Simulatedcircuitbreakerfunctionandwiring1Thefunctionofsimulatedcircuitbreaker2TheuseofsimulatedcircuitbreakersCONTENTS3Thewiringofsimulatedcircuitbreakers4ExampleofthesimulatedcircuitbreakertestCONTENTSThefunctionofsimulatedcircuitbreaker01ThefunctionofsimulatecircuitbreakerThesimulatedcircuitbreakerisusedinconjunctionwiththetesterandtheprotectiondevicetoreplacetheactualcircuitbreaker,andcancarryoutthewholegrouptransmissiontestoftheprotectiondevicetrippingandclosingthecircuitbreaker.Theuseofsimulatedcircuitbreakers02Theuseofsimulatedcircuitbreakers1.operationpanelAnalogoftheuseofcircuitbreakers2.Power-oninspectionConnecttothe220VACworkingpowersupply,closethepowerswitch,afterafewseconds,thecircuitbreakersimulationdeviceisinthetripstate,thethree-phasetrippositionlight(greenlight)onthepanelison,andthereisanalarmsound.Analogoftheuseofcircuitbreakers3.ManualclosingandtrippingManualclosingandmanualtrippingbuttonsareusedbytesterstosimulatethefunctionofthecircuitbreakercontrolswitchtoperformmanualclosingandmanualtrippingoperationsofthecircuitbreaker.Pressthe"Manualclosing"buttontoclosethesimulatedcircuitbreaker,withthethree-phaseclosingpositionlight(redlight)on;Pressthe“Manualtripping”buttontobreakthesimulatedcircuitbreaker,withthethree-phasetrippositionlight(greenlight)on.Analogoftheuseofcircuitbreakers3.ManualclosingandtripTheinputterminalofthetripandclosesignalisequivalenttothetripandclosecoilcircuitoftheactualcircuitbreaker.Inpracticalapplication,itreplacestheactualcircuitbreakertoconnectwiththetripandcloseoutletoftheprotectiondeviceorcontrolcircuit.Analogoftheuseofcircuitbreakers3.ManualclosingandtripWhenpressingthebuttonwithlighted"breakerfailure",theredlightof"breakerfailure"flashes,thesimulatedcircuitbreakerisinfailurestate.Addthetripandclosecurrentthesimulatedcircuitbreakerdoesnotact.Afteradelayof2s,thetripandclosecurrentisautomaticallycutoff.Afteranother20sdelay,thetripandclosecircuitisautomaticallyreconnected.Analogoftheuseofcircuitbreakers3.ManualclosingandtripTheoutputconnectorreflectstheactionstateofthesimulatedcircuitbreaker,whichcanbeconnectedtotheinputterminaloftheprotectiondeviceortesteraccordingtothetestneeds.Thewiringofsimulatedcircuitbreakers03ThewiringofsimulatedcircuitbreakersSimulatedcircuitbreakercooperateswithtestinstrumentandprotectiondeviceforthewholetransmissiontestwiringdiagramExampleofthesimulatedcircuitbreakertest04ExampleofthesimulatedcircuitbreakertestUsePSS01(B)circuitbreakersimulationdevicetotestthewholesetofdistanceprotectiontestandfailureprotectionofSifangCSL-101B.(ThecircuitterminalnumbersaretheterminalnumbersontherearpaneloftheCSL-101Bprotectiondevice).Exampleofthesimulatedcircuitbreakertesttestprocedure:Step1:Thecircuitbreakertripandclosingcontrolwiringoftheprimaryequipmentiswithdrawnfromthecontrolloopandconnectedtothesimulatedcircuitbreaker.Step2:Wiring.Step3:Setthetrippingandclosingtimeofthesimulatedcircuitbreakerandthecurrentvalueofthetrippingandclosingcoil,accordingtothetrippingandclosingtimeoftheprimaryequipmentcircuitbreakerandthecurrentvalueofthetrippingandclosingcoil.Step4:Closethesimulatedcircuitbreakerwiththecontrolswitchinthecircuitorthe"manualclosing"buttonofthesimulatedcircuitbreaker.Step5:Thewholesetoft