ABB REQ650 User Manual

Table 9: Recommended functions in the different application examples
Function Application 5 Application 6 Application 7
Instantaneous phase overcurrent protection PHPIOC ,
three-phase
On On On
Four step phase overcurrent protection OC4PTOC ,
three-phase
On On On
Instantaneous residual overcurrent protection EFPIOC On On Off
Four step residual overcurrent protection EF4PTOC On On Off
Sensitive directional residual overcurrent and power
protetcion SDEPSDE
Off Off On
Application dependent Application dependent
Thermal overload protection, one time constant,
Celsius/Fahrenheit LCPTTR/LFPTTR
Application dependent Application dependent
Application dependent
Breaker failure protection CCRBRF , three-phase On On On
Stub protection STBPTOC Off Off Off
Pole discordance protection CCRPLD Application dependent Application dependent Application dependent
Broken conductor check BRCPTOC Off Off Off
Directional underpower protection GUPPDUP Application dependent Application dependent Application dependent
Directional overpower protection GOPPDOP Application dependent Application dependent Application dependent
Negative sequence based overcurrent function
DNSPTOC
Application dependent Application dependent Application dependent
Two step undervoltage protection UV2PTUV Off Off Off
Two step overvoltage protection OV2PTOV Off Off Off
Two step residual overvoltage protection ROV2PTOV Off Off Off
Loss of voltage check LOVPTUV On On On
Underfrequency protection SAPTUF , instance 1 Application dependent Application dependent Application dependent
Underfrequency protection SAPTUF , instance 2 Application dependent Application dependent Application dependent
Overfrequency protection SAPTOF , instance 1 Application dependent Application dependent Application dependent
Overfrequency protection SAPTOF , instance 2 Application dependent Application dependent Application dependent
Rate-of-change of frequency SAPFRC , instance 1 Application dependent Application dependent Application dependent
Rate-of-change of frequency SAPFRC , instance 2 Application dependent Application dependent Application dependent
Synchrocheck, energizing check, and synchronizing
SESRSYN
Off Off Off
Autorecloser SMBRREC , three-phase Off Off Off
1MRK 505 291-UEN A Section 2
Application
41
Application manual

ABB REQ650 Specifications

General

Brand	ABB
Model	REQ650
Category	Protection Device
Language	English