ABB ARC GUARD SYSTEM™ - TVOC-2 17—Circuit diagramsCurrent Sensing UnitArc monitor236364535443443132342122241112147374B&U > 0AX1.X2.222110981-10IGBT K6 TripIGBT K5 TripIGBT K4 TripRelay K3 TripRelay K2 TripRelay K1 Trip765432110987654321X3.109876543211-101-10TripI >IRFA1+A3+A2-PE236364535443443132342122241112147374B&U > 0AX1.X2.222110981-10IGBT K6 TripIGBT K5 TripIGBT K4 TripRelay K3 TripRelay K2 TripRelay K1 Trip765432110987654321X3.1098765A1PEA2NL143211-101-10TripI >IRF1SFA6641001R1002 1SFA664001R1001 TVOC-2-48 1SFA6641001R1002 236364535443443132342122241112147374B&U > 0AX1.X2.222110981-10IGBT K6 TripIGBT K5 TripIGBT K4 TripRelay K3 TripRelay K2 TripRelay K1 Trip765432110987654321X3.109876543211-101-10TripI >IRFA1+A3+A2-PE236364535443443132342122241112147374B&U > 0AX1.X2.222110981-10IGBT K6 TripIGBT K5 TripIGBT K4 TripRelay K3 TripRelay K2 TripRelay K1 Trip765432110987654321X3.1098765A1PEA2NL143211-101-10TripI >IRF1SFA6641001R1002 1SFA664001R1001 TVOC-2-240 1SFA664001R1001Arc monitorTe rmi n a l sX1 1-10 Detector inputX2 1-10Extra detector unit detector input (option)X3 1-10Extra detector unit detector input (option)A1, A2Power supplyTVOC-2-48: A1, A2, A3Power supplyPEPower supply43, 44Solid-state contacts53, 54Solid-state contacts63, 64Solid-state contacts11, 12, 14Indication contacts21, 22, 24Indication contacts31, 32, 34Indication contactsCurrent Sensing UnitTe rmi n a l s1 ... 6Current transformer terminals7 and 8Output current signal to another Current Sensing Unit or Arc monitor9Input current signal from another Current Sensing UnitPower supply terminals10 and 1224 V DC11 and 1260 V DC11 and 1248 V DC Interconnection 11-1313 and 12110 V - 125 V AC / DC14 and 12220 V DC, 230 V ACA) Testing facilities:R29Simulating a test currentS11 = Test position 2 = Operation positionV22RedON = S1 in test position OFF = S1 in operation positionB) Setting facilities:R21Overcurrent settingS21 = Input 9 not used 2 = Input 9 usedV27Ye llowON = Load current less than 70% of set overcurrent level OFF = Load current more than 70% of overcurrent levelV29GreenON = Load current less than set overcurrent level OFF = Load current more than set overcurrent levelX) Current range bridge connections1A:24-17, 25-20, 26-232A:24-16, 25-19, 26-225A:24-15, 25-18, 26-21
