ABB RER670 - Back-Up Protection Functions

IEC 61850 or
function name
ANSI Function description Railway
RER670
Differential protection
REFPDIF 87N Restricted earth fault protection, low impedance 2-A50
1-B60
T1PPDIF 87T Transformer differential protection, two windings 2-A50
Impedance protection
ZCVPSOF Automatic switch onto fault logic, voltage and current based 1-B60
ZGTPDIS 21T Underimpedance protection for generators and transformers 2-A50
1-B60
ZRWPDIS 21 Distance protection, quadrilateral characteristic 1-B60
2.3 Back-up protection functions
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v13
IEC 61850 or
function name
ANSI Function description Railway
RER670
Current protection
PHPIOC 50 Instantaneous phase overcurrent protection 2-C61
D2PTOC 51_67 Directional phase overcurrent protection, two steps 8-C61
EFRWPIOC 50N Instantaneous residual overcurrent protection 1-C61
EF2PTOC 51N
67N
1)
Directional residual overcurrent protection, two steps 3-C61
SDEPSDE 67N Sensitive directional residual overcurrent and power
protection
1-C61
LPTTR 26 Thermal overload protection, one time constant 2-C61
CCRWRBRF 50BF Breaker failure protection 2-C61
BRPTOC 50 Overcurrent protection with binary release 8-C61
TPPIOC 64 Transformer tank overcurrent protection 1-A50
1-B60
Voltage protection
U2RWPTUV 27 Undervoltage protection, two steps 2-C61
O2RWPTOV 59 Overvoltage protection, two steps 2-C61
Table continues on next page
1MRK 506 375-UEN A Section 2
Application
Railway application RER670 2.2 IEC 27
Application manual