Current Protection; Voltage Protection - ABB Relion 670 series Product Manual

ABB
Line distance protection REL670 ANSI
Pre-configured
Product version: 1.2
Back-up protection functions
IEC 61850 ANSI Function description

Current protection

PHPIOC 50 Instantaneous phase overcurrent protection
OC4PTOC 51_67 Four step phase overcurrent protection
EFPIOC 50N Instantaneous residual overcurrent protection
EF4PTOC 51N_67 Four step residual overcurrent protection
N
NS4PTOC 46I2 Four step directional negative phase sequence overcurrent protection
LPTTR 26 Thermal overload protection, one time constant
CCRBRF 50BF Breaker failure protection
STBPTOC 50STB Stub protection
CCRPLD 52PD Pole discordance protection
BRCPTOC 46 Broken conductor check

Voltage protection

UV2PTUV 27 Two step undervoltage protection
OV2PTOV 59 Two step overvoltage protection
ROV2PTOV 59N Two step residual overvoltage protection
LOVPTUV 27 Loss of voltage check
Frequency protection
Multipurpose protection
1MRK 506 317-BUS A
Distance
REL670 (B32A)
1
1
3
1
1
1
2
1
2
1
1
1
1
1
7