ABB RELION 670 SERIES REG670 - Back-Up Protection Functions

2.3 Back-up protection functions
GUID-A8D0852F-807F-4442-8730-E44808E194F0 v13
IEC 61850 or
function name
ANSI Function description
REG670 (Customized)
Current protection
PHPIOC 50 Instantaneous phase overcurrent protection 0-4
OC4PTOC
51_67
1)
Directional phase overcurrent protection, four steps 0-6
EFPIOC 50N Instantaneous residual overcurrent protection 0-2
EF4PTOC 51N
67N
2)
Directional residual overcurrent protection, four steps 0-6
NS4PTOC 46I2 Four step directional negative phase sequence overcurrent
protection
0-2
SDEPSDE 67N Sensitive directional residual overcurrent and power protection 0-2
TRPTTR 49 Thermal overload protection, two time constants 0-3
CCRBRF 50BF Breaker failure protection 0-4
CCPDSC 52PD Pole discordance protection 0-4
GUPPDUP 37 Directional underpower protection 0-4
GOPPDOP 32 Directional overpower protection 0-4
NS2PTOC 46I2 Negative sequence time overcurrent protection for machines 0-2
AEGPVOC 50AE Accidental energizing protection for synchronous generator 0-2
VRPVOC 51V Voltage restrained overcurrent protection 0-3
GSPTTR 49S Stator overload protection 0-1
GRPTTR 49R Rotor overload protection 0-1
Voltage protection
UV2PTUV 27 Two step undervoltage protection 0-2
OV2PTOV 59 Two step overvoltage protection 0-2
ROV2PTOV 59N Two step residual overvoltage protection 0-3
OEXPVPH 24 Overexcitation protection 0-2
VDCPTOV 60 Voltage differential protection 0-2
STEFPHIZ 59THD 100% stator earth fault protection, 3rd harmonic based 0-1
Frequency protection
SAPTUF 81 Underfrequency protection 0-6
Table continues on next page
1MRK 502 071-UUS A Section 2
Application
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 49
Application manual