ST Omega 30 Manuale utente
TRANSFORMERSERIES:Omega30
OperatingManual
Indication
Functionaldescription
Safetyinstructions
Technicalparameters
Beforeinitialoperationweaskyoutopayfullattentiontotheseassemblinginstructionsinordertoguaranteethe
reliabilityandtoensuretheperformanceofthedevice.
CurrenttransformersofthemodelrangeOmegaareinductivesingleconductor-currenttransformersoperating
accordingtothetransformerprinciple.Duetotheapplicatedmeasuringprinciple,currenttransformersofthistype
mayonlybeinstalledinalternatingcurrent(AC)networks.
Inordertoavoidpersonalandmaterialdamagethefollowingassemblingsteps
mustbyperformedonlybyauthorised,qualifiedandtrainedpersonnel.
Ifthesecondarycircuitisoperatedwithoutaburden/load(open)highvoltages
mayappear.Thesevoltagevaluesaredangerousforpersonsaswellasforthe
functionalreliabilityofthecurrenttransformer.
Primarycurrent:30Ato4000A
Secondarycurrent:5A
Accuracyclass:(Standard)0.3,0.6,1.2
(NonStandard)1,2,3,2.4,4.8
Continuosthermalratingfactor:0.6,0.8,1,1.2,1.33,1.5,2
Ratedfrequency:60Hz
Ratedcontinuosthermal
current(standard):1,0xIn
Ratedshorttimethermal
currentIth:60xIn,1s(Max40kA)
Basicinsulationlevel:10kV
Placeof installation:Indoor
Altitude:upto2000m
Ambienttemperature:-30°Cto55
Itisforbiddentooperatethecurrenttransformerwithoutasecondary
circuit(open)!
+°C
Appliedstandards:IEEEC57.13
LowVoltage-CurrentTransformer-
Omega30Series
Subjecttochangewithoutnotice!
SifamTinsleyInstrumentationLtd.
CentralBuildings,WoodlandClose,
OldWoodsTradingEstate,
Torquey,Devan,England,TQ27BB
Website:www.sifamtinsley.com/uk
ContactNumber:+44(O)1803615139
E-mail:info@tinsley.co.uk
SifamTinsleyInstrumentation
3105,CreeksideVillageDrive,
SuiteNo801,Kennesaw,
Georgia30144
ContactNumber:+1.404.736.4903
Web:www.sifamtinsley.com
2-60-006-00-00592_Rev.A_01/2015
Assembly
1.Ensureasafeworkenvironmentduringassembly,maintenanceandinspectionoperations.Ifnecessaryinterrupt
thecurrentsupplyoftheprimaryconductorandtakeprecautionsagainstunintentionalswitching.
(i)ForWindowtypeCT:Barorcableprimaryinsertthroughprimarycableorbusbar&fixitusingmountingscrew
H1-H2:Directionofinputpowersupply
X1-X2:Directionofoutputpower
2.Connectthesecondarywiresofthecurrenttransformertothemeasuringdevice(amperemeter,energymeter).
Payattentiontotheinstallationguideofthemeasuringdevice.
3.Ifnecessary,startthecurrentsupplyagain.
4.Checkwhetherthecurrenttransformerisassembledcorrectlyandthesecondaryleadsareconnectedproperly.
L
NH1H2
X1X2RL
A
Wiringdiagram
Environmentalinstruction
Whentheproducthasreachedit´s“endoflife”,itmustberecycled.Passittoanelectricalwastedisposal.Donot
disposeasunsortedmunicipalwaste!
Thisproductwasdevelopedandmanufacturedin
accordancewiththeapplicableregulations
(IEEEC57.13)andmeetstherequirementsofthelow
voltageguideline2006/95/EG
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