5.4.6 SignalsTable 520:SCEFRFLO Input signalsName Type Default DescriptionI_A SIGNAL 0 Phase A currentI_B SIGNAL 0 Phase B currentI_C SIGNAL 0 Phase C currentIo SIGNAL 0 Residual currentI1 SIGNAL 0 Positive sequence currentI2 SIGNAL 0 Negative sequence currentU_A_AB SIGNAL 0 Phase to earth voltage A or phase to phase voltageABU_B_BC SIGNAL 0 Phase to earth voltage B or phase to phase voltageBCU_C_CA SIGNAL 0 Phase to earth voltage C or phase to phase voltageCAUo SIGNAL 0 Residual voltageU1 SIGNAL 0 Positive phase sequence voltageU2 SIGNAL 0 Negative phase sequence voltageBLOCK BOOLEAN 0=False Signal for blocking the triggeringTRIGG BOOLEAN 0=False Distance calculation triggering signalTRIGG_XC0F BOOLEAN 0=False XC0F calculation triggering signalTable 521:SCEFRFLO Output signalsName Type DescriptionALARM BOOLEAN Fault location alarm signal5.4.7 SettingsTable 522:SCEFRFLO Group settings (Basic)Parameter Values (Range) Unit Step Default DescriptionZ Max phase load 1.0...10000.0 ohm 0.1 80.0 Impedance per phase of max. load,overcurr./under-imp., PSLPh leakage Ris 20...1000000 ohm 1 210000 Line PhE leakage resistance in primaryohmsPh capacitive React 10...1000000 ohm 1 7000 Line PhE capacitive reactance in primaryohmsR1 line section A 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence line resistance, linesection AX1 line section A 0.000...1000.000 ohm / pu 0.001 1.000 Positive sequence line reactance, linesection ATable continues on next page1MRS758755 A Section 5Protection related functionsREC615 and RER615 503Technical Manual
