LEM电流电压传感器说明书Word格式.docx
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LEM电流电压传感器说明书Word格式.docx
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2.5±
(0.625·
IP/IPNVIP=0
2.52VVREFVoltagereference(internalreference,refoutmode
2.53
V
Voltagereference(externalreference,refinmode
1.9..2.7
4
VN
SNumberofsecondaryturns(±
0.1%2000RLLoadresistance
≥2kΩCLMax.capacitiveloading
500pFRIM
Internalmeasuringresistance(±
0.5%50ΩTCRIMThermaldriftofRIM
<
50ppm/KVCSupplyvoltage(±
5%
5VIC
Currentconsumption@VC=5VTyp
28+IS5+(VOUT/RLmA
Accuracy-Dynamicperformancedata
X
Accuracy@IPN,TA=25°
C
±
0.2%AccuracywithRIM@IPN,TA=25°
C±
0.7%ε
L
Linearityerror
0.1
%
Max
TCVOUTThermaldriftofVOUT/VREF@IP=0-40°
C..+85°
C37.5ppm/K
TCεGThermaldriftofthegain-40°
C506ppm/KVOM
Residualvoltage@IP=0,afteranoverloadof3xIPN±
0.5mV
5xIPN±
2.0mV10xIPN±
2.0mV
TCVREFThermaldriftofinternalVREF@IP=0-10°
C50ppm/K
-40°
C..-10°
C100ppm/K
traReactiontime@10%ofIPN<
100nstr
Responsetime@90%ofIPN<
400nsdi/dtdi/dtaccuratelyfollowed>
60A/µ
sf
Frequencybandwidth(0..-0.5dBDC..100kHz
(-0.5..1dBDC..200kHzGeneraldata
TAAmbientoperatingtemperature
-40..+85°
CTSAmbientstoragetemperature-40..+100°
Cm
Mass
10
g
Standards
EN50178:
1997IEC60950-1:
2001
seeoverleaf.
Features
•Closedloop(compensatedmulti-rangecurrenttransducerusingtheHalleffect
•Unipolarvoltagesupply
•InsulatedplasticcaserecognizedaccordingtoUL94-V0
•CompactdesignforPCBmounting•Incorporatedmeasuringresistance•Extendedmeasuringrange•Accesstotheinternalvoltagereference
•
Possibilitytofeedthetransducerreferencefromexternalsupply.
Advantages
•Excellentaccuracy•Verygoodlinearity
•Verylowtemperaturedrift•Optimizedresponsetime•Widefrequencybandwidth•Noinsertionlosses
Highimmunitytoexternalinterference
•Currentoverloadcapability.
Applications
•ACvariablespeeddrivesandservomotordrives
•StaticconvertersforDCmotordrives•Batterysuppliedapplications
•UninterruptiblePowerSupplies(UPS•SwitchedModePowerSupplies(SMPS•
Powersuppliesforweldingapplications.
IPN=25At
Copyrightprotected.
ApplicationDomain
•Industrial.
Page2/3
Isolationcharacteristics
VdR.m.s.voltageforACisolationtest,50/60Hz,1mn3
kVwImpulsewithstandvoltage1.2/50µ
s
>
8kVMinVeR.m.s.voltageforpartialdischargeextinction@10pC>
1.5kVMindCpCreepagedistance715.35mmdClClearancedistance8
6.2mm
CTI
ComparativeTrackingIndex(GroupIIIa
175
Applicationexamples
AccordingtoEN50178andIEC61010-1standardsandfollowingconditions:
•OvervoltagecategoryOV3•PollutiondegreePD2Safety
Thistransducermustbeusedinelectric/electronicequipmentwithrespecttoapplicablestandardsandsafetyrequirementsinaccordancewiththefollowingmanufacturer'
soperatinginstructions.
Caution,riskofelectricalshock
Whenoperatingthetransducer,certainpartsofthemodulecancarryhazardousvoltage(eg.primarybusbar,powersupply.
Ignoringthiswarningcanleadtoinjuryand/orcauseseriousdamage.
Thistransducerisabuilt-indevice,whoseconductingpartsmustbeinaccessibleafterinstallation.
Aprotectivehousingoradditionalshieldcouldbeused.Mainsupplymustbeabletobedisconnected.
Notes
1
OnlyinrefoutmodeorwithexternalREFlessthan2.525Vandgreaterthan2.475V.ForexternalREFoutoftheselimitsseeleaflet.2
VOUTislinkedtoVREF,byconceptionthedifference
betweenthesetwonodesforIP=0ismaximum±
25mV,2.475V<
VOUT<
2.525V.3
InRefoutmodeatTA=25°
C,2.475V<
VREF<
2.525V.
Theminimalimpedanceloadingtherefpinshouldbe>
220kΩ.Internalimpedance=600Ω.FormostapplicationsyouneedtobufferthisoutputtofeeditintoanADCforexample.4
TooverdrivetheREF(1.9V..2.7Vmax.±
1mAisneeded.5
Pleaseseetheoperationprincipleontheotherside.6
OnlyduetoTCRIM.7Onhousing.8
OnPCBwithsolderingpatternUTEC93-703.
Page3/3
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- LEM 电流 电压 传感器 说明书