ABB Relion 670 Series REL670 - 3.2 Back-up protection functions

3.2 Back-up protection functions
IEC 61850 ANSI Function description Line Distance
REL670 (Customized)
REL670 (A21) REL670 (A31) REL670 (B31) REL670 (A32) REL670 (B32)
Current protection
PHPIOC 50 Instantaneous phase
overcurrent protection
0-3 1 1 1 1 1
OC4PTOC
51_67
1)
Four step phase
overcurrent protection
0-3 1 1 1 1 1
EFPIOC 50N Instantaneous
residual overcurrent
protection
0-3
1 1 1 1 1
EF4PTOC 51N
67N
2)
Four step residual
overcurrent protection
0-3 1 1 1 1
NS4PTOC 46I2 Four step directional
negative phase
sequence overcurrent
protection
0-2
1-C41 1-C41 1-C41 1-C41
SDEPSDE 67N Sensitive directional
residual overcurrent
and power protection
0-1
1 1-C16 1-C16 1-C16 1-C16
LCPTTR 26 Thermal overload
protection, one time
constant, Celsius
0–2
1 1 1 1 1
LFPTTR 26 Thermal overload
protection, one time
constant, Fahrenheit
0–2
1 1 1 1 1
CCRBRF 50BF Breaker failure
protection
0-2 1 1 2 1 2
STBPTOC 50STB Stub protection 0-1 1 1
CCPDSC 52PD Pole discordance
protection
0-2 1 2 1 2
GUPPDUP 37 Directional
underpower protection
0-2 1-C17 1-C17 1-C17 1-C17
GOPPDOP 32 Directional overpower
protection
0-2 1-C17 1-C17 1-C17 1-C17
BRCPTOC 46 Broken conductor
check
1 1 1 1 1 1
VRPVOC 51V Voltage restrained
overcurrent protection
0-3
Voltage protection
UV2PTUV 27 Two step
undervoltage
protection
0-2
1 1 1 1
OV2PTOV 59 Two step overvoltage
protection
0-2 1 1 1 1
Table continues on next page
1MRK 506 355-UEN A Section 3
Available functions
Line distance protection REL670 2.1 IEC 31
Commissioning manual