ABB relion REF615 Applications Manual

Also see for relion REF615: Applications manual Point List Manual Applications manual Operation manual Product guide

Contents

DPHHPDOC1BLOCKENA_MULTNON_DIROPERATESTARTDPHLPDOC1BLOCKENA_MULTNON_DIROPERATESTARTDPHLPDOC2BLOCKENA_MULTNON_DIROPERATESTARTOR6B1B2B3B4B5B6ODPHLPDOC2_OPERATEDPHLPDOC2_OPERATEDPHHPDOC1_OPERATEDPHHPDOC1_OPERATEDPHLPDOC1_OPERATEDPHLPDOC1_OPERATEDPHLPDOC1_STARTDPHLPDOC2_STARTDPHHPDOC1_STARTDPHxPDOC_OPERATEGUID-C07091F0-AAEA-403B-A72A-11912CD886C0 V1 ENFigure 223: Directional overcurrent protection functionThe upstream blocking from the start of the second low stage of three-phasedirectional overcurrent protection DPHLPDOC2 is connected to the binary outputX110:SO1. This output can be used for sending a blocking signal to the relevantovercurrent protection stage of the IED at the infeeding bay.OR6B1B2B3B4B5B6O UPSTEAM_OC_BLOCKINGDPHLPDOC2_STARTGUID-5EFA1CBD-DC1F-46F0-ABF2-D42054BB7BD7 V1 ENFigure 224: Upstream blocking logicThe output BLK2H of three-phase inrush detector INRPHAR1 enables either blockingthe function or multiplying the active settings for any of the available overcurrent orearth-fault function blocks.INRPHAR1BLOCK BLK2H INRPHAR1_BLK2HGUID-14BD5163-8EB0-4B61-8C4A-0DF50393EBA9 V1 ENFigure 225: Inrush detector functionTwo negative-sequence overcurrent protection stages NSPTOC1 and NSPTOC2 areprovided for phase unbalance protection. These functions are used to protect theSection 3 1MRS756378 SREF615 standard configurations172 REF615Application Manual