Current Protection; Voltage Protection; Frequency Protection - ABB REL650 Product Manual

Line distance protection REL650 2.2
Product version: 2.2.1
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
CCRBRF 50BF
CCPDSC 52PD
VRPVOC 51V

Voltage protection

UV2PTUV 27
OV2PTOV 59
ROV2PTOV 59N

Frequency protection

SAPTUF 81
SAPTOF 81
SAPFRC 81
1) 67 requires voltage
2) 67N requires voltage
8
Function description
Instantaneous phase overcurrent protection
Directional phase overcurrent protection, four steps
Instantaneous residual overcurrent protection
Directional residual overcurrent protection, four steps
Four step directional negative phase sequence overcurrent
protection
Sensitive directional residual overcurrent and power protection
Thermal overload protection, one time constant, Celsius
Thermal overload protection, one time constant, Fahrenheit
Breaker failure protection
Pole discordance protection
Voltage restrained overcurrent protection
Two step undervoltage protection
Two step overvoltage protection
Two step residual overvoltage protection
Underfrequency protection
Overfrequency protection
Rate-of-change of frequency protection
1MRK 506 384-BEN A
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v13
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
ABB