9.5.5 SettingsTable 163:STEFPHIZ (59THD) Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation DisabledEnabled- - Disabled Disable/Enable OperationBeta 0.50 - 10.00 - 0.01 3.00 Portion of 3rd harm voltage in neutral pointused as biasCBexists NoYes- - No Defines if generator CB exists (between Gen& Transformer)FactorCBopen 1.00 - 10.00 - 0.01 1.00 Beta is multiplied by this factor when CB isopenVN3rdHPU 0.5 - 10.0 % 0.1 2.0 Pickup 3rd Harm V< protection (whenactivated) % of VB/1,732VT3BlkLevel 0.1 - 10.0 % 0.1 1.0 If VT3 is below limit 3rdH Diff is blocked, in %of VB/1,732VNFundPU 1.0 - 50.0 % 0.1 5.0 Pickup fundamental VN> protection (95%SEF), % of VB/1,732t3rdH 0.020 - 60.000 s 0.001 1.000 Operation delay of 3rd harm-based protection(100% SEF) in stVNFund 0.020 - 60.000 s 0.001 0.500 Operation delay of fundamental VN>protection (95% SEF) in sTable 164:STEFPHIZ (59THD) Non group settings (basic)Name Values (Range) Unit Step Default DescriptionGlobalBaseSel 1 - 6 - 1 1 Selection of one of the Global Base ValuegroupsTVoltType NoVoltageResidualVoltageAllThreePhasesPhaseAPhaseBPhaseC- - ResidualVoltage Used connection type for gen. terminalvoltage transformerSection 9 1MRK 502 043-UUS BVoltage protection284Technical Manual
