ABB REC650 ANSI - Back-Up Protection Functions

2.2 Back-up protection functions
IEC 61850 or
Function name
ANSI Function description Bay
REC650
REC650 (A01A) 3Ph/1CBA REC650 (A02A) 3Ph/1CBAB REC650 (A07A) BCAB
Current protection
PHPIOC 50 Instantaneous phase overcurrent protection, 3–phase
output
0–1 1 1 1
OC4PTOC 51/67 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
Frequency protection
SAPTUF 81 Underfrequency function 0–2 2 2 2
SAPTOF 81 Overfrequency function 0–2 2 2 2
SAPFRC 81 Rate-of-change frequency protection 0–2 2 2 2
1MRK 511 287-UUS A Section 2
Available functions
41
Technical manual