ABB Relion 670 Series Product Manual page 10

Generator protection REG670
Version 2.2
Back-up protection functions
IEC 61850 or ANSI
function name
Current protection
PHPIOC 50
OC4PTOC
1)
51_67
EFPIOC 50N
EF4PTOC 51N
2)
67N
NS4PTOC 46I2
SDEPSDE 67N
TRPTTR 49
CCRBRF 50BF
CCPDSC 52PD
GUPPDUP 37
GOPPDOP 32
NS2PTOC 46I2
AEGPVOC 50AE
VRPVOC 51V
GSPTTR 49S
GRPTTR 49R
APPTEF 67NT
Voltage protection
UV2PTUV 27
OV2PTOV 59
ROV2PTOV 59N
OEXPVPH 24
VDCPTOV 60
STEFPHIZ 59THD
10
Function description
Instantaneous phase overcurrent protection
Directional phase overcurrent protection, four
steps
Instantaneous residual overcurrent protection
Directional residual overcurrent protection, four
steps
Directional negative phase sequence overcurrent
protection, four steps
Sensitive directional residual overcurrent and
power protection
Thermal overload protection, two time constants
Breaker failure protection
Pole discordance protection
Directional underpower protection
Directional overpower protection
Negative sequence time overcurrent protection
for machines, two steps
Accidental energizing protection for synchronous
generator
Voltage restrained overcurrent protection
Stator overload protection
Rotor overload protection
Average power transient earth fault protection
Two step undervoltage protection
Two step overvoltage protection
Residual overvoltage protection, two steps
Overexcitation protection
Voltage differential protection
100% stator earth fault protection, 3rd harmonic
based
© Copyright 2017 Hitachi Power Grids. All rights reserved
1MRK 502 074-BEN M
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v16
Generator
REG670
(Customized)
0-4 1
0-6 4
0-2 1
0-6 1
0-2 1-C41
0-2 1-C16
0-3 1
0-4 2
0-4 2
0-4 2
0-4 2
0-2 1
0-2 1
0-3 3-C36
0-1 1
0-1 1-C38
0-1 1-C54
0-2 2
0-2 2
0-3 3
0-2 1
0-2 2
0-1 1-D21
2 2
4 4
2 2
5 5
2-C42 2-C42
1-C16 1-C16
2 3
4 4
4 4
4 4
4 4
1 1
1 1
3-C36 3-C36
1 1
1-C38 1-C38
2 2
2 2
3 3
1 2
2 2
1 1
Hitachi Power Grids