BWDK-S干式变压器温度控制仪

BWDK-S系列BWDK-SSeriesof干式变压器温度控制仪Dry-typeTransformerTemperatureController使用说明书OperationInstructions制造单位:南京圣尚科技有限公司Manufacturedby:NanjingShengshangScience&TechnologyCo.,Ltd.地址:南京市工人新村71号Address:No.71,Gongrenxincun,Nanjing邮编:210037Zipcode:210037电话:025-********136********Tel:025-********136电话:025-********136********Tel:025-********136********联系人:彭永滨Contact:PengYongbin警告:主体变压器做高压绝缘实验时，请断开与本温控仪间的联线，以确保温控仪安全。Warning:Whenconductthehigh-voltageinsulationtesttothemainbodyoftransformer,pleasedisconnectitfromthetemperaturecontrollersoastoensurethesafetyofthetemperaturecontroller.、概述OutlineBWDK-S系列干式变压仪温度控制仪是由微处理器构成的智能仪器，它使用三只柏电阻作传感器，测量干式变压器三相绕组的温度。根据设定的温度值，启停风机进行温度控制。仪器具有各种声光报警功能，是保护干式变压器的重要装置。BWDK-Sseriesofdry-typetransformertemperaturecontrollerisanintelligentinstrumentequippedwithamicroprocessor.Itusesthreeplatinumresistancesassensorstomeasurethetemperatureofthree-phasewindingsofthedry-typetransformer,andstartandstopthefanfortemperaturecontrolaccordingtopresettemperaturevalue.Withvarioussoundandlightalarmfunctions,theinstrumentisanimportantdeviceforprotectingthedry-typetransformer.仪器符合JB/T7631-2005标准。TheinstrumentcomplieswithStandardJB/T7631-2005.仪器具有以下特点:Theinstrumenthasfeaturesasfollows:.仪器可以测量干式变压器三相绕组的温度，用LED每隔4秒循环显示三相温度值或定点显示三相温度最大值。Itiscapableofmeasuringthetemperatureofthree-phasewindingsofthedry-typetransformer,displayinginturnthree-phasetemperaturevalueswithaLEDevery4secondsordisplayingthehighestthree-phasetemperatureperiodically..仪器可以用按键输入4种温度设定值。当测量温度超过各设定值时，分别控制风机启停、超温报警、超高温跳闸等。温度设定值可以随时修改，断电后不会消失。Fourpresettemperaturevaluescanbeinputbykeystroke.Whenthemeasuredtemperatureexceedspresetvalues,theinstrumentwillrespectivelycontrolstartupandstopofthefan,over-temperaturealarm,ultra-hightemperaturetrip,etc.Thepresettemperaturevaluescanbemodifiedatanytime,andwillremainaftertheinstrumentisswitched-off..仪器具有传感器断线故障检测功能。Theinstrumentiscapableofdetectingthebroken-linefaultofthesensor..仪器具有风机依设定温度自动定时启动和手动启动功能。仪器可设定1-250小时内自动启动风机1分钟。Theinstrumenthasthefunctionofautomatictimingstartupandmanualstartupaccordingtothepresettemperature,andcansetautomaticfanstartupfor1minutewithin1-250hours..仪器具有温度历史最大值记录功能。Theinstrumentiscapableofrememberingthehighesttemperatureeveroccurred..根据使用需要，仪器可以提供数字量或模拟量输出。Theinstrumentiscapableofprovidingdigitaloranalogoutputasrequired..仪器面板上有绿色的状态指示灯，风机运转指示灯为黄色，而超温、故障和跳闸状态指示灯为红色。Thereisagreenstatusindicatorlightontheinstrumentpanel.Theindicatorlightturnsyellowwhenthefanoperatesandturnsredatthestatusofovertemperature,faultandtrip.二、技术特性Technicalspecifications1.仪器连续工作环境：温度:0〜50C;相对湿度：小于90%RH(25C。CConditionsforcontinuousoperationoftheinstrument:Temperature:0~50,relativehumidity:lessthan90%RH(25C.短时间工作环境：温度:-50~75cConditionsforshort-timeoperationoftheinstrument:Temperature:-50-75..工作电源:AC220V±10%;频率50Hz±4%。仪表保护装置5A熔丝。Workingpowersupply:AC220V10%,frequency50Hz4%.A5Afusefortheinstrumentprotector..温度测量范围：-50~200C。CTemperaturemeasurementrange:-50-200..温度测量准确度：0.5级。Temperaturemeasurementprecision:Class0.5..显示方式：LED每隔4秒循环显示A、B、C三相温度或定点显示三相温度的最大值，分辨力为0.1C。