3.3.2 FunctionsTable 9:Functions included in the REF615 standard configuration with directional earth-faultprotectionFunction IEC 61850 IEC ANSIThree-phase non-directional overcurrentprotection, low stagePHLPTOC1 3I> 51P-1Three-phase non-directional overcurrentprotection, high stage, instance 1PHHPTOC1 3I>> (1) 51P-2 (1)Three-phase non-directional overcurrentprotection, high stage, instance 2PHHPTOC2 3I>> (2) 51P-2 (2)Three-phase non-directional overcurrentprotection, instantaneous stagePHIPTOC1 3I>>> 50P/51PArc protection ARCSARC1ARCSARC2ARCSARC3ARC (1)ARC (2)ARC (3)50L/50NL (1)50L/50NL (2)50L/50NL (3)Directional earth-fault protection, low stage,instance 1DEFLPDEF1 I0> → (1) 67N-1 (1)Directional earth-fault protection, low stage,instance 2DEFLPDEF2 I0> → (2) 67N-1 (2)Directional earth-fault protection, high stage DEFHPDEF1 I0>> → 67N-2Transient/intermittent earth-fault protection INTRPTEF1 I0> → IEF 67NIEFNon-directional earth-fault protection, highstage, calculated I0 current (Double earth-faultprotection)EFHPTOC1 I0>> 51N-2Negative-sequence overcurrent protection,instance 1NSPTOC1 I2> (1) 46 (1)Negative-sequence overcurrent protection,instance 2NSPTOC2 I2> (2) 46 (2)Phase discontinuity PDNSPTOC1 I2/I1> 46PDThree-phase inrush detector INRPHAR1 3I2f> 68Three-phase thermal protection for feeders,cables and distribution transformersT1PTTR1 3Ith> 49FAutoreclosure DARREC1 O → I 79Circuit breaker failure protection CCBRBRF1 3I>/I0>BF 51BF/51NBFMaster Trip TRPPTRC1TRPPTRC2Master Trip (1)Master Trip (2)94/86 (1)94/86 (2)Trip circuit supervision, instance 1 TCSSCBR1 TCS (1) TCM (1)Trip circuit supervision, instance 2 TCSSCBR2 TCS (2) TCM (2)Disturbance recorder RDRE1 - -Three-phase current measurement CMMXU1 3I 3ISequence current measurement CSMSQI1 I1, I2, I0 I1, I2, I0Residual current measurement RESCMMXU1 I0 InResidual voltage measurement RESVMMXU1 U0 Vn1MRS756378 D Section 3REF615 variantsREF615 35Application Manual
