GE Multilin L30 Line Current Differential System 5-1175 SETTINGS 5.6 GROUPED ELEMENTS5b) CURRENT DIFFERENTIALPATH: SETTINGS ÖØ GROUPED ELEMENTS Ö SETTING GROUP 1(6) Ö LINE DIFFERENTIAL... Ö CURRENT DIFFERENTIALThe following settings are available for current differential protection.• CURRENT DIFF SIGNAL SOURCE 1: This setting selects the first source for the current differential element localoperating current. If more than one source is configured, the other source currents are scaled to the CT with the maxi-mum primary current assigned by the CURRENT DIFF SIGNAL SOURCE 1 to CURRENT DIFF SIGNAL SOURCE 4 settings. Thissource is mandatory and is assigned with the SYSTEM SETUP ÖØ SIGNAL SOURCES Ö SOURCE 1 menu.• CURRENT DIFF BLOCK: This setting selects a FlexLogic™ operand to block the operation of the current differentialelement.• CURRENT DIFF PICKUP: This setting is used to select current differential pickup value. CURRENT DIFFERENTIALCURRENT DIFFFUNCTION: DisabledRange: Disabled, EnabledMESSAGE CURRENT DIFF SIGNALSOURCE 1: SRC 1Range: SRC 1, SRC 2MESSAGE CURRENT DIFF BLOCK:OffRange: FlexLogic™ operandMESSAGE CURRENT DIFFPICKUP: 0.20 puRange: 0.10 to 4.00 pu in steps of 0.01MESSAGE CURRENT DIFFCT TAP 1: 1.00Range: 0.20 to 5.00 in steps of 0.01MESSAGE CURRENT DIFFCT TAP 2: 1.00Range: 0.20 to 5.00 in steps of 0.01MESSAGE CURRENT DIFFRESTRAINT 1: 30%Range: 1 to 50% in steps of 1MESSAGE CURRENT DIFFRESTRAINT 2: 50%Range: 1 to 70% in steps of 1MESSAGE CURRENT DIFFBREAK PT: 1.0 puRange: 0.0 to 20.0 pu in steps of 0.1MESSAGE CURRENT DIFF GNDFUNCTION: DisabledRange: Disabled, EnabledMESSAGE CURRENT DIFF GNDPICKUP: 0.10 puRange: 0.05 to 1.00 pu in steps of 0.01MESSAGE CURRENT DIFF GNDRESTRAINT: 25%Range: 1 to 50% in steps of 1MESSAGE CURRENT DIFF GNDDELAY: 0.10 sRange: 0.00 to 5.00 s in steps of 0.01MESSAGE CURRENT DIFF DTT:EnabledRange: Disabled, EnabledMESSAGE CURRENT DIFF KEY DTT:OffRange: FlexLogic™ operandMESSAGE CURRENT DIFFTARGET: Self-resetRange: Self-reset, Latched, DisabledMESSAGE CURRENT DIFFEVENTS: DisabledRange: Disabled, Enabled
