DDSY870型 電子式單相預付費系列電能表 TypeDDSY870Singlephaseelectronicrepaymentkilowatt-hourmeter概述本系列產(chǎn)品適合于實行先付電費后用電制度的場合進行單相交流有功電能的計量，可實現(xiàn)電量預購、最大負荷限制等功能，解決了供電部門收費的問題。產(chǎn)品性能符合GB/T17215-2002、GB/T18460.3-2001等標準，顯示方式可選（LED或LCD），具有壽命長、準確度高、過載性能好，功耗低和體積小等優(yōu)點。IntroductionTheseriesofproductsareapplicabletotheplacewherehaverulesofpayinginadvanceandthenconsumingtomeasuresinglephaseACactiveelectricalenergy,italsohasmultiplefunctions,suchaspurchasinginadvance,maximalloadlimiting,user sinformationmanagement.EachofperformationaccordswithGB/T17215-2002、GB/T18460.3-2001standard,displaymodecanbeselected(LEDorLCD),ithasmanyadvantages,suchaslongser vicelife、highaccuracy、goodoverload、lowconsumeandsmallvolume. 規(guī)格型號型號規(guī)格參比電壓（V）額定頻率（Hz）標定電流（A）儀表常數(shù)（imp/kw.h）DDSY87022050/601.5(6) 2.5(10)5(20)10(40)15(60)20(80)見銘牌標識 2.SpecificationsandtypesSpecificationsandtypesReferencevoltage（V）Ratedfrequency（Hz）Ratedcurrent（A）Meterconstant（imp/kw.h）DDSY87022050/601.5(6) 2.5(10)5(20)10(40)15(60)20(80)Asshowninnameplate 3.技術(shù)參數(shù)3.1電氣要求3.1.1精確度等級：1.0級，2.0級3.1.2正常工作電壓：0.9Un~1.1Un參比電壓3.1.3極限工作電壓：0.7Un~1.3Un參比電壓3.1.4絕緣電壓： 2000VAC3.1.5功率消耗： 2W3.1.6視在功率： 10VA3.1.7起動：電能表在參比電壓、參比頻率及功率因數(shù)為1的條件下，當負載電不充為0.4%lb（1級表）、0.5%lb（2表）時電能表應該連續(xù)計量電能。3.1.8潛動：當電壓回路加115%參比電壓，電流回路無電流時，電能表輸出的脈沖不多于1WH。3.1.9設(shè)計壽命： 10年3.Technicalparameter3.1Electricalrequired.3.1.1Accuracyrating：class1.0，class2.03.1.2Normalworkingvoltage：0.9Un~1.1Unreferencevoltage3.1.3Limitingworkingvoltage：0.7Un~1.3Unreferencevoltage3.1.4Isolationvoltage: 2000VAC3.1.5Powerconsumption: 2W3.1.6Apparentpower： 10VA3.1.7Start:Undertheconditionthatreferencevoltage,ratedfrequencyandpowerfactoris1,themeterwillrecordenergycontinuously.3.1.8Creeping:whenputon115%ratedvoltageinvoltagecircuit,andthereisnocurrentincurrentcircuit,thepulseoutputslessthan1wh.3.1.9Designedlife: 10years 3.2環(huán)境要求3.2.1正常工作溫度：－25℃-+60℃(三相)3.2.2極限工作溫度：－30℃-+70℃(三相)3.2.3儲運和運輸溫度：－45℃ +70℃3.2.4相對濕度：年平均小于80%3.2Environmentrequirements3.2.1Normalworkingtemperature：－25℃-+60℃(threephase)3.2.2Limitingworkingvoltage：－40℃ +70℃3.2.3TransportationandStoragetemperature：－45℃ +70℃3.2.4Relativehumidity(RH)：annualmeanshouldbelessthan80% 4、基本功能4.1雙向計度功能，能夠精確測量正、反兩個方向的功率，且以一個方向累計電量，具有防竊電功能；4.2采用光電隔離技術(shù)輸出電能脈沖信號，發(fā)光二極管指示用電；4.3先購電后用電，預購電量用完則斷電；4.4顯示屏輪流顯示使用電量和剩余電量；4.5辨?zhèn)喂δ埽寒斒褂梅侵付ń橘|(zhì)時，電能表不會接受指令，拒絕操作；4.6具有記憶功能，數(shù)據(jù)在斷電后不丟失，上電即可恢復；4.7具有警報功能：當預購電量小于設(shè)定電量時報警提醒用戶即時購電；可選功能：一次應急賒電功能、電價改寫功能、銷過戶功能、監(jiān)控用電負荷功能。4.Mainfunction4.1Thismeterhavefunctionoftwodirectionmeasurement,itcanaccuratelymeasurethepowerof forwarddirectionandreversedirection,besides,itaccumulatequantityofelectricitynonedirection,andanti-theft.4.2Adoptphotoelectricisolatedtechnology,whichoutputpulsesignal,powersupplywillbecaninstructedbylightemittingdiode.4.3Payinginadvanceandthenconsuming,whenthepurchasingelectricityhasbeenusedup,cutelectricityoff.4.4Candisplayusedelectricityandremainingpoweralternately.4.5Resolvingability:Whenusingunspecifiedmedium,themeterwillnotacceptorder,andrefusetomakeitsoperation.4.6Memoryfunction:whenpowerfailure,thedatawillnotbelost,itcanberecoveredwhenthereiselectricity.4.7Alarmfunction:whenelectricitypurchasedinadvanceislessthanpresetelectricity,itwillalarmusertopurchaseelectricityimmediatelyOptionalfunctions:supplyingelectricitytomeetanemergency(onetime),correctingelectricitypricesfunction,logingoutassignedfunction,monitoringelectricityloadfunction.5外形、安裝尺寸（單位：MM）5.1產(chǎn)品外形尺寸：229.5mm*145mm*73.5mm.可也按客戶提供的外殼進行模塊設(shè)計；5.2表計功能可根據(jù)客戶需求進行技術(shù)設(shè)計和開發(fā)。5.Outline,mountingdimensions（MM）5.1Outlinedimensions:229.5mm*145mm*73.5mm,theboxcanalsobedesignedbymodule5.2Measurementfunctioncanbedesignedbycustomers demandtodevelop