ABB REG670 Commissioning Manual page 13

Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Commissioning manual
Overexcitation protection OEXPVPH ....................................... 207
Verifying the settings............................................................ 207
Completing the test.............................................................. 208
Voltage differential protection VDCPTOV .................................208
Check of undervoltage levels............................................... 208
Check of voltage differential trip and alarm levels................210
Check of trip and trip reset timers........................................ 211
Final adjustment of compensation for VT ratio differences . 212
Completing the test.............................................................. 212
100% Stator earth fault protection, 3rd harmonic based
STEFPHIZ ................................................................................ 212
Testing..................................................................................213
Verifying settings.................................................................. 214
Completing the test.............................................................. 215
Frequency protection......................................................................215
Underfrequency protection SAPTUF ........................................ 215
Verifying the settings............................................................ 215
Completing the test.............................................................. 216
Overfrequency protection SAPTOF ..........................................216
Verifying the settings............................................................ 216
Completing the test.............................................................. 217
Rate-of-change frequency protection SAPFRC ........................217
Verifying the settings............................................................ 217
Completing the test.............................................................. 218
Frequency time accumulation protection function FTAQFVR... 218
Verifying the settings............................................................ 218
Completing the test.............................................................. 220
Multipurpose protection.................................................................. 220
General current and voltage protection CVGAPC..................... 220
Built-in overcurrent feature (non-directional)........................ 221
Overcurrent feature with current restraint.............................222
Overcurrent feature with voltage restraint............................ 222
Overcurrent feature with directionality..................................222
Over/Undervoltage feature................................................... 223
Completing the test.............................................................. 223
Secondary system supervision.......................................................223
Current circuit supervision CCSSPVC.......................................223
Verifying the settings............................................................ 224
Completing the test.............................................................. 224
Fuse failure supervision FUFSPVC...........................................224
Checking that the binary inputs and outputs operate as
expected ..............................................................................224
Measuring the operate value for the negative sequence
function ................................................................................225
Table of contents
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