
7.3.7.4 Verifying the re-trip mode....................................................................................................... 51
7.3.7.5 Verifying the back-up trip mode............................................................................................ 52
7.3.7.6 Verifying the case
RetripMode
=
Contact
............................................................................ 52
7.3.7.7 Verifying the function mode
Current&Contact
................................................................... 53
7.3.7.8 Completing the test..................................................................................................................53
7.3.8 Stub protection STBPTOC (50STB).............................................................................................54
7.3.8.1 Measuring the operate limit of set values........................................................................... 54
7.3.8.2 Completing the test..................................................................................................................54
7.3.9 Pole discrepancy protection CCRPLD (52PD)............................................................................54
7.3.9.1 Verifying the settings............................................................................................................... 55
7.3.9.2 Completing the test..................................................................................................................55
7.3.10 Broken conductor check BRCPTOC (46).....................................................................................55
7.3.10.1 Measuring the operate and time limit of set values.......................................................... 55
7.3.10.2 Completing the test..................................................................................................................56
7.3.11 Directional underpower protection GUPPDUP (37)................................................................. 56
7.3.11.1 Verifying the settings...............................................................................................................56
7.3.11.2 Completing the test..................................................................................................................58
7.3.12 Directional overpower protection GOPPDOP (32)................................................................... 58
7.3.12.1 Verifying the settings...............................................................................................................58
7.3.12.2 Completing the test..................................................................................................................59
7.4 Testing voltage protection functions...........................................................................................59
7.4.1 Two step undervoltage protection UV2PTUV (27)................................................................... 59
7.4.1.1 Verifying the setting.................................................................................................................59
7.4.1.2 Completing the test................................................................................................................. 60
7.4.2 Two step overvoltage protection OV2PTOV (59).....................................................................60
7.4.2.1 Verifying the settings...............................................................................................................60
7.4.2.2 Completing the test................................................................................................................. 60
7.4.3 Two step residual overvoltage protection ROV2PTOV (59N)................................................60
7.4.3.1 Verifying the settings...............................................................................................................60
7.4.3.2 Completing the test..................................................................................................................61
7.4.4 Loss of voltage check LOVPTUV (27)...........................................................................................61
7.4.4.1 Measuring the operate limit of set values............................................................................61
7.4.4.2 Completing the test..................................................................................................................62
7.5 Testing frequency protection functions...................................................................................... 62
7.5.1 Underfrequency protection SAPTUF (81)...................................................................................62
7.5.1.1 Verifying the settings...............................................................................................................62
7.5.1.2 Completing the test..................................................................................................................63
7.5.2 Overfrequency protection SAPTOF (81)..................................................................................... 63
7.5.2.1 Verifying the settings............................................................................................................... 63
7.5.2.2 Completing the test................................................................................................................. 64
7.5.3 Rate-of-change frequency protection SAPFRC (81).................................................................64
7.5.3.1 Verifying the settings...............................................................................................................64
7.5.3.2 Completing the test..................................................................................................................65
Table of contents
Bay control REC650 3
Commissioning manual
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