csignalandthenthesamplingdatacanbecollectedbytheinstrument.Inthispaper,areal-timetemperaturemonitoringsystemforoil-immersedpowertransformersisdesigned.Thedesignedmonitoringsystemcaneffectivelymonitorsomekeyarea'stemperaturevariation:suchastheboxbody,thetransformerwinding,theironcore,andsoonanditplaysasignificantroleinsupervisorycontroltotheoperationsituationoftransformers.II.HARDWAREDESIGNA.Overaleoftenselectedasthemonitoringobjectsinthebody,thetransformerwinding,theironcore,andsoon,monitoringsystemofpowertransformer.Theanditplaysasignificantroleinsupervisorycontroltothecharacteristicgasesdissolvedinoilcanbemonitoredinoperationsituationoftransformers.realtime,whichcanhelpmonitoringpowertransformer'srunningstation.But,itcannotsatisfyinspection'srequirementofpowertransformer.Besides,thesignaloflocaldischargecanbeusedtojudgesomeA.Overallplanofthedevelopedsystemfault'slocation,yetitsreal-timeperformanceisweak.Basedonthetemperaturefieldinformationofpowertransformers,thisresearchsupportedbyNSFCexploresanewconditionmonitoringandfaultdiagnosiswayforit.Anon-linetemperaturemonitoringsystemofoil-immersedpowertransformersbasedonMCUisdesignedinthispaper.Itsvariationoftemperatureinpowertransformeroftenkeepsafixedorderlinesswhenitisrunningnormally.Inmostsituations,itsvariationoftemperatureinpowertransformerhasacloserelationshipwithdifferentfaulttypes.Theinteriorfaultpatternsofoil-immersedtransformerarereferringtomechanism,heatingandelectricity,andmainlythelattertwo.Themachinerymalfunctionoftenispresentedintheformofthermalorelectricity.Accordingtotheinvestigationresultpresentedinthetable,themalfunctionwaysfortherunningoil-immersedtransformersincludemainlytheoverheatingmalfunctionanddischargingmalfunctionofhighenergy.Thetemperaturerisingwilloccurinsomelocationswhenoverheatmalfunctionorhighenergydischargingmalfunctionoccurs.Furthermore,anobviouemperaturerisingwilloccurforsomepowertransformersbeforethemalfunctionareformed.Onconditionthatthereal-timemonitoringtothecorrectareascanberealized,apreventivemaintenancewouldalterthepresentmaintenanceandinspectionmode,andbeabletoreducetheMaintenanceCost.Therefore,itisveryimportanttokeepthepowertransformersinthebestsituation.Thereareseveralmethodstomeasurethehotspottemperature.Asimplemethodisthatthetemperaturesensorcanbeusedtoconverttemperaturesignalintotheelectricsignalandthenthesamplingdatacanbecollectedbytheinstrument.Inthispaper,areal-timetemperaturemonitoringsystemforoil-immersedpowertransformersisdesigned.Thedesignedmonitoringsystemcaneffectivelymonitorsomekeyarea'stemperaturevariation:suchastheboxbody,thetransformerwinding,theironcore,andsoonanditplaysasignificantroleinsupervisorycontroltotheoperationsituationoftransformers.II.HARDWAREDESIGNA.Overal口转移到电脑。USB接口电路desigtUSB接口电路如图所示。当周边设备与D连接时,集中可以检查周边设备连接状态并且及时报告给主机。一旦设备连接信息被找到,主机先发送一个请求到一系列集中器,然后主机和设备之间会建立基于集中器一个沟通渠道。此外,主机开始列出设备,并检查了周边设备是否成功连接后,他们和相关配置信息是由主机控制电脑。外围设备主机认可计算机可以被安排与它交流。三软件设计A.数据采集编程根据序列MAX控制时间,工作流数据收集如图所示。二USB驱动器设计)固件编程:通常有三个部分之间USB单片机固件:(一)初始化单片机和所有外围电路(包括PDIUSBD);(二)主循环部分:这部分将被中断;(三)中断服务程序,能进行立即中断。