Displaymode:ALEDdisplaystemperatureofPhaseA,BandCinturnevery4seconds,ordisplaysthehighestCthree-phasetemperatureperiodically,withresolutionbeing0.1..输出方式:输出报警、跳闸和传感器故障，继电器接点容量AC250V/10AOutputmode:Outputalarm,tripandsensorfault.RelaycontactcapacityisAC250V/10A..启动风机:控制4~6台风机，继电器接点总容量AC250V/30AFanstartup:Control4-6fans,andtotalrelaycontactcapacityisAC250V/30A..耐压实验：2500VAC、60Hz、60秒。Withstanding-voltagetest:2500VAC,60Hzand60seconds..外形尺寸:80(H160(WX130(Dmm3。Dimensions:80(H160(WX130(Dmm3..开孔尺寸:76(HX52(Wmm2Perforatedimensions:76(H152(Wmm2..模拟量输出：三路4-20mA,对应A、B、C相温度0-200C，或一路4-20mA对应A、B、C相中最大值温度0-200C,精度1%±1个字，负载电阻0600?。CorAnalogoutput:Three-line4-20mAoutputcorrespondswithtemperatureofPhaseA,BandC(0-200,one-line4-20mAoutputcorrespondswiththehighesttemperatureof0-200CamongPhaseA,BandC.Precisioniswithin1%1andload土resistanceis<600?..数字量输出：RS232或RS485串行通讯接口，采用Modbus通讯协议。Digitaloutput:RS232orRS485serialcommunicationinterface,withModbusCommunicationProtocolbeingadopted.三、仪器结构Instrumentstructure前面板说明图(见图1Frontpanelillustration:(SeeFigure1rWhBWDK-s干式变压器温度控制仪BWDK-Sdry-typetransformertemperaturecontrollerBWDK-S干式变压器温度控制仪BWDK-Sdry-typmtransformertemperaturecontrollerBWDK-S十代变压耨温度控制仪BWOK-Sdry-typotransformertemperaturecontrollerrWhBWDK-s干式变压器温度控制仪BWDK-Sdry-typetransformertemperaturecontroller图1Figure1前面板上有两组数码管，I数码管显示A、B、C,II数码管显示对应的该相温度。面板上排共6个指示灯。当巡回”指示灯亮时，表示仪器巡回显示三相温度；当最大值”指示灯亮时，表示仪器显示当前最大值温度及其对应相。跳闸"、超温”、故障”、风机”指示灯分别指示跳闸、超温、故障、风机的状态。Therearetwogroupsofdigitaltubesonthefrontpanel,withDigitalTubeIdisplayingcharacterA,BorC,andDigitalTubeIIdisplayingcorrespondingphasetemperature.Therearetotally6indicatorlightsabovetheLED.Whenthe“Circuit“lightison,itindicatestheinstrumentdisplaysthree-phasetemperatureinturn.Whenthe"Max.value“lightteson,itindthattheinstrumentdisplaysthecurrenthighesttemperatureanditscorrespondingphase.Lightsof“Trip”-tempereture”,“Fault”and“Fan”respectivelyindicatethestatusoftrip,over-temperature,faultandfan.温度传感器的接线Connectionoftemperaturesensor三只铝电阻通过一个9芯插座引出，引线长度见图2:Threeplatinumresistancesareledoutthrougha9-coresocket.TheleadlengthisshowninFigure2.图2Figure2四、输出控制动作说明Descriptionofoutputcontrolaction仪器测量出变压器三相绕组的温度，求出其中的最大值Cmax将最大值与四种温度设定值C1,C2,C3,C4相比较，然后控制风机启停、超温报警、超高温跳闸等动作。C1,C2,C3,C4的定义及出厂设定值见表1,输出控制见表2.Aftertheinstrumentmeasuresthetemperatureofthree-phasewindingsofthetransformer,calculatethemaximumCmaxamongthem,andcomparethemaximumvaluewiththefourpresetvalueofC1,C2,C3andC4beforecontrollingthestartupandstopoffan,over-temperaturealarm,ultra-hightemperaturetripandotheractions.ThedefinitionsofC1,C2,C3andC4aswellasex-workpresetvaluesareshowninTable1andoutputcontrolisshowninTable2.表1C1,C2,C3,C4的定义及出厂设定值Table1DefinitionsofC1,C2,C3andC4andEx-workPresetValuesC4定义Definition风机停温度Temperatureforfanstop风机开温度Temperatureforfanstartup超温报警温度Temperatureforover-temperaturealarm超温跳闸温度Temperatureforover-temperaturetrip出厂值(CEx-workvalue(C80100130150表2输出控制Table2OutputControl厅节Serialno.