ABB Relion 670 Series Commissioning Manual page 15

11.11.6.3 Completing the test..................................................................................................................... 230
11.11.7 Direct transfer trip logic.................................................................................................................230
11.11.7.1 Low active power and power factor local criteria LAPPGAPC (37_55)...............................230
11.11.7.2 Compensated over- and undervoltage protection COUVGAPC (59_27)............................ 231
11.11.7.3 Sudden change in current variation SCCVPTOC (51)............................................................. 232
11.11.7.4 Carrier receive logic LCCRPTRC (94)......................................................................................... 233
11.11.7.5 Negative sequence overvoltage protection LCNSPTOV (47)...............................................234
11.11.7.6 Zero sequence overvoltage protection LCZSPTOV (59N).................................................... 235
11.11.7.7 Negative sequence overcurrent protection LCNSPTOC (46)...............................................236
11.11.7.8 Zero sequence overcurrent protection LCZSPTOC (51N)..................................................... 237
11.11.7.9 Three phase overcurrent LCP3PTOC (51)................................................................................. 237
11.11.7.10 Three phase undercurrent LCP3PTUC (37)...............................................................................237
11.12 Logic........................................................................................................................................................238
11.12.1 Tripping logic, common 3-phase output SMPPTRC (94)......................................................... 238
11.12.1.1 3 phase operating mode............................................................................................................. 238
11.12.1.2 1p/3p operating mode................................................................................................................ 238
11.12.1.3 1p/2p/3p operating mode..........................................................................................................239
11.12.1.4 Circuit breaker lockout................................................................................................................240
11.12.1.5 Completing the test.....................................................................................................................240
11.13 Monitoring............................................................................................................................................. 240
11.13.1 Gas medium supervision SSIMG................................................................................................... 240
11.13.1.1 Testing the gas medium supervision for pressure alarm and pressure lockout
conditions.......................................................................................................................................241
11.13.1.2 Testing the gas medium supervision for temperature alarm and temperature lock
out conditions............................................................................................................................... 241
11.13.1.3 Completing the test..................................................................................................................... 241
11.13.2 Liquid medium supervision SSIML................................................................................................241
11.13.2.1 Testing the liquid medium supervision for level alarm and level lockout conditions.....242
11.13.2.2 Testing the liquid medium supervision for temperature alarm and temperature
lock out conditions.......................................................................................................................242
11.13.2.3 Completing the test..................................................................................................................... 242
11.13.3 Breaker monitoring SSCBR............................................................................................................ 242
11.13.3.1 Verifying the settings.................................................................................................................. 243
11.13.3.2 Completing the test.....................................................................................................................244
11.13.4 Event function EVENT..................................................................................................................... 244
11.13.5 Fault locator LMBRFLO................................................................................................................... 244
11.13.5.1 Measuring the operate limit.......................................................................................................245
11.13.5.2 Completing the test.....................................................................................................................246
11.13.6 Limit counter L4UFCNT.................................................................................................................. 246
11.13.6.1 Completing the test.....................................................................................................................246
11.13.7 Through fault monitoring PTRSTHR (51TF)................................................................................ 246
11.13.7.1 Verifying the signals and settings............................................................................................ 246
11.13.7.2 Completing the test..................................................................................................................... 247
Line distance protection REL670
Commissioning manual
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