磁悬浮离心式模块机冷水机的研制和应用.ppt

whoismultistack thecreatorandleaderofmodularchiller模块化冷水机组的发明者与领导者 modularchiller since1985 multistackinternationallimited multistack生产基地 multistackaustralia since1985multistackchina since1988multistacku s since1989 multistack产品 水冷模块冷热水机组风冷模块冷热水机组一次泵变水量模块冷热水机组自由变频模块冷热水机组磁悬浮离心式模块机组 mt系列磁悬浮离心式模块化冷水机组 mtserieswatercooledmodularchiller mtw350 制冷量358kw mtw500 制冷量511kw 模块化结构制冷量90 880trmv6电脑控制 mtserieswatercooledchiller mtserieschillerwhatisnew 磁悬浮轴承离心式压缩机不需要润滑油r134a冷媒高效cop 5 5iplv 8 6 0 41kw ton 安静70db a at3m 软启动 变频驱动与压缩机一体化的数字控制系统可变水流量运行 ttseriescentrifugalcompressorwithmagneticbearing abouttt300 1993年 multistack最早开始磁轴承的离心式制冷压缩机的项目研究1997年 进入样机试验阶段1999年 turbocorp迁往加拿大 成为一个完全独立的公司2003年 参加chicagoahrexpo 获得energy innovationaward 两极压缩离心式压缩机无油的磁轴承变频驱动一体化数字控制 two stagecentrifugalcompressoroil freemagneticbearingsvariable speeddriveon boarddigitalelectronics frictionlesscompressortechnology ttseriescentrifugalcompressor 21stcompressorinnovation 永磁体转轴与离心叶轮 吸气导向叶轮 转速控制器vsd 永磁式同步电机 轴承控制器mbc 磁轴承和轴承传感器 conventionalcompressorrollerbearingsorhydrodynamicbearings 摩擦损失油膜覆盖换热器传热表面润滑油循环装置和控制 循环油泵 油冷却器和油加热器 油分离器 润滑的烦恼 howmuchdidoildegradetheperformanceofthechiller percentageofoilinrefrigerantinolderchillersashraeresearchproject howmuchdidoildegradetheperformanceofthechiller oilcontentinrefrigerant efficiencyloss howmuchdidoildegradetheperformanceofthechiller 压缩机烧毁的原因近90 缘于润滑的失效 upto90 数字控制式磁轴承系统完全无润滑油运行 ttseriescentrifugalcompressor 21stcompressorinnovation ttseriescentrifugalcompressor 21stcompressorinnovation 机械轴承 磁悬浮轴承 magneticbearingsystemtworadial oneaxialbearingssensorring radialbearings radialbearings axialbearing sensorring motor motorrotor sensorring impellers magneticbearingsystemkeepstheshaftproperlycenteredandpositionedatalltimes magneticbearing rotor rotor axialbearing radialbearing permanentmagnet electromagnet electromagnet permanentmagnet magneticbearing permanentmagnetsprimaryworkelectro magnetssecondarytrimsystembearingsensorfeedbackrotororbit shaft spositioncontrols sensedandrepositioned6 000 000timeseveryminutemaximumrun outlessthan7x10 3mmsoftwarecompensateforanyout of balanceconditioninthelevitatedassembly gearsdriveshafttogethigherspeed 齿轮传动增速 离心叶轮 齿轮增速 forconventionalcentrifugalcompressor 噪声震动效率损失需要润滑 齿轮传动提速 gearsdriveshafttogethigherspeed 齿轮驱动 forconventionalcentrifugalcompressor motordirectlydriveimpellers 旋转速度18000 48000rpm马达直接驱动离心轮 thefurtherofefficiency ttseriescompressor conventionalcompressor 180w 10 000w 没有机械轴承和齿轮没有机械摩擦损失没有润滑油循环 纯制冷剂压缩循环没有润滑油的加热或冷却 themagneticbearingshavelessthan2 thefrictionlosscomparedtoconventionalbearings 磁轴承和轴之间没有机械接触磁轴承和轴之间的气垫阻隔马达震动只有气流噪声高频程噪声易于衰减 soundandvibration ttseriescompressor conventionalcompressor 77dba 85dba thesoundpressureis77dbaat1mand70dbaat3mfromunitunderaristandard575 94methodofmeasuringmachinerysoundwithinanequipmentspace 与澳大利亚国家工业科技研究所 csior 共同研究设计 synchronousbrushlessdcmotor 永磁体无刷式同步直流电动机 共体式永磁体转子轴 synchronousbrushlessdcmotor synchronousrotor 马达效率96 97 普通感应式马达效率92 不需要转子励磁线圈不需要换向电刷 体积紧凑马达尺寸160hp 1hp 感应式马达 inletguidevanes igv avoidchokingatlowloadtrimscompressorcap optimizeenergyefficiency bydigitallyintegratedwithvsd motorandkeyelectroniccomponentsareinternallyrefrigerant cooled on boarddigitalelectronics vfd scr rectifier digitalcontroller capacitors pwmamplifier integratedcompressordesign icd digitallycontrolledbearingsdigitallycontrolledpoweradigitalcontrolthatintegratesandoptimizesthecompressore expansionvalve s chillercontroladigitalcontrolwithupto150pointsofdiagnosticinformation the rightway todesignacoolingsystem adesignthatincludes variable speeddrivecentrifugalcompression vfd variablefrequencydrive ac dcfrequency300 800hzspeed18 000 48 000rpmcapacityrange20 100 softstart reducestheinrushcurrent startupinrushcurrent2 6ampstraditionalcompressor500 600amps amps time compressorcontrolsystem powersupply linereactor rectifier dclinkcapacitors insulatedgatebipolartransistor motorbearingcontroller 3phase380 480v50 60hz dcbus scrcontrol compressorcontroller tomotor dcbus soft startmodule linereactor rectifier dclinkcapacitors insulatedgatebipolartransistor motorbearingcontroller 3phase380 480v50 60hz dcbus scrcontrol compressorcontroller tomotor dcbus soft startmodule 0v 200v 300v 300v pulse widthmodulation high voltagedc dcconverter compressorcontrolsystem powersupply capacitorsfilterforsmoothdcvoltageenergystorageandprovidepowertothemagneticbearingswhenexternalpowerloss shutdownandpowerfailures first motormotorbecomesageneratorinamillisecondofthecompressorlosingitspower shutdownandpowerfailures second touchdownbearingsafterthecompressorcomestoacompletestop therotordelevitatesnormallyontotouchdownbearings usedasabackupbearingtopreventhardcontact shutdownandpowerfailures third integratedcompressordesign icd web basedmonitoring interfacemodule mod busserver mod busovertcp iporhttpprotocol enduserwithinternetexplorerwebbrowser remotemonitoring remotemonitoring mod busovertcp ip httpprotocol ipnetwork 钎焊板式满液蒸发器 趋近温差 3k结构紧凑 传热高效电子膨胀阀供液量精确控制减少50 冷媒充注 superhighefficiencycompactbrazedplatefloodedevaporator ari550 590 1998 kw ton comparisonmtw300chillervsleadingcompetitor kw ton load mtw300 leadingcompetitor ari550 590 1998 mtseriesmodularchiller energyefficiencyadvantage 磁悬浮轴承离心式压缩机满负荷高效率变频控制技术及模块化组合 部分负荷高效率vwf节省部分负荷水泵功率 mtserieschiller 高效磁悬浮轴