磁懸浮離心式模塊機冷水機的研制和應(yīng)用.ppt

whoismultistack thecreatorandleaderofmodularchiller模塊化冷水機組的發(fā)明者與領(lǐng)導(dǎo)者 modularchiller since1985 multistackinternationallimited multistack生產(chǎn)基地 multistackaustralia since1985multistackchina since1988multistacku s since1989 multistack產(chǎn)品 水冷模塊冷熱水機組風(fēng)冷模塊冷熱水機組一次泵變水量模塊冷熱水機組自由變頻模塊冷熱水機組磁懸浮離心式模塊機組 mt系列磁懸浮離心式模塊化冷水機組 mtserieswatercooledmodularchiller mtw350 制冷量358kw mtw500 制冷量511kw 模塊化結(jié)構(gòu)制冷量90 880trmv6電腦控制 mtserieswatercooledchiller mtserieschillerwhatisnew 磁懸浮軸承離心式壓縮機不需要潤滑油r134a冷媒高效cop 5 5iplv 8 6 0 41kw ton 安靜70db a at3m 軟啟動 變頻驅(qū)動與壓縮機一體化的數(shù)字控制系統(tǒng)可變水流量運行 ttseriescentrifugalcompressorwithmagneticbearing abouttt300 1993年 multistack最早開始磁軸承的離心式制冷壓縮機的項目研究1997年 進入樣機試驗階段1999年 turbocorp遷往加拿大 成為一個完全獨立的公司2003年 參加chicagoahrexpo 獲得energy innovationaward 兩極壓縮離心式壓縮機無油的磁軸承變頻驅(qū)動一體化數(shù)字控制 two stagecentrifugalcompressoroil freemagneticbearingsvariable speeddriveon boarddigitalelectronics frictionlesscompressortechnology ttseriescentrifugalcompressor 21stcompressorinnovation 永磁體轉(zhuǎn)軸與離心葉輪 吸氣導(dǎo)向葉輪 轉(zhuǎn)速控制器vsd 永磁式同步電機 軸承控制器mbc 磁軸承和軸承傳感器 conventionalcompressorrollerbearingsorhydrodynamicbearings 摩擦損失油膜覆蓋換熱器傳熱表面潤滑油循環(huán)裝置和控制 循環(huán)油泵 油冷卻器和油加熱器 油分離器 潤滑的煩惱 howmuchdidoildegradetheperformanceofthechiller percentageofoilinrefrigerantinolderchillersashraeresearchproject howmuchdidoildegradetheperformanceofthechiller oilcontentinrefrigerant efficiencyloss howmuchdidoildegradetheperformanceofthechiller 壓縮機燒毀的原因近90 緣于潤滑的失效 upto90 數(shù)字控制式磁軸承系統(tǒng)完全無潤滑油運行 ttseriescentrifugalcompressor 21stcompressorinnovation ttseriescentrifugalcompressor 21stcompressorinnovation 機械軸承 磁懸浮軸承 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 齒輪傳動增速 離心葉輪 齒輪增速 forconventionalcentrifugalcompressor 噪聲震動效率損失需要潤滑 齒輪傳動提速 gearsdriveshafttogethigherspeed 齒輪驅(qū)動 forconventionalcentrifugalcompressor motordirectlydriveimpellers 旋轉(zhuǎn)速度18000 48000rpm馬達直接驅(qū)動離心輪 thefurtherofefficiency ttseriescompressor conventionalcompressor 180w 10 000w 沒有機械軸承和齒輪沒有機械摩擦損失沒有潤滑油循環(huán) 純制冷劑壓縮循環(huán)沒有潤滑油的加熱或冷卻 themagneticbearingshavelessthan2 thefrictionlosscomparedtoconventionalbearings 磁軸承和軸之間沒有機械接觸磁軸承和軸之間的氣墊阻隔馬達震動只有氣流噪聲高頻程噪聲易于衰減 soundandvibration ttseriescompressor conventionalcompressor 77dba 85dba thesoundpressureis77dbaat1mand70dbaat3mfromunitunderaristandard575 94methodofmeasuringmachinerysoundwithinanequipmentspace 與澳大利亞國家工業(yè)科技研究所 csior 共同研究設(shè)計 synchronousbrushlessdcmotor 永磁體無刷式同步直流電動機 共體式永磁體轉(zhuǎn)子軸 synchronousbrushlessdcmotor synchronousrotor 馬達效率96 97 普通感應(yīng)式馬達效率92 不需要轉(zhuǎn)子勵磁線圈不需要換向電刷 體積緊湊馬達尺寸160hp 1hp 感應(yīng)式馬達 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 釬焊板式滿液蒸發(fā)器 趨近溫差 3k結(jié)構(gòu)緊湊 傳熱高效電子膨脹閥供液量精確控制減少50 冷媒充注 superhighefficiencycompactbrazedplatefloodedevaporator ari550 590 1998 kw ton comparisonmtw300chillervsleadingcompetitor kw ton load mtw300 leadingcompetitor ari550 590 1998 mtseriesmodularchiller energyefficiencyadvantage 磁懸浮軸承離心式壓縮機滿負荷高效率變頻控制技術(shù)及模塊化組合 部分負荷高效率vwf節(jié)省部分負荷水泵功率 mtserieschiller 高效磁懸浮軸