9.6.5 SettingsTable 300:STEFPHIZ Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation OffOn- - Off Operation Off / OnBeta 0.50 - 10.00 - 0.01 3.00 Portion of voltN3rdHarmonic used as biasCBexists NoYes- - No Defines if generator CB exists (betweenGen & Transformer)FactorCBopen 1.00 - 10.00 - 0.01 1.00 Beta is multiplied by this factor when CB isopenUN3rdH< 0.5 - 10.0 % 0.1 2.0 Pickup 3rd Harm U< protection (whenactivated) % of UB/1,732UT3BlkLevel 0.1 - 10.0 % 0.1 1.0 If UT3 is below limit 3rdH Diff is blocked, in% of UB/1,732UNFund> 1.0 - 50.0 % 0.1 5.0 Pickup fundamental UN> protection (95%SEF), % of UB/1,732t3rdH 0.020 - 60.000 s 0.001 1.000 Operation delay of 3rd harm-basedprotection (100% SEF) in stUNFund 0.020 - 60.000 s 0.001 0.500 Operation delay of fundamental UN>protection (95% SEF) in sTable 301:STEFPHIZ Non group settings (basic)Name Values (Range) Unit Step Default DescriptionTVoltType NoVoltageResidualVoltageAllThreePhasesPhaseL1PhaseL2PhaseL3- - ResidualVoltage Used connection type for gen. terminalvoltage transformerGlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Valuegroups9.6.6 Monitored dataTable 302:STEFPHIZ Monitored dataName Type Values (Range) Unit DescriptionUT3 REAL - kV Mag. of 3rd harm. voltageat generator terminalside, VoltsUN3 REAL - kV Mag. of 3rd harm. voltageat generator neutral side,VoltsE3 REAL - kV Total induced stator 3rdharmonic voltage,primary VoltsTable continues on next page1MRK502052-UEN B Section 9Voltage protection535Technical manual
