
Verifying instantaneous back-up trip at CB faulty condition.........89
Verifying the case
RetripMode
=
Contact
.....................................89
Verifying the function mode
Current&Contact
..............................89
Completing the test.......................................................................90
Breaker failure protection, single phase version CCSRBRF
(50BF)................................................................................................90
Checking the phase current operate value Pickup_PH
................91
Checking the re-trip and back-up times........................................91
Verifying the re-trip mode.............................................................92
Verifying the back-up trip mode....................................................93
Verifying instantaneous back-up trip at “CB faulty”
condition ......................................................................................93
Verifying the case
FunctionMode
=
Contact
.................................93
Verifying the function mode
Curr&Cont Check
.............................94
Completing the test.......................................................................95
Directional underpower protection GUPPDUP (37)...........................95
Verifying the settings....................................................................95
Completing the test.......................................................................97
Directional overpower protection GOPPDOP (32)............................97
Verifying the settings....................................................................97
Completing the test.......................................................................98
Capacitor bank protection CBPGAPC...............................................98
Verifying the settings and operation of the function......................99
Completing the test.....................................................................103
Voltage protection.................................................................................103
Two step undervoltage protection UV2PTUV (27)..........................103
Verifying the settings..................................................................103
Completing the test.....................................................................104
Two step overvoltage protection OV2PTOV (59)............................105
Verifying the settings..................................................................105
Extended testing.........................................................................106
Completing the test.....................................................................106
Two step residual overvoltage protection ROV2PTOV (59N).........106
Verifying the settings..................................................................106
Completing the test.....................................................................107
Voltage differential protection VDCPTOV (60)................................107
Check of undervoltage levels.....................................................107
Check of voltage differential trip and alarm levels......................109
Check of trip and trip reset timers...............................................111
Final adjustment of compensation for VT ratio differences .......111
Table of contents
4Busbar protection REB670 2.0 ANSI
Commissioning Manual