Back-up protection functions
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v10
IEC 61850
ANSI
Function description
Bay control
REC670
(Customized)
REC670 (A30)
REC670 (A31)
REC670 (B30)
REC670 (C30)
Current protection
PHPIOC
50
Instantaneous phase overcurrent
protection
0-6
1-C51
1-C51
2-C52
2-C53
OC4PTOC
51_67
1)
Four step phase overcurrent protection
0-6
1-C51
1-C51
2-C52
2-C53
EFPIOC
50N
Instantaneous residual overcurrent
protection
0-6
1-C51
1-C51
2-C52
2-C53
EF4PTOC
51N
67N
2)
Four step residual overcurrent protection
0-6
1-C51
1-C51
2-C52
2-C53
NS4PTOC
46I2
Four step directional negative phase
sequence overcurrent protection
0-6
1-C51
1-C51
2-C52
2-C53
SDEPSDE
67N
Sensitive directional residual overcurrent
and power protection
0-6
1-C16
1–C16
1-C16
1-C16
LCPTTR
26
Thermal overload protection, one time
constant, Celsius
0–6
1-C51
1-C51
1-C52
1-C53
LFPTTR
26
Thermal overload protection, one time
constant, Fahrenheit
0–6
1-C51
1-C51
1-C52
1-C53
TRPTTR
49
Thermal overload protection, two time
constant
0-6
1-C51
1-C51
1-C52
1-C53
CCRBRF
50BF
Breaker failure protection
0-6
1-C51
1-C51
1-C52
1-C53
STBPTOC
50STB
Stub protection
0-3
CCPDSC
52PD
Pole discordance protection
0-6
1
1
2
3
GUPPDUP
37
Directional underpower protection
0-2
1-C17
1-C17
1-C17
1-C17
GOPPDOP
32
Directional overpower protection
0-2
1-C17
1-C17
1-C17
1-C17
BRCPTOC
46
Broken conductor check
0-1
1
1
1
1
CBPGAPC
Capacitor bank protection
0-3
VRPVOC
51V
Voltage restrained overcurrent protection
0-3
Voltage protection
UV2PTUV
27
Two step undervoltage protection
0-2
2-D02
2-D02
2-D02
2-D02
OV2PTOV
59
Two step overvoltage protection
0-2
2-D02
2-D02
2-D02
2-D02
ROV2PTOV
59N
Two step residual overvoltage protection
0-2
2-D02
2-D02
2-D02
2-D02
VDCPTOV
60
Voltage differential protection
0-6
2
2
2
2
LOVPTUV
27
Loss of voltage check
0-2
1
1
1
2
Frequency protection
SAPTUF
81
Underfrequency protection
0-6
6-E01
6-E01
6-E01
6-E01
SAPTOF
81
Overfrequency protection
0-6
6-E01
6-E01
6-E01
6-E01
1MRK 511 361-BEN B
Bay control REC670 2.1 IEC
Product version: 2.1
ABB
9