Back-up protection functions
GUID-06D023C0-3F72-4D89-A0A5-F4B452234B7B v1
IEC 61850 or
function name
ANSI
Function description
Line Differential
RED670
(Customized)
RED670 (B33)
RED670 (A42)
RED670 (B42)
RED670 (C42)
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
0-1
1
1
1
1
EF4PTOC
51N_67N
2)
Directional residual overcurrent
protection, four steps
0-3
1
1
1
1
NS4PTOC
46I2
Directional negative phase
sequence overcurrent
protection, four steps
0-2
1
1
1
1
SDEPSDE
67N
Sensitive directional residual
overcurrent and power
protection
0-1
1-C16
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
2
1
2
1
STBPTOC
50STB
Stub protection
0-2
1B
1-B27
1
1B
1-B27
1
CCPDSC
52PD
Pole discordance protection
0-2
2
1
2
1
GUPPDUP
37
Directional underpower
protection
0-2
1-C35
1-C35
1-C35
1-C35
GOPPDOP
32
Directional overpower
protection
0-2
1-C35
1-C35
1-C35
1-C35
BRCPTOC
46
Broken conductor check
1
1
1
1
1
VRPVOC
51V
Voltage restrained overcurrent
protection
0-3
1-C35
1-C35
1-C35
1-C35
APPTEF
67NT
Average power transient earth
fault protection
0-1
1-C54
1-C54
1-C54
1-C54
BRPTOC
50
Overcurrent protection with
binary release
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
Line differential protection RED670
1MRK 505 379-BEN R
Version 2.2
16
Hitachi Energy
© 2017 - 2022 Hitachi Energy. All rights reserved
Содержание Relion 670 Series
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