ABB Relion 670 Series Commissioning Manual page 11

11.5.2.1 Verifying the settings............................................................................................................ 122
11.5.2.2 Extended testing.................................................................................................................... 123
11.5.2.3 Completing the test............................................................................................................... 123
11.5.3 Two step residual overvoltage protection ROV2PTOV ......................................................123
11.5.3.1 Verifying the settings............................................................................................................ 123
11.5.3.2 Completing the test...............................................................................................................124
11.5.4 Voltage differential protection VDCPTOV ........................................................................... 124
11.5.4.1 Check of undervoltage levels............................................................................................... 124
11.5.4.2 Check of voltage differential trip and alarm levels..........................................................125
11.5.4.3 Check of trip and trip reset timers..................................................................................... 126
11.5.4.4 Final adjustment of compensation for VT ratio differences ........................................ 127
11.5.4.5 Completing the test............................................................................................................... 127
11.5.5 Loss of voltage check LOVPTUV ............................................................................................ 127
11.5.5.1 Measuring the operate limit of set values......................................................................... 127
11.5.5.2 Completing the test...............................................................................................................128
11.6 Frequency protection.................................................................................................................... 128
11.6.1 Underfrequency protection SAPTUF .....................................................................................128
11.6.1.1 Verifying the settings............................................................................................................ 128
11.6.1.2 Completing the test...............................................................................................................129
11.6.2 Overfrequency protection SAPTOF ....................................................................................... 129
11.6.2.1 Verifying the settings............................................................................................................ 129
11.6.2.2 Completing the test...............................................................................................................130
11.6.3 Rate-of-change frequency protection SAPFRC .................................................................. 130
11.6.3.1 Verifying the settings............................................................................................................ 130
11.6.3.2 Completing the test...............................................................................................................130
11.6.4 Frequency time accumulation protection function FTAQFVR..........................................130
11.6.4.1 Verifying the settings.............................................................................................................131
11.6.4.2 Completing the test............................................................................................................... 132
11.7 Multipurpose protection...............................................................................................................132
11.7.1 General current and voltage protection CVGAPC................................................................132
11.7.1.1 Built-in overcurrent feature (non-directional).................................................................. 132
11.7.1.2 Overcurrent feature with current restraint....................................................................... 133
11.7.1.3 Overcurrent feature with voltage restraint.......................................................................133
11.7.1.4 Overcurrent feature with directionality.............................................................................134
11.7.1.5 Over/Undervoltage feature..................................................................................................134
11.7.1.6 Completing the test...............................................................................................................134
11.8 Secondary system supervision....................................................................................................134
11.8.1 Current circuit supervision CCSSPVC.................................................................................... 134
11.8.1.1 Verifying the settings............................................................................................................ 135
11.8.1.2 Completing the test...............................................................................................................135
11.8.2 Fuse failure supervision FUFSPVC..........................................................................................135
11.8.2.1 Checking that the binary inputs and outputs operate as expected ........................... 135
11.8.2.2 Measuring the operate value for the negative sequence function ............................. 136
11.8.2.3 Measuring the operate value for the zero-sequence function ..................................... 137
11.8.2.4 Measuring the operate value for the dead line detection function..............................137
11.8.2.5 Checking the operation of the du/dt and di/dt based function ................................. 137
Bay control REC670
Commissioning manual
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