Back-Up Protection Functions; Current Protection; Voltage Protection - ABB RET670 Product Manual

Transformer protection RET670 2.0
Product version: 2.0

Back-up protection functions

IEC 61850 ANSI

Current protection

PHPIOC 50
OC4PTOC
1)
51_67
EFPIOC 50N
EF4PTOC 51N
2)
67N
NS4PTOC 46I2
SDEPSDE 67N
LCPTTR 26
LFPTTR 26
TRPTTR 49
CCRBRF 50BF
CCPDSC 52PD
GUPPDUP 37
GOPPDOP 32
BRCPTOC 46
CBPGAPC
NS2PTOC 46I2
VRPVOC 51V

Voltage protection

UV2PTUV 27
OV2PTOV 59
ABB
Function description
Instantaneous phase
overcurrent protection
Four step phase overcurrent
protection
Instantaneous residual
overcurrent protection
Four step residual overcurrent
protection
Four step directional negative
phase sequence overcurrent
protection
Sensitive directional residual
overcurrent and power
protection
Thermal overload protection,
one time constant, Celsius
Thermal overload protection,
one time constant, Fahrenheit
Thermal overload protection,
two time constant
Breaker failure protection
Pole discordance protection
Directional underpower
protection
Directional overpower
protection
Broken conductor check
Capacitor bank protection
Negative sequence time
overcurrent protection for
machines
Voltage restrained overcurrent
protection
Two step undervoltage
protection
Two step overvoltage protection
Transformer
RET670
0-8 3
0-8 3
0-8 3
0-8 3
0-8 2-C42 2-C42
0-3 1 1-C16
0–2
0–2
0-6 1 1B
1-C05
0-6 3
0-2
0-2 1-C17
0-2 1-C17
1 1
0-6
0-2
0-3
0-3 1-D01 1B
1-D01
0-3 1-D01 1B
1-D01
1MRK 504 141-BEN C
2 2 3 3
2 2 3 3
2 2 3 3
2 2 3 3
2-C42 3-C43 3-C43
1-C16 1-C16 1-C16
1B 2B 2B
1-C05 1-C05 1-C05
2 4 3 6
1 2 1 2
1-C17 1-C17 1-C17
1-C17 1-C17 1-C17
1 1 1 1
1B 1B 1B
1-D01 2-D02 2-D02
1B 1B 1B
1-D01 1-D02 1-D02
2-C19
2-C19
2-C19
2-C19
2-C19
1-C16
1
2-D02
2-D02
13