Egic-高压隔离开关选型手册

HighVoltagedisconnectorsThespecialistsMembersofgroupAsspecialists,wehavebeendedicatedtoonesingleactivityforoverthepastseveraldozenyears:theHVdisconnectorAsthesafetydeviceattheheartofeachsubstation,thedisconnectormust:cpreservetheinsulationofthenetwork’s2parts,eveninthecaseofexceptionalevents(earthquakes,short-circuits,operationover-voltages,lightning)duetothenetworkortoweatherconditionscbecapableofoperatinginthemostextremeenvironmentalconditions.Itsdependabilityisthusprimordial,onlyaspecialistcanguaranteeyouthis.Therangeisthelargestonthemarket:7typesofdevicesfrom36to800kVandfrom1250to6300A,notcountingoccasionaladaptations.Trustworthytechnology…SwitchgeargenerallyconformstoIECstandards.SomeversionsarealsoANSIcompliantandadaptationstootherstandardsarepossible.ConductivematerialscAluminium:castingsandactiveparts.cBareorsilver-platedcopperforcontactsandHVterminals.Optimisedprotection:severalproceduresusedcRustproofnessofthematerial.cHotdipgalvanization.cZincironalloyelectrogalvanizing.c800hoursofsuccessfultestingforsaltymistonoperatingmechanismsathightechnology’sservice.cOptimisedcontactpressuretolimitcontactresistance,tocountershort-circuitelectrodynamicstresseswhilelimitingtheoperatingtorque.Aspringforeachcontactfingerforapermanentpointcontact.cContactsdesignedtotightenundertheeffectofhighcurrentflow.Demandingofourselves,demandingofoursupplypartnersCentredaroundthedesign,assemblyandfactoryreceptionprocess,thecomponentproductionprocessisassignedtoournetworkofsupplypartners.ThelargemajorityofthemhasISO9001certificationandallofthemmeetourinternalqualitycriteria:in-houseQAcertification,componentcontrolinallcases.Individualtestsallalongtheassemblyprocessallowmaterialtobeverifiedandapproved(measurementofvoltagedrops,mechanicaltests,etc.).Lastly,receptiontests,whichareconductedinyourpresence,guaranteethatourdisconnectorscorrespondtoyourexpectations.CoelmeandEgic:Performancesthatcanbeimproveduponrequest.ControllingharshenvironmentsIcethicknessupto20mmoperationupto-50°CProtectionofmaterialsinharshenvironmentsEarthquakebehaviourasinSouthAmericanstandardsIP55protectionand50°CunderhotandwindyenvironmentsMechanicaltestsupto10000operations/1millionoscillations±5°AcompleterangeofchoicesthatcorrespondtoeachneedDisconnectors:Manualormotorisedoperation,with3-pole(ingeneraluptoandincluding245kV,non-restrictive)or,simultaneousorindependent1-pole,control.Makingandbreakingofbusbartransfercurrentsupto1600AasintheIEC61128standard,withthepossibilityofextendingupto3200A.Breakingofsmallmagnetisingandinductivecurrentsof0.5AasintheIEC60129standardwiththepossibilityofextendingupto10Abyaddingarcingcontacts.HorizontalbreakVerticalreachVerticalbreakSeparationof2conductorsSeparationof2stackedSeparationof2conductorsofthesamelevelconductorsofthesameleveldisconnectortypecentrebreakdouble-sidebreakpantograph1armpantographverticalbreakverticalbreakkneetype36kVccc72-100kVcccc123kVcccc145-170kVccccc245kVccccc300-420-550kVccccc800kVccratedcurrent400040004000400040006300uptoshort-circuitcurrent50kA/3sec75kA/3sec63kA/3sec63kA/3sec63kA/3sec75kA/3secuptoadvantagesceconomicalcreducedphasecultracompactcthemostcreducedphasecreducedphaseandversatiletophaseclearancedevicecompactofalltophasetophaseclearancecthemostsoldcsturdydisconnectorsclearanceandverticalintheworld(forcesonchighprecisiondimensionsterminals,mechanicsclowoperatingshort-circuit,ice)chighconnectiontimelatitudechighprecisionmechanicsdisadvantageschighphasetochighercostschighverticalphaseclearanceandrequireddimensionsinandlimitedforcestorquethancentreopenpositiononterminalsbreakdisconnectorStand-aloneearthing72-100-123kV145-170kV245kV300-420-550kVshortcircuitcurrentupto75kA/3sthespecialistsofdisconnectorEarthingthatiseitherstand-aloneorlinkedtothedisconnector:manualormotorisedoperationfor1or2earthing(s)perdisconnector,even3(dependingontheconfiguration).MakingandbreakingofinducedcurrentsasintheIEC61129classBstandard.Ourgoal:yoursatisfactionContinuedqualityserviceservesleadingedgeR&DtechnologyCoelmeandEgic,asrecogniseddisconnectordesigners,haveenteredintoalonglastingperiodofinnovativedynamicsthatallowsthemtodesigndisconnectorsthatarelessandlesscostly.Overthepastyears,specialefforthasbeentakenbyourdevelopmentcentres,locatedinVenice,Italy,andinLyon,France,todevelopnewdevicesandexpandranges.OurdevelopmentseeksmainsupportfromtheindependentlaboratoryVOLTA(LEDandSGEP-DTL&HPTS)andSVEPPIfor:cdielectrictests:wavegeneratorsupto3600kV,industrialfrequencytestsupto1200kVchighpowertestsupto2000MVAcclimaticchamber:230m3from-65to+85°C.AnswerstoyourserviceneedsInstallationOuronsiteinterventionteamsoffertoerect,testandcommissiondevicesuponrequest.Newequipmentscanbeinstalledorequipmentsbeingusedcanbeupgraded.AftersalesserviceTraditionalaftersalesactivity:creplacementparts,exchange,repairscassistancecpreventivemaintenanceProcessingspecialrequests:crefurbishmentorupgradingoflivepartscmotorizationofmanuallyoperateddevicesmanufacturedbyourselvesorotherscreplacementofinsulatorsforpollutionlevelimprovementcadditionofbusbar