GE D30 Instruction Manual

Also see for D30 series: Communications manual Communications guide Instruction manual Instruction manual Instruction manual

Contents

2-20 D30 Line Distance Protection System GE Multilin2.4 SPECIFICATIONS 2 PRODUCT DESCRIPTION2PHASE UNDERVOLTAGEPickup level: 0.000 to 3.000 pu in steps of 0.001Dropout level: 102 to 103% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VCurve shapes: GE IAV Inverse;Definite Time (0.1s base curve)Curve multiplier: Time dial = 0.00 to 600.00 in steps of0.01Curve timing accuracyat <0.90 x pickup: ±3.5% of operate time or ±1/2 cycle(whichever is greater) from pickup tooperateOperate time: <30 ms at 0.9 pickup at 60 Hz for Defi-nite Time modeAUXILIARY UNDERVOLTAGEPickup level: 0.000 to 3.000 pu in steps of 0.001Dropout level: 102 to 103% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VCurve shapes: GE IAV Inverse, Definite TimeCurve multiplier: Time Dial = 0 to 600.00 in steps of 0.01Curve timing accuracyat <0.90 x pickup: ±3.5% of operate time or ±1/2 cycle(whichever is greater) from pickup tooperateOperate time: <30 ms at 0.9 pickup at 60 Hz for Defi-nite Time modePHASE OVERVOLTAGEPickup level: 0.000 to 3.000 pu in steps of 0.001Dropout level: 97 to 98% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VPickup delay: 0.00 to 600.00 in steps of 0.01 sOperate time: <30 ms at 1.10 × pickup at 60 HzTimer accuracy: ±3% of operate time or ±1/4 cycle(whichever is greater)NEUTRAL OVERVOLTAGEPickup level: 0.000 to 3.000 pu in steps of 0.001Dropout level: 97 to 98% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VPickup delay: 0.00 to 600.00 s in steps of 0.01 (definitetime) or user-defined curveReset delay: 0.00 to 600.00 s in steps of 0.01Curve timing accuracyat >1.1 x pickup: ±3.5% of operate time or ±1 cycle(whichever is greater) from pickup tooperateOperate time: <30 ms at 1.10 × pickup at 60 HzAUXILIARY OVERVOLTAGEPickup level: 0.000 to 3.000 pu in steps of 0.001Dropout level: 97 to 98% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VPickup delay: 0 to 600.00 s in steps of 0.01Reset delay: 0 to 600.00 s in steps of 0.01Timer accuracy: ±3% of operate time or ±1/4 cycle(whichever is greater)Operate time: <30 ms at 1.10 × pickup at 60 HzNEGATIVE SEQUENCE OVERVOLTAGEPickup level: 0.000 to 1.250 pu in steps of 0.001Dropout level: 97 to 98% of pickupLevel accuracy: ±0.5% of reading from 10 to 208 VPickup delay: 0 to 600.00 s in steps of 0.01Reset delay: 0 to 600.00 s in steps of 0.01Timer accuracy: ±3% of operate time or ±20 ms, which-ever is greaterOperate time: <30 ms at 1.10 × pickup at 60 HzBREAKER ARCING CURRENTPrinciple: accumulates breaker duty (I2 t) and mea-sures fault durationInitiation: programmable per phase from any Flex-Logic operandCompensation for auxiliary relays: 0 to 65.535 s in steps of 0.001Alarm threshold: 0 to 50000 kA2 -cycle in steps of 1Fault duration accuracy: 0.25 of a power cycleAvailability: 1 per CT bank with a minimum of 2SYNCHROCHECKMax voltage difference: 0 to 400000 V in steps of 1Max angle difference: 0 to 100° in steps of 1Max freq. difference: 0.00 to 2.00 Hz in steps of 0.01Hysteresis for max. freq. diff.: 0.00 to 0.10 Hz in steps of 0.01Dead source function: None, LV1 & DV2, DV1 & LV2, DV1 orDV2, DV1 xor DV2, DV1 & DV2(L = Live, D = Dead)AUTORECLOSURESingle breaker applications, 3-pole tripping schemesUp to 4 reclose attempts before lockoutIndependent dead time setting before each shotPossibility of changing protection settings after each shot withFlexLogicPOWER SWING DETECTFunctions: Power swing block, Out-of-step tripCharacteristic: Mho or QuadMeasured impedance: Positive-sequenceBlocking / tripping modes: 2-step or 3-stepTripping mode: Early or DelayedCurrent supervision:Pickup level: 0.050 to 30.000 pu in steps of 0.001Dropout level: 97 to 98% of pickupFwd / reverse reach (sec. Ω): 0.10 to 500.00 Ω in steps of 0.01Left and right blinders (sec. Ω): 0.10 to 500.00 Ω in steps of 0.01Impedance accuracy: ±5%Fwd / reverse angle impedances: 40 to 90° in steps of 1Angle accuracy: ±2°Characteristic limit angles: 40 to 140° in steps of 1Timers: 0.000 to 65.535 s in steps of 0.001Timer accuracy: ±3% of operate time or ±1/4 cycle(whichever is greater)