ABB Relion 620 Series - Page 19

Function IEC 61850 IEC 60617 IEC-ANSI
Three-phase undervoltage
protection, instance 1
PHPTUV1 3U< (1) 27 (1)
Three-phase undervoltage
protection, instance 2
PHPTUV2 3U< (2) 27 (2)
Three-phase undervoltage
protection, instance 3
PHPTUV3 3U< (3) 27 (3)
Three-phase overvoltage protection,
instance 1
PHPTOV1 3U> (1) 59 (1)
Three-phase overvoltage protection,
instance 2
PHPTOV2 3U> (2) 59 (2)
Three-phase overvoltage protection,
instance 3
PHPTOV3 3U> (3) 59 (3)
Positive-sequence undervoltage
protection, instance 1
PSPTUV1 U1< (1) 47U+ (1)
Positive-sequence undervoltage
protection, instance 2
PSPTUV2 U1< (2) 47U+ (2)
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)
Table continues on next page
1MRS757660 A Section 1
Introduction
RET620 13
Point List Manual