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1、电气自动化部分热控A%ofthefullscale满刻度的A%AbnormalitydetectionsystemforaSuddengasleakage突然漏气不正常情况的检测系统actuatoratlocal,pneumaticallyoperatedtype就地执行机构,气动式adapttotherequirementofloadchange适合负荷变化的要求A/Dconverter,D/Aconverter模/数转换器,数/模转换器airactuatorinitiatedbyzerospeedindicator零转速指示器起动的气动执行机构airqualitycontrols
2、ystem(AQCS)空气质量控制系统alarmannunciator警报信号器alarmdisplayandacousticalarm警报显示和音响警报alarmlimitcheckingforvalueofanaloginput模拟量输入量的警报限值检查alarmpoint,abbreviatedalarmmessage,timestampofalarmoccurrence报警点,简化报警信息,发生报警的记时打印alarmprinter(message)警报打印机(信息)allowableconditionofoperationandeffectofoperation允许操作条件
3、和操作结果allowablelimitationformalfunctionandabnormalstate机能失灵和不正常状态的允许限度amountofhydrogenleakage漏氢量amplifiergainautocorrectioneacheveryhour每一小时放大器增益自动校正analoginput/output,numberofpoints模拟量输入/输出,点数analog(digital)trenddisplay,groupdisplay模拟(数字)趋势显示,成组显示analysisinstrumentpanel分析仪表盘analyzerofabsorbingu
4、ltraviolettype吸收紫外线型分析器annunciatorindicatinglampswithflickerinalarm带报警闪光的信号器指示灯assemblytest组装试验audio(radio,ultrasonic)frequency声(射、超声)频automaticboiler(burner)control锅炉自动(喷然器)控制automaticcontrolsystemofmicroprocessorbasedhierarchicaldistributedsubloopcontrolstructure以微机处理为基础的分层分散子回路控制结构的自动控制系统aut
5、omaticgaincontrol自动增益控制automaticplant(millandburner)controlsystem,digitalelectro-hydrauliccontrolsystem自动电厂(磨煤机和喷然器)控制系统,数字电液控制系统automaticstart-up/shut-downsystem自起动系统automaticrecordingoscillograph自动录波器automatictracingprogram(routine)自动跟踪或检验程序auto-tracing,self-regulatingheater自动跟踪,自调节加热器basedon
6、theduplexortwooutofthreeredundantmicrocomputersystem基于双重或三取二冗余原则的微机系统bearrangedbythecontrolfunctiongroupsforthereliabilityandamountoftransactionoftheplant按可靠性的控制功能组和电厂业务处理(事项)量进行配置bebuilt-ininsidethecontrolpanel装在控制盘内部BFPTgovernorcontrolsystem,sequenceControlsystem锅炉给水泵小汽机调速控制系统,程序控制系统blockdiag
7、ramofRUTunitRUT装置方框图Boiler,drainvalvepositioningControl锅炉疏水阀定位控制Boilerlight-off,loadup(down)锅炉点火,升(降)负荷boiler,turbineandgenerator(BTG)boardandauxiliarypanel锅炉,汽机和发电机控制台和辅助盘boiler/turbineco-ordinatedcontrol锅炉/汽机协调控制BTGboardandauxil