Hitachi RED670 - Back-Up Protection Functions

3.2 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
ROV2PTOV 59N Residual overvoltage
protection, two steps
0-2 1 1 1 1
Table continues on next page
1MRK 505 378-UEN Rev. K Section 3
Available functions
Line differential protection RED670 29
Commissioning manual
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