Signal DescriptionIDIFF Magnitude of fundamental frequency differential currentANGLE Direction angle from zero sequence featureI2RATIO Second harmonic ratio6.2.5 SettingsTable 33:Basic general settings for the function REFPDIF (REF1-)Parameter Range Step Default Unit DescriptionGlobalBaseSel 1 - 6 1 1 - Selection of one ofthe Global BaseValue groupsTable 34:Basic parameter group settings for the function REFPDIF (REF1-)Parameter Range Step Default Unit DescriptionOperation OffOn- Off - Operation Off / OnIdMin 4.0 - 100.0 0.1 10.0 %IB Maximum sensitivityin % of IBaseTable 35:Advanced parameter group settings for the function REFPDIF (REF1-)Parameter Range Step Default Unit DescriptionROA 60 - 90 1 60 Deg Relay operate anglefor zero sequencedirectional feature6.2.6 Monitored dataTable 36:REFPDIF Monitored dataName Type Values (Range) Unit DescriptionIRES REAL - A Magnitude offundamental frequencyresidual currentIN REAL - A Magnitude offundamental frequencyneutral currentIBIAS REAL - A Magnitude of the biascurrentIDIFF REAL - A Magnitude offundamental frequencydifferential currentANGLE REAL - deg Direction angle from zerosequence featureI2RATIO REAL - - Second harmonic ratio1MRK 502 048-UEN A Section 6Differential protection111Technical manual
