ABB rec670 Commissioning Manual page 11

Bay control REC670 2.1 IEC
Commissioning manual
Verifying the settings............................................................ 118
Completing the test.............................................................. 119
Two step overvoltage protection OV2PTOV .............................119
Verifying the settings............................................................ 119
Extended testing...................................................................120
Completing the test.............................................................. 120
Two step residual overvoltage protection ROV2PTOV ............ 120
Verifying the settings............................................................ 120
Completing the test.............................................................. 121
Voltage differential protection VDCPTOV .................................121
Check of undervoltage levels............................................... 121
Check of voltage differential trip and alarm levels................123
Check of trip and trip reset timers........................................ 124
Final adjustment of compensation for VT ratio differences . 125
Completing the test.............................................................. 125
Loss of voltage check LOVPTUV ............................................. 125
Measuring the operate limit of set values.............................125
Completing the test.............................................................. 126
Frequency protection......................................................................126
Underfrequency protection SAPTUF ........................................ 126
Verifying the settings............................................................ 126
Completing the test.............................................................. 127
Overfrequency protection SAPTOF ..........................................127
Verifying the settings............................................................ 128
Completing the test.............................................................. 128
Rate-of-change frequency protection SAPFRC ........................129
Verifying the settings............................................................ 129
Completing the test.............................................................. 129
Frequency time accumulation protection function FTAQFVR... 129
Verifying the settings............................................................ 129
Completing the test.............................................................. 131
Multipurpose protection.................................................................. 132
General current and voltage protection CVGAPC..................... 132
Built-in overcurrent feature (non-directional)........................ 132
Overcurrent feature with current restraint.............................133
Overcurrent feature with voltage restraint............................ 133
Overcurrent feature with directionality..................................133
Over/Undervoltage feature................................................... 134
Completing the test.............................................................. 134
Secondary system supervision.......................................................135
Current circuit supervision CCSSPVC.......................................135
Verifying the settings............................................................ 135
Completing the test.............................................................. 135
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