CZX-12RIInterposingRelaySetInstructionManual(E

CZX-12RIInterposingRelaySetInstructionManualNanjingNari-RelaysElectricCo.,Ltd.CZX-12RIInterposingRelaySetNANJINGNARI-RELAYSELECTRICCO.,LTDiPrefaceBeforeusingthisproduct,pleasereadthischaptercarefully.Thischapterdescribesthesafetyprecautionsrecommendedwhenusingtheequipment.Beforeinstallingandusingtheequipment,thischaptermustbethoroughlyreadandunderstood.InstructionsandWarningsThefollowingindicatorsandstandarddefinitionsareused:DANGERmeansthatdeath,severepersonalinjury,orconsiderableequipmentdamagewilloccurifsafetyprecautionsaredisregarded.WARNINGmeansthedeath,severepersonal,orconsiderableequipmentdamagecouldoccurifsafetyprecautionsaredisregarded.CAUTIONmeansthelightpersonalinjuryorequipmentdamagemayoccurifsafetyprecautionsaredisregarded.Thisparticularlyappliestodamagetothedeviceandtoresultingdamageoftheprotectedequipment.WARNING!Thefirmwaremaybeupgradedtoaddnewfeaturesorenhance/modifyexistingfeatures,pleasemakesurethattheversionofthismanualiscompatiblewiththeproductinyourhand.WARNING!Duringoperationofelectricalequipment,certainpartsofthesedevicesareunderhighvoltage.Severepersonalinjuryorsignificantequipmentdamagecouldresultfromimproperbehavior.Onlyqualifiedpersonnelshouldworkonthisequipmentorinthevicinityofthisequipment.Thesepersonnelmustbefamiliarwithallwarningsandserviceproceduresdescribedinthismanual,aswellassafetyregulations.Inparticular,thegeneralfacilityandsafetyregulationsforworkwithhigh-voltageequipmentmustbeobserved.Noncompliancemayresultindeath,injury,orsignificantequipmentdamage.DANGER!Neverallowthecurrenttransformer(CT)secondarycircuitconnectedtothisequipmenttobeopenedwhiletheprimarysystemislive.OpeningtheCTcircuitwillproduceadangerouslyhighvoltage.WARNING!lExposedterminalsDonottouchtheexposedterminalsofthisequipmentwhilethepowerison,asthehighvoltagegeneratedisdangerousCZX-12RIInterposingRelaySetNANJINGNARI-RELAYSELECTRICCO.,LTDiilResidualvoltageHazardousvoltagecanbepresentintheDCcircuitjustafterswitchingofftheDCpowersupply.Ittakesafewsecondsforthevoltagetodischarge.CAUTION!lEarthTheearthingterminaloftheequipmentmustbesecurelyearthedlOperatingenvironmentTheequipmentmustonlybeusedwithintherangeofambientenvironmentdetailedinthespecificationandinanenvironmentfreeofabnormalvibration.lRatingsBeforeapplyingACvoltageandcurrentortheDCpowersupplytotheequipment,checkthattheyconformtotheequipmentratings.lPrintedcircuitboardDonotattachandremoveprintedcircuitboardswhenDCpowertotheequipmentison,asthismaycausetheequipmenttomalfunction.lExternalcircuitWhenconnectingtheoutputcontactsoftheequipmenttoanexternalcircuit,carefullycheckthesupplyvoltageusedinordertopreventtheconnectedcircuitfromoverheating.lConnectioncableCarefullyhandletheconnectioncablewithoutapplyingexcessiveforce.CopyrightVersion:CZX-12RIV1.00_060409Manual:V1.00P/N:EN_CZXL0112.0091.1101Copyright©NR2006.AllrightsreservedWereserveallrightstothisdocumentandtotheinformationcontainedherein.Improperuseinparticularreproductionanddisseminationtothirdpartiesisstrictlyforbiddenexceptwhereexpresslyauthorized.Theinformationinthismanualiscarefullycheckedperiodically,andnecessarycorrectionswillbeincludedinfutureeditions.Ifneverthelessanyerrorsaredetected,suggestionsforcorrectionorimprovementaregreatlyappreciated.Wereservetherightstomaketechnicalimprovementswithoutnotice.NANJINGNARI-RELAYSELECTRICCO.,LTD.99ShengtaiRd.Jiangning,Nanjing211100，ChinaTel:86-25-52127776,Fax:[phone]Website:www.nari-relays.comEmail:[e-mail]-12RIInterposingRelaySetNANJINGNARI-RELAYSELECTRICCO.,LTDiiiTableofContentsPrefaceiTableofContents...........................................................................................................................iiiChapter1Introduction.................................................................................................................11.1Application.............................................................................................................................11.2Features.................................................................................................................................11.3OrderingOptions..................................................................................................................1Chapter2TechnicalData.............................................................................................................2Chapter3OperationTheory........................................................................................................43.1SchemeticDigrams...............................................................................................................43.1.1Auto-ReclosingandManualClosingCircuit...............................................................43.1.2Phase-SegregatedClosingCircuit.............................................................................53.1.3Phase-SegregatedTripCircuit,Group1....................................................................63.1.4Phase-segregatedTripCircuit,Group2....................