ABB REG670 - Page 13

Generator stator overload protection GSPTTR (49S)..................... 217
Verifying the settings.................................................................. 217
Completing the test.....................................................................217
Generator rotor overload protection (49R)...................................... 218
Verifying the settings.................................................................. 218
Completing the test.....................................................................219
Voltage protection.................................................................................219
Two step undervoltage protection UV2PTUV (27).......................... 219
Verifying the settings.................................................................. 219
Completing the test.....................................................................220
Two step overvoltage protection OV2PTOV (59)............................ 221
Verifying the settings.................................................................. 221
Extended testing.........................................................................221
Completing the test.....................................................................222
Two step residual overvoltage protection ROV2PTOV (59N)......... 222
Verifying the settings.................................................................. 222
Completing the test.....................................................................223
Overexcitation protection OEXPVPH (24)....................................... 223
Verifying the settings.................................................................. 223
Completing the test.....................................................................224
Voltage differential protection VDCPTOV (60)................................ 224
Check of undervoltage levels..................................................... 224
Check of voltage differential trip and alarm levels...................... 226
Check of trip and trip reset timers...............................................228
Final adjustment of compensation for VT ratio differences ....... 228
Completing the test.....................................................................228
100% Stator ground fault protection, 3rd harmonic based
STEFPHIZ (59THD).........................................................................229
Testing........................................................................................229
Verifying settings........................................................................ 230
Completing the test.....................................................................231
Frequency protection............................................................................ 231
Underfrequency protection SAPTUF (81)........................................231
Verifying the settings.................................................................. 231
Completing the test.....................................................................233
Overfrequency protection SAPTOF (81)......................................... 233
Verifying the settings.................................................................. 233
Completing the test.....................................................................234
Rate-of-change frequency protection SAPFRC (81)....................... 234
Verifying the settings.................................................................. 234
Table of contents
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 7
Commissioning manual