2-22 D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUALSPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION2Characteristic angle: –90 to 90° in steps of 1Limit angle: 40 to 90° in steps of 1, independent for forward and reverseAngle accuracy: ±2°Offset impedance: 0.00 to 250.00 Ω in steps of 0.01Pickup level: 0.002 to 30.000 pu in steps of 0.01Dropout level: 97 to 98%Operation time: <16 ms at 3 × pickup at 60 HzNEGATIVE SEQUENCE DIRECTIONAL OCDirectionality: Co-existing forward and reversePolarizing: VoltagePolarizing voltage: V_2Operating current: I_2Level sensing:Zero-sequence: |I_0| – K × |I_1|Negative-sequence: |I_2| – K × |I_1|Restraint, K: 0.000 to 0.500 in steps of 0.001Characteristic angle: 0 to 90° in steps of 1Limit angle: 40 to 90° in steps of 1, independent for forward and reverseAngle accuracy: ±2°Offset impedance: 0.00 to 250.00 Ω in steps of 0.01Pickup level: 0.015 to 30.000 pu in steps of 0.01Dropout level: 97 to 98%Operation time: <16 ms at 3 × pickup at 60 HzWATTMETRIC ZERO-SEQUENCE DIRECTIONALMeasured power: zero-sequenceNumber of elements: 2Characteristic angle: 0 to 360° in steps of 1Minimum power: 0.001 to 1.200 pu in steps of 0.001Pickup level accuracy: ±1% or ±0.0025 pu, whichever is greaterHysteresis: 3% or 0.001 pu, whichever is greaterPickup delay: definite time (0 to 600.00 s in steps of 0.01), inverse time, or FlexCurveInverse time multiplier: 0.01 to 2.00 s in steps of 0.01Curve timing accuracy: ±3.5% of operate time or ±1 cycle (whichever is greater) from pickup to operateOperate time: <30 ms at 60 HzPHASE UNDERVOLTAGEPickup level: 0.004 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 (0.1 s base curve)Curve multiplier: Time dial = 0.00 to 600.00 in steps of 0.01Curve timing accuracy at <0.90 x pickup:±3.5% of operate time or ±1/2 cycle (whichever is greater) from pickup to operateOperate time: <30 ms at 0.9 pickup at 60 Hz for Definite Time modeAUXILIARY UNDERVOLTAGEPickup level: 0.004 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 accuracy at <0.90 x pickup:±3.5% of operate time or ±1/2 cycle (whichever is greater) from pickup to operateOperate time: <30 ms at 0.9 pickup at 60 Hz for Definite Time mode