单片机之间通信对PDIUSBD主要参考是单片机对PDIUSBD数据发送多少。有三种PDIUSBD命令字符,包括初始化顺序字符,数据流命令字符和普遍秩序字符。PDIUSBD表现出不同命令代码和地址。该单片机首先发送指令到指令处理系统PDIUSBD,重新发送或读取不同数据按不同要求进行。因此,它是为了方便转换成每一种功能并且使这些能进行直接调用。)驱动程序:虽然有许多标准接口系统提供此功能,但是驱动程序编程还有一个任务是USB开发最困难。通常采用WindowsDDK中实现车道编程。目前,第三方软件厂商已提供了大量驱动程序生成工具,如康博驱动程序向导驱动程序。这些工具能够生产出高品质USB。当检查USB设备时,UsbView程序可以用来检测设备是否枚举并且由Windows分配。如果成功,检查该设备描述,配置描述和端点描述是否正确。一般用途程序可以通过驱动程序向导。一旦Windows发送线索安装驱动程序时,驱动程序生成向导将被选中。事实上,它只是一个应用程序产生驱动精灵视窗控制表。它能够调用通用USB驱动程序系统安装在装配时具体任务驱动程序向导。其工作装置条件是,传输数据是否有不正确传输或控制速度快,以及是否有可衡量驱动程序。如果它不能满足应用需求,新驱动器程序将被写下来。此外,为主机设计计算机软件图控制数据流收集由于条件限制测试,所设计变压器温度监控系统无法检查正在正常工作变压器。然而,温度上升适合模拟变压器实验平台设计并且符合本研究开发目。在实验中,变压器油箱在实际变压器箱体内,加热器是用来模拟绕组温升变化,电热电偶是用于测量绕组温度升值。此外,PT检测不同位置温度升高值,红外温度计测量温度上升框身体,水银温度计检测顶端油温。传感器输出线与监测系统连接,数据可以变为电脑屏幕上时间与温度。该生产线连接和实验结果分别为图和图。图中实验线连接图实验resultX轴表示时间,Y轴表示在图中,不同颜色曲线表明在不同地点石油温度升高变化。在实验中,温度计,红外线温度计,电热电偶和热电阻均采用比较验证。例如,温度计最高油温,电动热电偶绕组温度升高,热电阻,油温在红外辐射温度计不同位置,可以从图和图可见,最高温度始终在“变化”,温度变压器和盒反映温度变化在一步一步上升,以及底油变压器温度变化相对缓慢。实验结果基本同意在ANSYS模拟计算值。根据实验结果,温度监测中几个字符设计系统电力变压器为:(一)实时采集,实时传输USB总线。它也可以通过USB接口将采集数据传输到电脑中;(二)用一个键盘来控制其工作和液晶显示数据。此外,它还可以与工作在条件PC隔离;(三)平行收集模式可以设置为随机抽样-通道;(四)增加不同电路,以提供各种接口连接各种不同类型传感器。(如PT,电动热电偶,光纤温度传感器等);(五)测量范围:-+;ćć(六)油工作在一个较长时期。(七)结论本文研究一变压器温度为测试对象。分类和分析不同类型变压器故障处理。研究硬体系统电路监测,包括信号调节电路,滤波电路,数据采集电路,单片机控制电路,U盘接口电路,数据等,此外,流软件收集和USB驱动程序也利用。所设计监控系统已应用到仿真实验电力升温变压器。实验结果基本同意利用ANSYS软件模拟。参考文献[]孙才新。在线气体在油液监测与故障诊断电气设备技术[米]。北京:科学出版社,年,8̚[]格言公司。Maxim产品数据语料[光盘]。年[]周哩红。PDIUSBDUSB固件编程和驱动程序设计[M]。北京为:北京航空航天大学和航天出版社,年,1̚[]ADO,数据手册,模拟装置[光盘]。年[]引物筛选,Maxim应用笔记[光盘]。年[]Wright.Nick,Judd.Bob。使用接口USB作为数据采集研究[J]。评价工程,v,n,。,0̚[]王志强,孙疏影,孙士余。研究开发技术USB设备驱动程序研究[J。控制与自动化,.,3̚eoftenselectedasthemonitoringobjectsinthebody,thetransformerwinding,theironcore,andsoon,monitoringsystemofpowertransformer.Theanditplaysasignificantroleinsupervisorycontroltothecharacteristicgasesdissolvedinoilcanbemonitoredinoperationsituationoftransformers.realtime,whichcanhelpmonitoringpowertransformer'srunningstation.But,itcannotsatisfyinspection'srequirementofpowertransformer.Besides,thesigna毕业设计(论文)外文参考资料及译文译文题目:基于单片机油浸式变压器温度监测系统设计学生姓名:学号:专业:通信工程所在学院:指导教师:职称:年月日说明:要求学生结合毕业设计(论文)课题参阅一篇以上外文资料,并翻译至少一万印刷符(或译出千汉字)以上译文。译文原则上要求打印(如手写,一律用字方格稿纸书写),连同学校提供统一封面及英文原文装订,于毕业设计(论文)工作开始后周内完成,作为成绩考核一部分。DesignofTemperatureMonitoringSystemforOil-immersedPowerRansformersBasedonMCUSuxiangQianHongshengHuDepartmentofMechanicalandElectrical,UniversityofZhejiangProvince,ChinaE-mail:jjqsx@.comAbstract:CWiththeexpansionofelectriccapacityandlarge-scaleextensionofpowergrid,electricequipmentisplayingasignificantroleinmodernlife.Atpresent,thetechnologyofconditionmonitoringandfaultdiagnosingofpowertransformerhasbeenmadesomeimprovement,yetitsreal-timeperformanceandreliabilitystillcan'tmeettherequirementofsafeproduction.Duetodifferentthermaleffectsledbythenaturalorfactitiousfault,itstemperatureofoil-immersedpowertransformersiseasytochangeabnormally.Anon-linemeasuringandcontrollingsystembasedonMCUisdiscussedinthispaper.Inordertosatisfytherequirementofstatemonitoringandfaultdiagnosisofpowertransformeronreal-timeandreliability,akindofintelligenton-linemonitoringinstrumentisdesigned.Eachofitspartisexplainedinthispaper,includingtemperaturesignalcollectinganddataprocessingsystem.Thesimulationresultshowedthedesignedsystemwasgoodinitsreal-time,reliabilityandrunningcost.Therefore,thedesignedstatemonitoringsystemfortemperatureandfaultdiagnosisofpowertransformercanbewidelyusedinengineeringandisexpectedtobringabrightfuture.KeywordsCOil-immersedPowerTransformer,Temperature,Dataprocessing,MCUI.INTRODUCTIONsituation.Thereareseveralmethodstomeasurethehotspottemperature.AsimplemethodisthattheWiththecontinuousdevelopmentofeconomy,thetemperaturesensorcanbeusedtoconverttemperaturepowerindustryinourcountryhasenteredintoanewsignalintotheelectricsignalandthenthesamplingdatastageofdevelopment.Powertransformerhasbeenoneofcanbecollectedbytheinstrument.Inthispaper,athemostimportantequipmentsinelectricpowersystem.real-timetemperaturemonitoringsystemforAnditssafetyrunningplaysagreatimportantroleinoil-immersedpowertransformersisdesigned.Theordertoensuretheelectricpowersystem'sreliability.Atdesignedmonitoringsystemcaneffectivelymonitorpresent,theoilgasvalueandthesignaloflocaldischargesomekeyarea'stemperaturevariation:suchastheboxareoftenselectedasthemonitoringobjectsinthebody,thetransformerwinding,theironcore,andsoon,monitoringsystemofpowertransformer.Theanditplaysasignificantroleinsupervisorycontroltothecharacteristicgasesdissolvedinoilcanbemonitoredinoperationsituationoftransformers.realtime,whichcanhelpmonitoringpowertransformer'srunningstation.But,itcannotsatisfyinspection'srequirementofpowertransformer.Besides,thesignaloflocaldischargecanbeusedtojudgesomeA.Overallplanofthedevelopedsystemfault'slocation,yetitsreal-timeperformanceisweak.Basedonthetemperaturefieldinformationofpowertransformers,thisresearchsupportedbyNSFCexploresanewconditionmonitoringandfaultdiagnosiswayforit.Anon-linetemperaturemonitoringsystemofoil-immersedpowertransformersbasedonMCUisdesignedinthispaper.Itsvariationoftemperatureinpowertransformeroftenkeepsafixedorderlinesswhenitisrunningnormally.Inmostsituations,itsvariationoftemperatureinpowertransformerhasacloserelationshipwithdifferentfaulttypes.Theinteriorfaultpatternsofoil-immersedtransformerarereferringtomechanism,heatingandelectricity,andmainlythelattertwo.Themachinerymalfunctionoftenispresentedintheformofthermalorelectricity.Accordingtotheinvestigationresultpresentedinthetable,themalfunctionwaysfortherunningoil-immersedtransformersincludemainlytheoverheatingmalfunctionanddischargingmalfunctionofhighenergy.Thetemperaturerisingwilloccurinsomelocationswhenoverheatmalfunctionorhighenergydischargingmalfunctionoccurs.Furthermore,anobviouemperaturerisingwilloccurforsomepowertransformersbeforethemalfunctionareformed.Onconditionthatthereal-timemonitoringtothecorrectareascanberealized,a 毕业设计(论文)外文参考资料及译文译文题目:基于单片机的油浸式变压器温度监测系统的设计学生姓名:学号:专业:通信工程所在学院:指导教师:职称:2010年12月28日说明:要求学生结合毕业设计(论文)课题参阅一篇以上的外文资料,并翻译至少一万印刷符(或译出3千汉字)以上的译文。
译文原则上要求打印(如手写,一律用400字方格稿纸书写),连同学校提供的统一封面及英文原文装订,于毕业设计(论文)工作开始后2周内完成,作为成绩考核的一部分。
DesignofTemperatureMonitori