vacuum circuit breaker with magnetic actuator mech...

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1、R-MAGVacuumCircuitBreakerwithMagneticActuatorMechanismR-MMAGFeatures:•Lowmaintenance•10,000mechanicaloperations(fivetimesANSIrequirements)•2,000operationsbetweenservicing(fourtimesANSIrequirements)•Simplemagneticactuator•Vacuuminterruption•Capacitorswitching•Environmentallyfriendlywithnogasor

2、oilinterruptingmedia•Noderatingofinterruptingcapabilityregardlessofreclosingcycle•ReactorswitchingR-MAGcircuitbreakershavebeenfullytestedtothemostrecentversionsofANSIC37.04,C37.06,C37.09andIEC62271.Availablefor15and27kVapplications,thisnextgenerationcircuitbreakerofferssolutionsformanyapplica

3、tions.2ABBR-MAG.Thecircuitbreaker.BreakerEvolution-Matchingoptimumtechnologies27kV15kVAlthoughmanyrefinementshavebeenmadethroughoutthe80yearhistoryoftheoutdoorcircuitbreaker,therehaveonlybeenthreegenerationsofcircuitbreakerdesign.Earlycircuitbreakermechanismswerespringchargedwithseparateclose

4、andtripspringsusedforoilbreakers.Thesecondgenerationofbreakersusedthissamemechanism,modifiedforvacuuminterruption.ThenewR-MAGgenerationofcircuitbreakersusesamagneticactuatormechanismwithvacuuminterrupters.Eachgenerationreflectsthebesttechnologyavailableatthetimeoftheirintroduction,buildingont

5、hestrengthsofpreviousdesigns,whileaddingnewinnovations.Althoughitiswellestablishedthatvacuuminterruptersarecapableofmorethan10,000operations,conventionalstoredenergymechanismsseldomoperatebeyond500operationswithoutmaintenance,re-lubrication,orreplacementofparts.Themaindisadvantageofstoredener

6、gymechanismsisthelargenumberofprecisionmovingpartsrequiredtoperformspringcharging,closingandtrippingfunctions.Conventionalstoredenergybreakersalsoplacelimitationsonthetypesofcontrolvoltagesallowed.TheR-MAGistrulythenextgenerationinmediumvoltagevacuumcircuitbreakertechnology.ABBisthefirsttocom

7、binetheuniquerequirementsofvacuuminterruptertechnologywithamagneticactuatordesignedtoexploitthesecapabilities.Usingaflux-shiftingdevicewithintegralpermanentmagnets,theR-MAGmechanismhasonlyonemovingpart.Withsimpleopenandclosecoils,anelectronic