3.2 Back-up protection functions
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v14
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
1-B70
Voltage protection
U2RWPTUV 27 Undervoltage protection, two steps 2-C61
O2RWPTOV 59 Overvoltage protection, two steps 2-C61
ROV2PTOV 59N Two step residual overvoltage protection 2-C61
Frequency protection
SAPTUF 81L Underfrequency protection 2-C61
1) 67N requires voltage
Section 3 1MRK 506 377-UEN C
Available functions
22 Railway application RER670 2.2 IEC
Commissioning manual