工作状态Workingstatus测量和计算结果Measurementandcalculationresults指示灯状态Lightstatus控制动作Controlaction风机启停上行程UpstrokeforfanstartupandstopCmax>C2风机灯亮“Fan”on机启Fanstarts1>Cmax风机启停下行程DownstrokeforfanstartupandstopC1>Cmax风机灯灭“Fan”of机停Fanstops2超温报警Over-temperaturealarmCmax>C3风机灯亮“Fan"oB温灯亮“Overemperature“MBLBFanstarts超温继电器吸合Over-temperaturerelayon3超温跳闸Over-temperaturetripCmax>C4风机灯亮“Fan"oB温灯亮“Ovetemperature”on跳闸灯亮“Trip”on风机启Fanstarts超温继电器吸合Over-temperaturerelayon跳闸继电器吸合Triprelayon4传感器断线Sensorbreak®示HHHHHHHHdisplayed故障灯亮“Fault”on故障继电器吸合Faultrelayon五.基本功能使用方法Operationmethodsofbasicfunctions.接通仪器电源后，巡回显示三相绕组的温度，同时根据测量结果输出各种控制信号，见表2。Aftertheinstrumentisenergized,temperatureofthree-phasewindingsisdisplayedinturn.Inthemeantime,variouscontrolsignalsareoutputinaccordancewithmeasurementresults.PleaseseeTable2..按键的定义和功能Definitions&functionsofkeystrokesA:加1键，每按一次,输入参数加1,继续按下时，输入参数连续加1。测量时为巡回显示与最大值显示的转换键。A:Adding1key.Everytimeyoupressthiskey,theinputparametervalueadds1.Ifyoukeepthekeypressed,theinputparametervaluewillcontinuouslyincreaseby1.Itactsasaswitchkeybetweencircuitdisplayandmaximumvaluedisplayintimeofmeasurement.V:减1键，每按一次,输入参数减1,继续按下时，输入参数连续减1。测量时当三相最大值温度小于C2时，按下此键，手动打开或关闭风机。V:Subtracting1key.Everytimeyoupressthiskey,theinputparametervaluesubtracts1.Ifyoukeepthekeypressed,theinputparametervaluewillcontinuouslydecreaseby1.Whenthehighesttemperatureofthree-phaseislessthanC2intimeofmeasurement,pressthiskeytomanuallyturnonorturnoffthefan.#:输入转换键，每按一次，进入下一个参数的检查和修改。测量时按下此键，进入监控状态。#:Inputswitchkey.Everytimeyoupressthiskey,youcanentertheexaminationandmodificationofnextparameter.Pressthiskeytoenterintomonitoringstatusintimeofmeasurement..检查参数的方法（操作流程图Methodsforparameterexamination(SeeOperationFlowchart仪器的基本参数共有8个。提示符分别为C1、C2、C3、C4、Ft、Ht、Ad、Bp。Theinstrumenthastotally8basicparameters,withindicationsymbolsbeingC1,C2,C3,C4,Ft,Ht,AdandBprespectively.C1、C2、C3、C4的定义见表1,Ft为风机定期检测的时间问隔，单位为小时，最大值为250小时,每次开启风机时间约1分钟，若设置为0则无此功能;Ht为所测量三相温度的历史最大值。Ad为通讯地址提示符,Bp为通讯波特率。DefinitionsofC1,C2,C3andC4areshowninTable1.Ftrepresentstheintervalofperiodicexaminationofthefan,withunitbeinganhourandthemax.valuebeing250hours.Timeforfanstartupisabout1minute,andthefunctionwillnotexistif0isset.Htisthemax.historicalvaluemeasuredforthethree-phasetemperature.AdisanindicationsymbolofcommunicationaddressandBpiscommunicationbaudrate.检查参数的具体方法Specificmethodsforexaminingparameters仪器通电显示版本号SS03后立即进入测量状态，此时连续按下#键，则按C1、C2、C3、C4、Ft、Ht、Ad、Bp的顺序显示各个参数的设定值。Aftertheversionno.SS03isdisplayedfollowingelectrification,theinstrumentimmediatelyentersthemeasuringstate.Atthistime,pressKey#continuously,thepresetvaluesofvariousparameterswillbedisplayedintheorderofC1,C2,C3,C4,Ft,Ht,AdandBp.这些参数值只能检查不能修改。当持续5秒未有键按下，自动回到测量状态。Theseparameterscanbeexaminedbutcannotbemodified.Ifthereisnokeypressedcontinuouslyfor5seconds,theinstrumentreturnstothemeasuringstate..修改参数的方法(见操作流程图Methodsformodifyingparameters(SeeOperationflowchart当仪器处于测量状态时，按下#键大于15秒钟，仪器I数码管右下角显示小数点,II数码管显示提示符^,按#键后显示C1的数值，再按AV键可以修改C1的数值,按下#键进入下一个提示符C2,再按下#©显示C2的数值，按八V键可以修改C2的数值，依此类推……Whentheinstrumentisatthemeasuringstate,holdKey#forabout15seconds,adecimalwillbedisplayedatthebottomrightcorneroftheDigitalTubeIoftheinstrumentandtheindicationsymbolC1willbedisplayedontheDigitalTubeII.ValueofC1willbedisplayedafterpressing