ABB Relion 670 Series Commissioning Manual page 13

11.6.7.2 Completing the test..................................................................................................................... 193
11.7 Frequency protection.......................................................................................................................... 193
11.7.1 Underfrequency protection SAPTUF (81).................................................................................... 193
11.7.1.1 Verifying the settings.................................................................................................................. 194
11.7.1.2 Completing the test..................................................................................................................... 194
11.7.2 Overfrequency protection SAPTOF (81)...................................................................................... 195
11.7.2.1 Verifying the settings...................................................................................................................195
11.7.2.2 Completing the test..................................................................................................................... 195
11.7.3 Rate-of-change frequency protection SAPFRC (81).................................................................. 195
11.7.3.1 Verifying the settings.................................................................................................................. 196
11.7.3.2 Completing the test..................................................................................................................... 196
11.8 Multipurpose protection.....................................................................................................................196
11.8.1 General current and voltage protection CVGAPC...................................................................... 196
11.8.1.1 Built-in overcurrent feature (non-directional).........................................................................197
11.8.1.2 Overcurrent feature with current restraint..............................................................................197
11.8.1.3 Overcurrent feature with voltage restraint............................................................................. 197
11.8.1.4 Overcurrent feature with directionality................................................................................... 198
11.8.1.5 Over/Undervoltage feature........................................................................................................ 198
11.8.1.6 Completing the test..................................................................................................................... 199
11.9 Secondary system supervision.......................................................................................................... 199
11.9.1 Current circuit supervision CCSSPVC (87).................................................................................. 199
11.9.1.1 Verifying the settings.................................................................................................................. 199
11.9.1.2 Completing the test..................................................................................................................... 199
11.9.2 Fuse failure supervision FUFSPVC................................................................................................ 199
11.9.2.1 Checking that the binary inputs and outputs trip as expected ......................................... 199
11.9.2.2 Measuring the trip value for the negative sequence function ........................................... 200
11.9.2.3 Measuring the trip value for the zero-sequence function ................................................... 201
11.9.2.4 Measuring the
11.9.2.5 Checking the operation of the dv/dt and di/dt based function ....................................... 202
11.9.2.6 Completing the test..................................................................................................................... 203
11.9.3 Fuse failure supervision .................................................................................................................203
11.9.3.1 Completing the test.....................................................................................................................204
11.9.4 Voltage based delta supervision DELVSPVC..............................................................................204
11.9.4.1 Verifying the signals and settings............................................................................................ 204
11.9.4.2 Completing the test.....................................................................................................................205
11.9.5 Current based delta supervision DELISPVC(7I)......................................................................... 205
11.9.5.1 Verifying the signals and settings............................................................................................ 205
11.9.5.2 Completing the test.....................................................................................................................206
11.9.6 Delta supervision of real input DELSPVC.................................................................................... 206
11.9.6.1 Verifying the signals and settings............................................................................................ 206
11.9.6.2 Completing the test..................................................................................................................... 207
11.10 Control.................................................................................................................................................... 207
11.10.1 Synchrocheck, energizing check, and synchronizing SESRSYN (25)...................................... 207
Line distance protection REL670
Commissioning manual
trip value for the dead line detection function........................................... 202
© Copyright 2017 ABB. All rights reserved
Table of contents
7