5-222 F60 Feeder Protection System GE Multilin5.6 GROUPED ELEMENTS 5 SETTINGS5e) NEGATIVE SEQUENCE OVERVOLTAGE (ANSI 59Q, IEC PTOV)PATH: SETTINGS GROUPED ELEMENTS SETTING GROUP 1(6) VOLTAGE ELEMENTS NEG SEQ OV1(3)There are three negative-sequence overvoltage elements available.The negative-sequence overvoltage element may be used to detect loss of one or two phases of the source, a reversedphase sequence of voltage, or a non-symmetrical system voltage condition.Figure 5–99: NEGATIVE-SEQUENCE OVERVOLTAGE SCHEME LOGIC NEG SEQ OV1NEG SEQ OV1FUNCTION: DisabledRange: Disabled, EnabledMESSAGE NEG SEQ OV1 SIGNALSOURCE: SRC 1Range: SRC 1, SRC 2, SRC 3, SRC 4MESSAGE NEG SEQ OV1 PICKUP:0.300 puRange: 0.000 to 1.250 pu in steps of 0.001MESSAGE NEG SEQ OV1 PICKUPDELAY: 0.50 sRange: 0.00 to 600.00 s in steps of 0.01MESSAGE NEG SEQ OV1 RESETDELAY: 0.50 sRange: 0.00 to 600.00 s in steps of 0.01MESSAGE NEG SEQ OV1 BLOCK:OffRange: FlexLogic operandMESSAGE NEG SEQ OV1 TARGET:Self-resetRange: Self-reset, Latched, DisabledMESSAGE NEG SEQ OV1 EVENTS:DisabledRange: Disabled, EnabledSETTINGSETTINGSFLEXLOGIC OPERANDSSETTINGSETTINGNEG SEQ OV1FUNCTION:NEG SEQ OV1 RESETDELAY:NEG SEQ OV1 PICKUPDELAY:NEG SEQ OV1 PKPNEG SEQ OV1 DPONEG SEQ OV1 OPNEG SEQ OV1 BLOCK:Off = 0Enabled = 1NEG SEQ OV1 SIGNALSOURCE:NEG SEQ VOLTAGE V_2827839A4.CDRANDSETTINGNEG SEQ OV1 PICKUP:RUNttPKPRSTV_2 > PICKUP
