DTS870、DSS870型 電子式三相有功電能表 概述DTS870/DSS870型電子式三相有功電能表主要用于精確計(jì)量額定頻率為50Hz的三相電網(wǎng)的正（反）向有功電能。產(chǎn)品具有可擴(kuò)展485通訊和紅外通訊功能，可實(shí)現(xiàn)遠(yuǎn)距離抄表，為用電自動(dòng)化管理提供了必備的條件，各項(xiàng)技術(shù)指標(biāo)符合GB/T17215 2002的要求。TypeDTS870、DSS870Threephaseelectronicactivekilowatt-hourmeter1.IntroductionThreephaseelectronicactivekilowatt-hourmeterisusedformeasuringratefrequency50Hzthreephasepowergridpositiveandreverseddirectionactiveenergy.Thismeteralsocanrealizereadmeteroverlongdistance,andalsoproviderequirementsforelectricautomationmanagement.ItstechnicalperformancearecompletelyconformtothestipulatedrequirementsofGB/T17215 2002.規(guī)格型號型號規(guī)格參比電壓（V）額定頻率（HZ）標(biāo)定電流（A）儀表常數(shù)（imp/kw.h）三相四線DTS8703 220/380501.5(6)~30(100)見銘牌標(biāo)識3 57.7/10050三相三線DSS8703 100503 38050 2.SpecificationsandtypesSpecificationsandtypesReferencevoltage（V）Ratedfrequency（HZ）Ratedcurrent（A）Meterconstant（imp/kw.h）ThreephasefourwireDTS8703 220/380501.5(6)~30(100)Asshowninnameplate3 57.7/10050ThreephasethreewireDSS8703 100503 38050 技術(shù)參數(shù)準(zhǔn)確等級 1.0級正常工作電壓：0.9Un~1.1Un極限工作電壓：0.7n~1.3UN電壓線路功耗：有功功率 1.0W，視在功率 6VA電流線路功耗：有功功率 1.0VA正常工作溫度：－25℃-+60℃極限工作溫度：－40℃ +70℃儲運(yùn)運(yùn)輸溫度：－45℃ +70℃相對濕度：小于95%3.TechnicalparameterAccuracyrating：class1.0Normalworkingvoltage：0.9Un~1.1UnLimitingworkingvoltage：0.7Un~1.3UNVoltageconsumption：activepower 1.0W，apparentpower 6VACurrentconsumption：activepower 1.0VA3.2EnvironmentalRequirementsNormalworkingtemperature：－25℃-+60℃Limitingworkingvoltage：－40℃ +70℃Transportationandstoragetemperature：－45℃ +70℃Relativehumidity(RH)：lessthan95% 4.主要功能計(jì)量正，反向交流有功電量，反向電量按正向計(jì)量缺相指示功能：某相缺相時(shí)相應(yīng)指示燈亮反相指示功能：合相有功功率為負(fù)數(shù)時(shí)相應(yīng)指示燈亮采用光電隔離技術(shù)輸出無源電能脈沖信號，發(fā)光二極管指示用電具有RS485通訊接口和紅外通訊口（可選）4.MajorfunctionMeasuretheACactiveenergyofpositivedirectionandreverseddirection,theenergyofreverseddirectionwillbemeasuredaccordingtopositivedirection.Phaseoffindicationfounction:whenphaseoff,theindicatorislitOppositephaseindicationfounction:whenactivepowershowanegativebalance,theindicatorislitAdoptphotoelectricisolatedtechnology,whichoutputpulsesignal,powersupplywillbecaninstructedbylightemittingdiode.HaveRS485CommunicationinterfaceandInfraredDataAssociation(optional).