Back-Up Protection Functions - ABB Relion 650 Series Technical Manual

1MRK 511 247-UUS B
2.2

Back-up protection functions

IEC 61850/ ANSI
Function block
name
Current protection
PHPIOC 50
OC4PTOC 51/67
EFPIOC 50N
EF4PTOC 51N/67
N
SDEPSDE 67N
LPTTR 26
CCRBRF 50BF
STBPTOC 50STB
CCRPLD 52PD
BRCPTOC 46
GUPPDUP 37
GOPPDOP 32
DNSPTOC 46
Voltage protection
UV2PTUV 27
OV2PTOV 59
ROV2PTOV 59N
LOVPTUV 27
Frequency protection
SAPTUF 81
SAPTOF 81
SAPFRC 81
Bay control REC650
Technical manual
Function description
Instantaneous phase overcurrent
protection
Four step directional phase
overcurrent protection
Instantaneous residual overcurrent
protection
Four step directional residual
overcurrent protection
Sensitive directional residual
overcurrent and power protection
Thermal overload protection, one time
constant
Breaker failure protection
Stub protection
Pole discordance protection
Broken conductor check
Directional underpower protection
Directional overpower protection
Negative sequence based overcurrent
function
Two step undervoltage protection
Two step overvoltage protection
Two step residual overvoltage
protection
Loss of voltage check
Underfrequency function
Overfrequency function
Rate-of-change frequency protection
© Copyright 2011 ABB Power Grids. All rights reserved
Bay
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 1 1
1 1 1
1 1 1
1 1 1
2 2 2
2 2 2
2 2 2
Section 2
Available functions
GUID-47D5EAC9-5F4A-4A3D-B813-4E50A2BCCDC3 v2.1.1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
37