ABB REG670 - Page 9

Back-up protection functions
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v13
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 Four step directional negative phase sequence
overcurrent protection
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
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
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 Two step residual overvoltage protection 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
Frequency protection
SAPTUF 81 Underfrequency protection 0-6 3 6 6
SAPTOF 81 Overfrequency protection 0-6 3 6 6
1MRK 502 074-BEN A
Generator protection REG670 2.2 and Injection equipment REX060,
REX061, REX062
Product version: 2.2.1
ABB 9