ABB REL670 - Page 12

Back-up protection functions
IEC 61850 or
function name
ANSI Function description Line Distance
REL670
(Customized)
REL670 (A41) REL670 (A42)
REL670 (B42)
REL670 (D42)
Current protection
PHPIOC 50 Instantaneous phase overcurrent protection 0-3 1 1 1 1
OC4PTOC
51_67
1)
Directional phase overcurrent protection, four steps 0-3 1 1 1 1
EFPIOC 50N Instantaneous residual overcurrent protection 0-3 1 1 1 1
EF4PTOC 51N
67N
2)
Directional residual overcurrent protection, four
steps
0-3 1 1 1 1
NS4PTOC 46I2 Four step directional negative phase sequence
overcurrent protection
0-2 1 1 1 1
SDEPSDE 67N Sensitive directional residual overcurrent and power
protection
0-1 1 1-C16 1-C16 1-C16
LCPTTR 26 Thermal overload protection, one time constant,
Celsius
0-2 1 1 1 1
LFPTTR 26 Thermal overload protection, one time constant,
Fahrenheit
0-2 1 1 1 1
CCRBRF 50BF Breaker failure protection 0-2 1 1 2 1
STBPTOC 50STB Stub protection 0-2 1 1 1B
1-B27
1
CCPDSC 52PD Pole discordance protection 0-2 1 1 2 1
GUPPDUP 37 Directional underpower protection 0-2 1-C39 1-C39 1-C39
GOPPDOP 32 Directional overpower protection 0-2 1-C39 1-C39 1-C39
BRCPTOC 46 Broken conductor check 1 1 1 1 1
VRPVOC 51V Voltage restrained overcurrent protection 0-3 1 1 1 1
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
ROV2PTOV 59N Two step residual overvoltage protection 0-2 1 1 1 1
OEXPVPH 24 Overexcitation protection 0-1 1-D03 1-D03 1-D03
VDCPTOV 60 Voltage differential protection 0-2 2 2 2
LOVPTUV 27 Loss of voltage check 1 1 1 1 1
PAPGAPC 27 Radial feeder protection 0-1
Frequency protection
SAPTUF 81 Underfrequency protection 0-6 1B
3-E04
1B
3-E04
1B
3-E04
1B
3-E04
1MRK 506 372-BEN -
Line distance protection REL670 2.2
Product version: 2.2
12 ABB