监控与数据采集系统-电力系统专业英语ppt课件

SupervisorycontrolandDataAcquisitionSystem 监控与数据采集系统 LessonEight vocabulary supervisoryscanself checkalarmover temperaturechange of statetelemeterreferenceanalogquantitypulse 监视扫描自检报警过热状态改变 变位遥信基准模拟量脉冲 vocabulary sequence of event SOE codeloggingmodulatordemodulatorpanelmimic 事件顺序记录代码记录调制器解调器面板模仿的 1 Conditionsalarming suchasfirealarm illegalentry over temperature lowbatteryvoltageandindicationalarmofanyuncommandedchange of state 2 Controlandindicationincluding a Controlof andindicationfromadevicehavingonlytwoposition Examplesarecircuitbreakers trippedorclosed andmotorstarters stoppedorstarted b Controlof andindicationfromadevicehavingthreepositions Anexampleisavalve closed midpositionandopen c Indicationwithoutcontrolofadevicehavingtwoorthreepositions SentenceExplanations d Indicationswithmemorycapableofstoringsingleormultiplechangesofstatusthatoccurbetweenscans e Controlwithoutindicationofadevice Examplesaretap changingtransformers tappositionisbroughttothemasterbytelemeteringmeans andraise lowercontrolofgeneratorload f Set pointcontroltoprovideaset pointreferencetoacontrollerlocatedataremote 3 Dataacquisitionincludingrecordingordisplaying a Analogquantities ExamplesareACwatts vars voltsandamperes b Kilowatt hourdatafromdigitalpulses c DigitaldatasuchaslevelsthataredigitalizedbyexternaldevicesandreaddigitallybytheSCADAequipment 4 Sequence of eventsthatrecognizetheoccurrenceofpredefinedevents associatedtimeofoccurrencewitheachevent andpresentationoftheeventdataintheorderofoccurrenceoftheevents 4 事件顺序记录 它记录预定义的事件及其发生的时间 并且按照事件发生的顺序显示事件数据 Thisinformationcanbecommandstoremotelocations trip close position setpoints etc oritcanbethetransmissionofstatusindication positionandanalogordigitaldatafromtheremotetothemasterstation 这种信息可以是对远方设备的操作命令 断 合 位置设定 整定命令等等 或是从远方到主站的状态监测 位置信号 模拟量或数字量 Thecommunicationsinput outputfunctionishandledbyseveralmicrocomputerscapableofoperatingwithanumberofcommunicationlines 几个可以处理多路信道的微机实现通信的输入输出功能 1 capableof 修饰microcomputers2 被动译为主动 Conventionalmasterstationman machineinterfacesystemsconsistofstandardpanelswithmimicbus indicatinglights controlswitches alarmpanelsandindicatingmeters 模拟盘模拟母线指示灯控制开关光字牌监测仪表 TheCRTprovidesaone linediagramthatdynamicallydisplaysthestatusofthesubstationandalsoalphanumericdisplays thissavesspaceandwiring Thekeyboardandspecial functionpushbuttonsareusedbytheoperatorforthedisplayfunction dataandeventslogging limitviolationandotheroperatoractions Loggingbytheprinterprovidesapermanenthard copyrecordofallthingsthathaveoccurredataremote CRT提供单线图可以动态显示变电站的状态和数字显示 这节省了空间和电缆 运行人员使用键盘和特殊功能的按钮进行显示 数据和事件记录 越限记录和其他操作 打印日志提供在远方发生的所有事件的永久的硬拷贝记录 Operatorscontrolallowsthefollowingfunctionstobeinitiated controlaction CRTdisplayselection alarmacknowledgement dataentry demandlogging limitchangesandpointsINorOUTofserviceinthesubstation Meansforprintanddisplay dataentry controlpointselectionandalarmfunctionsarealsoprovided 运行人员控制允许执行以下功能 控制操作 CRT显示画面选择 报警确认 数据录入 命令日志 改变限值和变电站测点投用 停用 SCADA系统也提供显示和打印 数据录入 控制点选择和报警功能 TranslationSkill 被动句的翻译1 译为被动句为保持译文的准确性 通常可保留被动语气 常用 被 由 为 受 靠 等词表示 Thekeyboardandspecial functionpushbuttonsareusedbytheoperatorforthedisplayfunction 键盘和特殊功能的按钮被操作员用于显示 TranslationSkill 被动句的翻译2 译为汉语主动句某些情况下 用被动翻译译句语序不好处理 可译为主动句 即采用反译法 Thecommunicationsinput outputfunctionishandledbyseveralmicrocomputerscapableofoperatingwithanumberofcommunicationlines 几个可以处理多路信道的微机实现通信的输入输出功能 因为 微机 的定语很长 若保持被动语气 主语和宾语距离太远 句子结构不紧凑 TranslationSkill 被动句的翻译3 译为无主句对it edthat 结构 可以译为无主句Itmustberealizedthath