ABB 1MRK002826-AG - Back-up protection functions; Current protection; Voltage protection

Back-up protection functions
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v16
IEC 61850 or
function name
ANSI Function description Generator
REG670
(Customized)
REG670 (A20)
REG670 (B30)
REG670 (C30)
Current protection
PHPIOC 50 Instantaneous phase overcurrent protection 0-4 1 2 2
OC4PTOC
51_67
1)
Directional phase overcurrent protection, four
steps
0-6 4 4 4
EFPIOC 50N Instantaneous residual overcurrent protection 0-2 1 2 2
EF4PTOC 51N
67N
2)
Directional residual overcurrent protection, four
steps
0-6 1 5 5
NS4PTOC 46I2 Directional negative phase sequence overcurrent
protection, four steps
0-2 1-C41 2-C42 2-C42
SDEPSDE 67N Sensitive directional residual overcurrent and
power protection
0-2 1-C16 1-C16 1-C16
TRPTTR 49 Thermal overload protection, two time constants 0-3 1 2 3
CCRBRF 50BF Breaker failure protection 0-4 2 4 4
CCPDSC 52PD Pole discordance protection 0-4 2 4 4
GUPPDUP 37 Directional underpower protection 0-4 2 4 4
GOPPDOP 32 Directional overpower protection 0-4 2 4 4
NS2PTOC 46I2 Negative sequence time overcurrent protection
for machines, two steps
0-2 1 1 1
AEGPVOC 50AE Accidental energizing protection for synchronous
generator
0-2 1 1 1
VRPVOC 51V Voltage restrained overcurrent protection 0-3 3-C36 3-C36 3-C36
GSPTTR 49S Stator overload protection 0-1 1 1 1
GRPTTR 49R Rotor overload protection 0-1 1-C38 1-C38 1-C38
APPTEF 67NT Average power transient earth fault protection 0-1 1-C54
Voltage protection
UV2PTUV 27 Two step undervoltage protection 0-2 2 2 2
OV2PTOV 59 Two step overvoltage protection 0-2 2 2 2
ROV2PTOV 59N Residual overvoltage protection, two steps 0-3 3 3 3
OEXPVPH 24 Overexcitation protection 0-2 1 1 2
VDCPTOV 60 Voltage differential protection 0-2 2 2 2
STEFPHIZ 59THD 100% stator earth fault protection, 3rd harmonic
based
0-1 1-D21 1 1
Generator protection REG670
1MRK 502 074-BEN M
Version 2.2
10 Hitachi Power Grids
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