ABB Relion 670 Series Commissioning Manual page 11

11.4.14.1 Completing the test..................................................................................................................... 156
11.4.15 Phase preference logic PPL2PHIZ................................................................................................. 156
11.4.16 Completing the test.........................................................................................................................157
11.5 Current protection................................................................................................................................157
11.5.1 Instantaneous phase overcurrent protection 3-phase output PHPIOC (50)........................157
11.5.1.1 Measuring the trip limit of set values....................................................................................... 158
11.5.1.2 Completing the test..................................................................................................................... 158
11.5.2 Directional phase overcurrent protection, four steps OC4PTOC (51_67)............................ 158
11.5.2.1 Verifying the settings...................................................................................................................158
11.5.2.2 Completing the test..................................................................................................................... 159
11.5.3 Instantaneous residual overcurrent protection EFPIOC (50N)...............................................159
11.5.3.1 Measuring the trip limit of set values.......................................................................................160
11.5.3.2 Completing the test..................................................................................................................... 160
11.5.4 Four step residual overcurrent protection, (Zero sequence or negative sequence
directionality) EF4PTOC (51N/67N)............................................................................................. 160
11.5.4.1 Four step directional ground fault protection....................................................................... 160
11.5.4.2 Four step non-directional ground fault protection................................................................161
11.5.4.3 Completing the test......................................................................................................................161
11.5.5 Four step negative sequence overcurrent protection NS4PTOC (46I2)................................161
11.5.5.1 Completing the test..................................................................................................................... 162
11.5.6 Sensitive directional residual overcurrent and power protection SDEPSDE (67N)............ 162
11.5.6.1 Measuring the trip and time limit for set values.................................................................... 163
11.5.6.2 Completing the test..................................................................................................................... 167
11.5.7 Thermal overload protection, one time constant, Fahrenheit/Celsius LFPTTR/
LCPTTR (26)....................................................................................................................................... 168
11.5.7.1 Measuring the trip and time limit of set values......................................................................168
11.5.7.2 Completing the test..................................................................................................................... 168
11.5.8 Breaker failure protection, phase segregated activation and output CCRBRF (50BF)..... 169
11.5.8.1 Checking the phase current trip value,
11.5.8.2 Checking the residual (ground fault) current trip value
set below
11.5.8.3 Checking the re-trip and back-up times.................................................................................. 169
11.5.8.4 Verifying the re-trip mode...........................................................................................................170
11.5.8.5 Verifying the back-up trip mode................................................................................................ 170
11.5.8.6 Verifying instantaneous back-up trip at CB faulty condition............................................... 171
11.5.8.7 Verifying the case
11.5.8.8 Verifying the case
11.5.8.9 Verifying the case
11.5.8.10 Verifying the external start signal has timed out................................................................... 173
11.5.8.11 Verifying that backup signal is released when STALARM is reset....................................... 173
11.5.8.12 Test of
11.5.8.13 Test of
11.5.8.14 Completing the test..................................................................................................................... 174
Line distance protection REL670
Commissioning manual
Pickup_PH .................................................................................................................... 169
FunctionMode = CB Pos ............................................................................. 172
RetripMode = Contact ................................................................................ 172
FunctionMode = Current or CB Pos ........................................................... 172
FollowStart&Mode behaviour....................................................................................... 174
FollowStart behaviour....................................................................................................174
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Pickup_PH ................................................................ 169
Pickup_N
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