GE Multilin 745 Instruction Manual

S4 Elements745Transformer Management RelaySetpointshttp://www.GEindustrial.com/multilin5ñ70 GE Multilind) OverfrequencyPATH: SETPOINTS !" S4 ELEMENTS !" FREQUENCY !" OVERFREQUENCY 1(2)ï MINIMUM OPERATING CURRENT: Enter the minimum value of Winding 1Phase A current (in units of relay nominal current) required to allow theoverfrequency element to operate.ï MINIMUM OPERATING VOLTAGE: Enter the minimum voltage value (in unitsof relay nominal voltage) required to allow overfrequency to operate.ï OVERFREQUENCY PICKUP: Enter the frequency (in Hz) above which theoverfrequency element will pickup and start the delay timer.ï OVERFREQUENCY DELAY: Enter the time that the frequency must remainabove the pickup level before the element operates.FIGURE 5ñ31: Overfrequency Scheme Logic! OVERFREQUENCY [!] OVERFREQUENCYFUNCTION: DisabledRange: Enabled, DisabledMESSAGE OVERFREQUENCYTARGET: LatchedRange: Self-Reset, Latched, NoneMESSAGE CURRENT SENSING:EnabledRange: Enabled, DisabledMESSAGE MINIMUM OPERATINGCURRENT: 0.20 x CTRange: 0.20 to 1.00 x CT in steps of0.01MESSAGE MINIMUM OPERATINGVOLTAGE: 0.50 x VTRange: 0.10 to 0.99 x CT in steps of0.01MESSAGE OVERFREQUENCYPICKUP: 60.50 HzRange: 50.01 to 65.00 Hz in steps of0.01MESSAGE OVERFREQUENCYDELAY: 5.00 sRange: 0.00 to 600.00 s in steps of 0.01MESSAGE OVERFREQUENCYBLOCK: DisabledRange: Logc Inpt 1 to 16, Virt Inpt 1 to16, Output Rly 2 to 8, SelfTestRly, Vir Outpt 1 to 5, Disabled