ABB REC650 Product Manual page 14

Bay control REC650
Product version: 1.1
Back-up protection functions
IEC 61850/ ANSI
Function
block
name
Current protection
PHPIOC 50
OC4PTOC 51/67
EFPIOC 50N
EF4PTOC 51N/
67N
SDEPSDE 67N
LPTTR 26
CCRBRF 50BF
STBPTOC 50STB
CCRPLD 52PD
BRCPTOC 46
GUPPDUP 37
GOPPDOP 32
DNSPTOC 46
Voltage protection
UV2PTUV 27
OV2PTOV 59
ROV2PTOV 59N
LOVPTUV 27
14
Function description
Instantaneous phase overcurrent
protection
Four step directional phase overcurrent
protection
Instantaneous residual overcurrent
protection
Four step directional residual
overcurrent protection
Sensitive directional residual
overcurrent and power protection
Thermal overload protection, one time
constant
Breaker failure protection
Stub protection
Pole discordance protection
Broken conductor check
Directional underpower protection
Directional overpower protection
Negative sequence based overcurrent
function
Two step undervoltage protection
Two step overvoltage protection
Two step residual overvoltage
protection
Loss of voltage check
1MRK 511 249-BEN -
Issued: February 2011
Bay
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ABB