Name Type DescriptionSTFW BOOLEAN Start signal forward directionSTRV BOOLEAN Start signal reverse direction2NDHARMD BOOLEAN 2nd harmonic block signal8.4.5 SettingsTable 174:EF4PTOC Group settings (basic)Name Values (Range) Unit Step Default DescriptionOperation OffOn- - Off Operation Off / OnEnDir DisableEnable- - Enable Enabling the Directional calculationAngleRCA -180 - 180 Deg 1 65 Relay Characteristic Angle (RCA)polMethod VoltageCurrentDual- - Voltage Type of polarizationUPolMin 1 - 100 %UB 1 1 Minimum voltage level for polarization in% of UBaseIPolMin 2 - 100 %IB 1 5 Minimum current level for polarization in% of IBaseRNPol 0.50 - 1000.00 Ohm 0.01 5.00 Real part of source impedance used forcurrent polarisationXNPol 0.50 - 3000.00 Ohm 0.01 40.00 Imaginary part of source imp. used forcurrent polarisationIN>Dir 1 - 100 %IB 1 10 Residual current level in % of IBase forDirection release2ndHarmStab 5 - 100 % 1 20 Operate level of 2nd harmonic curr in % offundamental currBlkParTransf OffOn- - Off Enable blocking at energizing of paralleltransformersUseStartValue IN1>IN2>IN3>IN4>- - IN4> Current level blk at parallel transf (step1,2, 3 or 4)SOTF OffSOTFUnderTimeSOTF&UnderTime- - Off SOTF operation mode (Off/SOTF/Undertime/SOTF&Undertime)ActivationSOTF OpenClosedCloseCommand- - Open Select signal to activate SOTF: CB-Open/-Closed/ -Close cmdStepForSOTF Step 2Step 3- - Step 2 Select start from step 2 or 3 to start SOTFHarmBlkSOTF OffOn- - Off Enable harmonic restrain function inSOTFtSOTF 0.000 - 60.000 s 0.001 0.200 Time delay for SOTFt4U 0.000 - 60.000 s 0.001 1.000 Switch-onto-fault active timeTable continues on next pageSection 8 1MRK502052-UEN BCurrent protection356Technical manual
