ABB RET620 - Page 58

Table 91. RET620 functions, codes and symbols, continued
Function IEC 61850 IEC 60617 IEC-ANSI
Negative-sequence overvoltage protection, instance 1 NSPTOV1 U2> (1) 47O- (1)
Negative-sequence overvoltage protection, instance 2 NSPTOV2 U2> (2) 47O- (2)
Frequency protection, instance 1 FRPFRQ1 f>/f<,df/dt (1) 81 (1)
Frequency protection, instance 2 FRPFRQ2 f>/f<,df/dt (2) 81 (2)
Frequency protection, instance 3 FRPFRQ3 f>/f<,df/dt (3) 81 (3)
Voltage per hertz protection, instance 1 OEPVPH1 U/f> (1) 24 (1)
Voltage per hertz protection, instance 2 OEPVPH2 U/f> (2) 24 (2)
Three-phase thermal overload protection for power
transformers, two time constants
T2PTTR1 3Ith>T (1) 49T (1)
Loss of phase (undercurrent), instance 1 PHPTUC1 3I< (1) 37F (1)
Loss of phase (undercurrent), instance 2 PHPTUC2 3I< (2) 37F (2)
Stabilized and instantaneous differential protection for
2-winding transformers
TR2PTDF1 3dI>T (1) 87T (1)
Numerical stabilized low impedance restricted earth-
fault protection, instance 1
LREFPNDF1 dIoLo> (1) 87NL (1)
Numerical stabilized low impedance restricted earth-
fault protection, instance 2
LREFPNDF2 dIoLo> (2) 87NL (2)
High impedance based restricted earth-fault
protection, instance 1
HREFPDIF1 dIoHi> (1) 87NH (1)
High impedance based restricted earth-fault
protection, instance 2
HREFPDIF2 dIoHi> (2) 87NH (2)
Circuit breaker failure protection, instance 1 CCBRBRF1 3I>/Io>BF (1) 51BF/51NBF (1)
Circuit breaker failure protection, instance 2 CCBRBRF2 3I>/Io>BF (2) 51BF/51NBF (2)
Three-phase inrush detector INRPHAR1 3I2f> (1) 68 (1)
Master trip, instance 1 TRPPTRC1 Master Trip (1) 94/86 (1)
Master trip, instance 2 TRPPTRC2 Master Trip (2) 94/86 (2)
Arc protection, instance 1 ARCSARC1 ARC (1) 50L/50NL (1)
Arc protection, instance 2 ARCSARC2 ARC (2) 50L/50NL (2)
Arc protection, instance 3 ARCSARC3 ARC (3) 50L/50NL (3)
Multipurpose analog protection, instance 1 MAPGAPC1 MAP (1) MAP (1)
Multipurpose analog protection, instance 2 MAPGAPC2 MAP (2) MAP (2)
Multipurpose analog protection, instance 3 MAPGAPC3 MAP (3) MAP (3)
Multipurpose analog protection, instance 4 MAPGAPC4 MAP (4) MAP (4)
Multipurpose analog protection, instance 5 MAPGAPC5 MAP (5) MAP (5)
Multipurpose analog protection, instance 6 MAPGAPC6 MAP (6) MAP (6)
Multipurpose analog protection, instance 7 MAPGAPC7 MAP (7) MAP (7)
Multipurpose analog protection, instance 8 MAPGAPC8 MAP (8) MAP (8)
Multipurpose analog protection, instance 9 MAPGAPC9 MAP (9) MAP (9)
Multipurpose analog protection, instance 10 MAPGAPC10 MAP (10) MAP (10)
Multipurpose analog protection, instance 11 MAPGAPC11 MAP (11) MAP (11)
Transformer Protection and Control 1MRS757846 A
RET620
Product version: 2.0
58 ABB