ABB RET670 Commissioning Manual page 13

10.7.1 Underfrequency protection SAPTUF (81).................................................................................... 176
10.7.1.1 Verifying the settings...................................................................................................................176
10.7.1.2 Completing the test......................................................................................................................177
10.7.2 Overfrequency protection SAPTOF (81)....................................................................................... 177
10.7.2.1 Verifying the settings................................................................................................................... 177
10.7.2.2 Completing the test..................................................................................................................... 178
10.7.3 Rate-of-change frequency protection SAPFRC (81).................................................................. 178
10.7.3.1 Verifying the settings...................................................................................................................178
10.7.3.2 Completing the test..................................................................................................................... 178
10.8 Multipurpose protection..................................................................................................................... 179
10.8.1 General current and voltage protection CVGAPC...................................................................... 179
10.8.1.1 Built-in overcurrent feature (non-directional).........................................................................179
10.8.1.2 Overcurrent feature with current restraint............................................................................. 180
10.8.1.3 Overcurrent feature with voltage restraint............................................................................. 180
10.8.1.4 Overcurrent feature with directionality................................................................................... 180
10.8.1.5 Over/Undervoltage feature.........................................................................................................181
10.8.1.6 Completing the test......................................................................................................................181
10.9 Secondary system supervision...........................................................................................................181
10.9.1 Current circuit supervision CCSSPVC (87)................................................................................... 181
10.9.1.1 Verifying the settings................................................................................................................... 181
10.9.1.2 Completing the test..................................................................................................................... 182
10.9.2 Fuse failure supervision FUFSPVC................................................................................................ 182
10.9.2.1 Checking that the binary inputs and outputs trip as expected ..........................................182
10.9.2.2 Measuring the trip value for the negative sequence function ............................................ 182
10.9.2.3 Measuring the trip value for the zero-sequence function ................................................... 183
10.9.2.4 Measuring the
10.9.2.5 Checking the operation of the dv/dt and di/dt based function ........................................184
10.9.2.6 Completing the test..................................................................................................................... 185
10.9.3 Fuse failure supervision ................................................................................................................. 185
10.9.3.1 Completing the test..................................................................................................................... 186
10.10 Control.................................................................................................................................................... 186
10.10.1 Synchrocheck, energizing check, and synchronizing SESRSYN (25)...................................... 186
10.10.1.1 Testing the synchronizing function.......................................................................................... 188
10.10.1.2 Testing the synchrocheck check................................................................................................189
10.10.1.3 Testing the energizing check..................................................................................................... 190
10.10.1.4 Testing the voltage selection..................................................................................................... 192
10.10.1.5 Completing the test..................................................................................................................... 194
10.10.2 Apparatus control APC....................................................................................................................194
10.10.3 Voltage control TR1ATCC, TR8ATCC, TCMYLTC, TCLYLTC...................................................... 194
10.10.3.1 Secondary test...............................................................................................................................196
10.10.3.2 Check the activation of the voltage control operation......................................................... 196
10.10.3.3 Check the normal voltage regulation function....................................................................... 197
10.10.3.4 Check the undervoltage block function....................................................................................197
Commissioning manual
trip value for the dead line detection function............................................184
Table of contents
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