11.4.7.1 Measuring the operate and time limit of set values....................................................... 103
11.4.7.2 Completing the test.............................................................................................................. 104
11.4.8 Thermal overload protection, two time constants TRPTTR ............................................ 104
11.4.8.1 Checking operate and reset values.................................................................................... 104
11.4.8.2 Completing the test...............................................................................................................105
11.4.9 Breaker failure protection, phase segregated activation and output CCRBRF............105
11.4.9.1 Checking the phase current operate value,
IP>
................................................................105
11.4.9.2 Checking the residual (earth fault) current operate value
IN>
set below
IP>
............ 105
11.4.9.3 Checking the re-trip and back-up times............................................................................106
11.4.9.4 Verifying the re-trip mode....................................................................................................106
11.4.9.5 Verifying the back-up trip mode......................................................................................... 106
11.4.9.6 Verifying instantaneous back-up trip at CB faulty condition........................................107
11.4.9.7 Verifying the case
FunctionMode
=
CB Pos
...................................................................... 107
11.4.9.8 Verifying the case
RetripMode
=
Contact
......................................................................... 107
11.4.9.9 Verifying the case
FunctionMode
=
Current
or
CB Pos
.................................................... 108
11.4.9.10 Verifying the external start signal has timed out............................................................108
11.4.9.11 Verifying that backup signal is released when STALARM is reset................................109
11.4.9.12 Test of
FollowStart&Mode
behaviour................................................................................ 109
11.4.9.13 Test of
FollowStart
behaviour.............................................................................................109
11.4.9.14 Completing the test.............................................................................................................. 109
11.4.10 Stub protection STBPTOC....................................................................................................... 109
11.4.10.1 Measuring the operate limit of set values.........................................................................110
11.4.10.2 Completing the test............................................................................................................... 110
11.4.11 Pole discordance protection CCPDSC................................................................................... 110
11.4.11.1 Verifying the settings............................................................................................................ 110
11.4.11.2 Completing the test................................................................................................................111
11.4.12 Directional underpower protection GUPPDUP ....................................................................111
11.4.12.1 Verifying the settings.............................................................................................................111
11.4.12.2 Completing the test............................................................................................................... 113
11.4.13 Directional overpower protection GOPPDOP ......................................................................113
11.4.13.1 Verifying the settings.............................................................................................................113
11.4.13.2 Completing the test............................................................................................................... 113
11.4.14 Broken conductor check BRCPTOC ....................................................................................... 113
11.4.14.1 Measuring the operate and time limit of set values........................................................ 113
11.4.14.2 Completing the test............................................................................................................... 114
11.4.15 Capacitor bank protection CBPGAPC.................................................................................... 114
11.4.15.1 Verifying the settings and operation of the function..................................................... 114
11.4.15.2 Completing the test............................................................................................................... 118
11.4.16 Voltage-restrained time overcurrent protection VRPVOC................................................ 118
11.4.16.1 Verifying the settings............................................................................................................ 118
11.4.16.2 Completing the test............................................................................................................... 121
11.5 Voltage protection......................................................................................................................... 121
11.5.1 Two step undervoltage protection UV2PTUV ......................................................................121
11.5.1.1 Verifying the settings.............................................................................................................121
11.5.1.2 Completing the test............................................................................................................... 122
11.5.2 Two step overvoltage protection OV2PTOV ........................................................................122
Table of contents
4 Bay control REC670
Commissioning manual
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