6.10.2 FunctionalityConventional protection functions can not detect the broken conductor condition. Brokenconductor check BRCPTOC (46) function, consisting of continuous phase selectivecurrent unsymmetrical check on the line where the IED is connected will give alarm or tripat detecting broken conductors.6.10.3 Function blockANSI09000277-1-en.vsdBRCPTOC (46)I3P*BLOCKTRIPPICKUPANSI09000277 V1 ENFigure 62: BRCPTOC (46) function block6.10.4 SignalsTable 85:BRCPTOC (46) Input signalsName Type Default DescriptionI3P GROUPSIGNAL- Three phase group signal for current inputsBLOCK BOOLEAN 0 Block of functionTable 86:BRCPTOC (46) Output signalsName Type DescriptionTRIP BOOLEAN Operate signal of the protection logicPICKUP BOOLEAN Pickup signal of the protection logic6.10.5 SettingsTable 87:BRCPTOC (46) Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation DisabledEnabled- - Disabled Operation Disable / EnablePickup_ub 50 - 90 %IM 1 50 Unbalance current operation value in percentof max currentPickup_PH 5 - 100 %IB 1 20 Minimum phase current for operation ofpickup_ub> in % of IbasetOper 0.000 - 60.000 s 0.001 5.000 Operate time delaySection 6 1MRK 511 287-UUS ACurrent protection150Technical manual
