ABB REC650 - Page 14

Back-up protection functions
IEC 61850/
Function
block name
ANSI Function description Bay
REC650
REC650 (A01A) 1CBA REC650 (A02A) 1CBAB REC650 (A07A) BCAB
Current protection
PHPIOC 50 Instantaneous phase overcurrent
protection, 3–phase output
0–1 1 1 1
OC4PTOC 51 Four step phase overcurrent protection, 3–
phase output
0–1 1 1 1
EFPIOC 50N Instantaneous residual overcurrent
protection
0–1 1 1 1
EF4PTOC 51N/67N Four step residual overcurrent protection,
zero/negative sequence direction
0–1 1 1 1
SDEPSDE 67N Sensitive directional residual overcurrent
and power protection
0–1 1 1 1
LCPTTR 26 Thermal overload protection, one time
constant, Celsius
0–1 1 1 1
LFPTTR 26 Thermal overload protection, one time
constant, Fahrenheit
0–1 1 1 1
CCRBRF 50BF Breaker failure protection, 3–phase
activation and output
0–1 1 1 1
STBPTOC 50STB Stub protection 0–1 1 1 1
CCRPLD 52PD Pole discordance protection 0–1 1 1 1
BRCPTOC 46 Broken conductor check 0–1 1 1 1
GUPPDUP 37 Directional underpower protection 0–1 1 1 1
GOPPDOP 32 Directional overpower protection 0–1 1 1 1
DNSPTOC 46 Negative sequence based overcurrent
function
0–1 1 1 1
Voltage protection
UV2PTUV 27 Two step undervoltage protection 0–1 1 1 1
OV2PTOV 59 Two step overvoltage protection 0–1 1 1 1
ROV2PTOV 59N Two step residual overvoltage protection 0–1 1 1 1
LOVPTUV 27 Loss of voltage check 0–1 1 1 1
Bay control REC650 ANSI 1MRK 511 265-BUS B
Product version: 1.2
14 ABB