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
Summary of Contents for RELION RER670
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