=11MVAVoltagedrop-5-4,5-4-3,5-3-2,5-2-1,5-1-0,5005101520253035404550556065707580859095100105110115120125130135140Time(s)Voltagedrop(%)Voltagedrop-5-4,5-4-3,5-3-2,5-2-1,5-1-0,5005101520253035404550556065707580859095100105110115120125130135140Time(s)Voltagedrop(%)PeakVoltagedrop4.9%PeakVoltagedrop4.9%PeakVoltagedrop0.78%PeakVoltagedrop0.78%Example4MWDExample4MWD--DrumDrumCyclo-DTC提升周期内电压降比较VoltagedropCyclo-DTC-5,00-4,00-3,00-2,00-1,000,0005101520253035404550556065707580859095100105110pwmcycloFrictionhoistACS6000SDDCdrivewithencoderDTCwithencoderPWMwithencoderStaticspeederrorDynamicspeederror±0.01%0.3%sec.±0.01%0.3%sec.±0.01%0.1%sec.0100020003000400050001001502000T