ABB Relion REL650 Series Product Manual page 11

Line distance protection REL650
Version 2.2
Back-up protection functions
IEC 61850 or ANSI
function name
Current protection
PHPIOC 50
OC4PTOC 1)
51_67
EFPIOC 50N
EF4PTOC 51N
2)
67N
NS4PTOC 46I2
SDEPSDE 67N
LCPTTR 26
LFPTTR 26
TRPTTR 49
CCRBRF 50BF
STBPTOC 50STB
CCPDSC 52PD
BRCPTOC 46
VRPVOC 51V
APPTEF 67NT
BRPTOC 50
Voltage protection
UV2PTUV 27
OV2PTOV 59
ROV2PTOV 59N
LOVPTUV 27
Frequency protection
SAPTUF 81
SAPTOF 81
SAPFRC 81
1) 67 requires voltage
2) 67N requires voltage
Hitachi Power Grids
Function description
Instantaneous phase overcurrent protection
Directional phase overcurrent protection, four steps
Instantaneous residual overcurrent protection
Directional residual overcurrent protection, four steps
Directional negative phase sequence overcurrent protection, four
steps
Sensitive directional residual overcurrent and power protection
Thermal overload protection, one time constant, Celsius
Thermal overload protection, one time constant, Fahrenheit
Thermal overload protection, two time constants
Breaker failure protection
Stub protection
Pole discordance protection
Broken conductor check
Voltage restrained overcurrent protection
Average power transient earth fault protection
Overcurrent protection with binary release
Two step undervoltage protection
Two step overvoltage protection
Residual overvoltage protection, two steps
Loss of voltage check
Underfrequency protection
Overfrequency protection
Rate-of-change of frequency protection
© 2017 - 2021 Hitachi Power Grids. All rights reserved
1MRK 506 384-BEN H
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v17
Line Distance
REL650 (A11) REL650 (A12)
1 1
1 1
1 1
1 1
1 1
1
1 1
1 1
1
1 1
1
1 1
1 1
1
1
1 1
1 1
1 1
1 1
1
1 1
1 1
1 1
11