Table of Contents
Advertisement
Line distance protection REL670
Version 2.2
Back-up protection functions
IEC 61850 or
ANSI
function name
Current protection
PHPIOC
50
OC4PTOC
51_67
EFPIOC
50N
EF4PTOC
51N_67N
NS4PTOC
46I2
SDEPSDE
67N
LCPTTR
26
LFPTTR
26
CCRBRF
50BF
STBPTOC
50STB
CCPDSC
52PD
GUPPDUP
37
GOPPDOP
32
BRCPTOC
46
VRPVOC
51V
APPTEF
67NT
BRPTOC
50
Voltage protection
UV2PTUV
27
OV2PTOV
59
18
Function description
Instantaneous phase
overcurrent protection
Directional phase overcurrent
1)
protection, four steps
Instantaneous residual
overcurrent protection
2)
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
Breaker failure protection
Stub protection
Pole discordance protection
Directional underpower
protection
Directional overpower
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
© 2017 - 2022 Hitachi Energy. All rights reserved
Line Distance
REL670
(Customized)
0-3
1
0-3
1
0-3
1
0-3
1
0-2
1
0-2
1
0-2
1
0-2
1
0-2
1
0-2
1
0-2
1
0-2
0-2
2
1
0-3
1
0-2
1
0-3
1
0-2
1
0-2
1
1MRK 506 372-BEN Q
GUID-06D023C0-3F72-4D89-A0A5-F4B452234B7B v1
1
1
1
1
1
1
1
1
1
1
1-C16
1-C16
1-C16
1
1
1
1
1
2
1
1B
1-B27
1
2
1-C39
1-C39
1-C39
1-C39
1-C39
1-C39
1
1
1
1
1
1
1
1
1
1
Hitachi Energy
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Advertisement
Table of Contents
