ABB REQ650 Commissioning Manual

Sensitive directional residual overcurrent and power protection
SDEPSDE (67N)................................................................................53
Measuring the operate and time limit for set values..................... 53
Completing the test.......................................................................58
Thermal overload protection, one time constant, Fahrenheit/
Celsius LFPTTR/LCPTTR (26)..........................................................58
Testing the protection without external temperature
compensation (NonComp)............................................................58
Completing the test.......................................................................59
Breaker failure protection, phase segregated activation and
output CCRBRF (50BF).....................................................................59
Checking the phase current operate value, Pickup_PH ............... 60
Checking the residual (ground fault) current operate value
Pickup_N set below Pickup_PH ....................................................60
Checking the re-trip and back-up times........................................60
Verifying the re-trip mode............................................................. 61
Verifying the back-up trip mode....................................................62
Verifying the case RetripMode = Contact .....................................63
Verifying the function mode Current&Contact .............................. 63
Completing the test.......................................................................64
Breaker failure protection, phase segregated activation and
output CSPRBRF (50BF)...................................................................64
Checking the phase current operate value, Pickup_PH............... 65
Checking the residual (GF) current operate value IN> set
below IP>......................................................................................65
Checking the re-trip and back-up times........................................65
Verifying the RetripMode .............................................................. 66
Verifying the case RetripMode = No CB Pos Check .................... 67
Verifying the function mode Current&Contact .............................. 67
Checking the case with fault current below set value Pickup_
BlkCont ......................................................................................... 67
Checking the phase current operate value, Pickup_PH ............... 68
Completing the test.......................................................................68
Stub protection STBPTOC (50STB).................................................. 68
Measuring the operate limit of set values..................................... 69
Completing the test.......................................................................69
Pole discrepancy protection CCRPLD (52PD).................................. 70
Verifying the settings.................................................................... 70
Completing the test.......................................................................70
Broken conductor check BRCPTOC (46).......................................... 70
Measuring the operate and time limit of set values...................... 71
Table of contents
3
Commissioning manual

ABB REQ650 Specifications

General

Brand	ABB
Model	REQ650
Category	Protection Device
Language	English