GE Multilin L90 Line Current Differential System 5-2595 SETTINGS 5.7 CONTROL ELEMENTS5Figure 5–140: VT FUSE FAIL SCHEME LOGIC827093AN.CDRFUSEFAILFAULTANDANDANDANDSETRESETReset-dominantLatchANDANDANDANDANDOR ORORORLatchSETReset-dominantRESETFunctionSETTINGDisabled = 0Enabled = 1SOURCE 1V_2V_1I_1COMPARATORSRunV_1 < 0.05 puRunV_2 > 0.1 puRunI_1 > 0.075 puRunV_1 < 0.80 puRunI_1 < 0.05 puSRC1 50DD OPFLEXLOGIC OPERANDS2 cycles20 cycles SRC1 VT FUSE FAIL OPFLEXLOGIC OPERANDSSRC1 VT FUSE FAIL DPOSRC1 VT FUSE FAIL VOL LOSSFLEXLOGIC OPERANDTIMEROPEN POLE OPThe OPEN POLE OP operand is applicableto the D60, L60, and L90 only.Neutral Wire Open DetectSETTINGDisabled = 0Enabled = 1ANDSRC1 3V0 3rd HarmonicFLEX-ANALOGSRC1 VT NEU WIRE OPENFLEXLOGIC OPERAND3V_0(3rd Harmonic)SOURCE5 cycles0TIMER020 cyclesTIMERSETTINGRun3V_0 3rd Harm>setting3 HARM PKPANDNote 3V_0 is the sample summationof Va, Vb, and Vc.ANDOR
