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21概述General11環(huán)境條件Conditions環(huán)境溫度：0℃～45℃Ambienttemperature：0℃～45℃海拔：≤1000mAltitudeofsite：≤1000m濕度：0%～85%,無凝結(jié)，無腐蝕，無滴水Operatinghumidity：0%～85%,nocondensation,nocorrosion,nodripping其它安裝條件：所有的電氣設(shè)備適用于船用環(huán)境使用要求Others:allelectricalequipmentissuitableforuseinthemarineenvironment12船級(jí)規(guī)范Classrules所提供的設(shè)備滿足如下船級(jí)社最新規(guī)范要求：Theequipmentprovidedmeetstherequirementsofthelatestclassificationsocietyspecificationsasfollows:船級(jí)社:CCSClassificationSociety:CCS13系統(tǒng)描述Systemdescription本船動(dòng)力來源為常規(guī)柴油推進(jìn)主機(jī)，主機(jī)尾軸配置一臺(tái)軸帶永磁低速電機(jī)，通過軸帶變頻器及濾波設(shè)備輸出恒頻恒壓、質(zhì)量穩(wěn)定的電源，可以單獨(dú)發(fā)電或與船舶輔助發(fā)電機(jī)組并聯(lián)發(fā)電。ThepowersourceoftheshipistheconventionaldieselpropulsionmainengineThepermanentmagnetlow-speedgeneratorisinstalledatthesternshaftofthemainengineTheconstantfrequencyandconstantvoltagepowersupplywithstablequalitycanbeoutputthroughtheshaftfrequencyconverterandfilteringequipment,whichcangenerateelectricityindependentlyorinparallelwiththeauxiliarygeneratorsetof3theship軸帶電機(jī)安裝在中間軸上，確保主機(jī)在正常使用轉(zhuǎn)速范圍內(nèi)，系統(tǒng)能夠發(fā)出足夠的功率，供應(yīng)全船用電負(fù)荷。Theshaftgeneratorisinstalledontheintermediateshafttoensurethatthemainengineiswithinthenormalspeedrangeandthesystemcansupplyenoughpowertomeetthewholeshipselectricloadrequirement系統(tǒng)結(jié)構(gòu)圖如圖1所示：ThesystemstructurediagramisshowninFigure1:圖1軸帶發(fā)電系統(tǒng)結(jié)構(gòu)圖Figure1Shaftgeneratorsystemstructurediagram在PTO模式下，軸發(fā)系統(tǒng)通過軸發(fā)變頻器以恒頻恒壓提供所需的功率。當(dāng)主機(jī)轉(zhuǎn)速在80-110rpm間，軸發(fā)系統(tǒng)可以輸出500kW并供應(yīng)全船負(fù)荷。InPTOmode,theshaftgeneratorsystemsuppliestherequiredpowerwithconstantvoltageandconstantfrequencybythe$GconverterThesystemisdesignedtoprovideaconstantpowerof500kWforhotelloadwhenM/Eoperated4between80-110rpm該500kW（網(wǎng)側(cè)輸出）軸帶發(fā)電系統(tǒng)包括一臺(tái)軸帶發(fā)電機(jī)、一套變頻器和一套隔離變壓器。該變頻器配備有AFE模塊，并配備濾波器。其中AFE模塊使用IGBT開關(guān)器件并采用PWM調(diào)制技術(shù)。The500kW(gridsideoutput)shaftgeneratorsystemconsistsofashaftgenerator、afrequencyconverterandatransformerTheconverterisequippedwithanAFEmoduleandisequippedwithafilteronthegeneratorsideTheAFEmoduleusesIGBTswitchingdeviceandPWMmodulationtechnology電機(jī)側(cè)的整流模塊將發(fā)電機(jī)輸出的交流電能轉(zhuǎn)換成變頻器直流側(cè)直流電能，所配置的濾波器可有效降低發(fā)電機(jī)側(cè)的諧波水平。電網(wǎng)側(cè)的AFE逆變模塊配置相應(yīng)卡件和軸帶電機(jī)軟件應(yīng)用宏，可將變頻器直流側(cè)電能轉(zhuǎn)換成交流電能并供給船舶電網(wǎng)，軟件控制程序可實(shí)現(xiàn)軸帶發(fā)電系統(tǒng)的單獨(dú)發(fā)電運(yùn)行或與其他發(fā)電機(jī)組并網(wǎng)運(yùn)行。TherectifiermoduleofthegeneratorsideconvertstheACpoweroutputofthegeneratorintotheDCpoweroftheinverterandthefiltercaneffectivelyreducetheharmoniclevelofthegeneratorsideTheAFEinvertermoduleonthepowergridsideisequippedwithcorrespondingpartsandthesoftwareapplicationmacroofshaftgenerator,whichcanconverttheelectricenergyontheDCsideoftheinverterintoACelectricenergyandsupplyittotheshippowergridThesoftwarecontrolprogramcanrealizetheoperationoftheshaftpowergenerationsystemaloneorparalleledwithothergeneratorsets主機(jī)參數(shù)Mainengineparameters主機(jī)型號(hào)/Mainenginetype：瓦錫蘭：6RT-flex50-B軸發(fā)運(yùn)行的最大的主機(jī)轉(zhuǎn)速/Maximumspeedofnormaloperation：110r/min軸發(fā)額定功率運(yùn)行的最小的主機(jī)轉(zhuǎn)速/Minimumspeedofnormalatratedpoweroperation：80r/min要求主機(jī)轉(zhuǎn)速在80-110rpm間軸帶發(fā)電系統(tǒng)能夠達(dá)到額定功率500kW。Theshaftgeneratorsystemcanoutput500kWratedpowerwithinthespeedof80-110r/min