2-28 F60 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUALSPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION2Trigger: any FlexLogic operandMode: continuous or triggeredStorage capacity: (NN is dependent on memory)1-second rate:01 channel for NN days16 channels for NN days↓60-minute rate:01 channel for NN days16 channels for NN daysFAULT LOCATORNumber of independent fault locators: 1 per CT bank (to a maximum of 3)Method: single-endedVoltage source: wye-connected VTs, delta-connected VTs and neutral voltage, delta-connected VTs and zero-sequence current (approximation)Maximum accuracy if: fault resistance is zero or fault currents from all line terminals are in phaseRelay accuracy: ±1.5% (V > 10 V, I > 0.1 pu)Worst-case accuracy:VT %error + user dataCT %error + user dataZ Line%error + user dataRELAY ACCURACY %error + 1.5%HI-ZDetections: Arc Suspected, Arc Detected, Downed Conductor, Phase IdentificationPHASOR MEASUREMENT UNITOutput format: per IEEE C37.118 or IEC 61850-90-5 standardNumber of channels: 14 synchrophasors, 8 analogs, 16 digitalsTVE (total vector error): <1%Triggering: frequency, voltage, current, power, rate of change of frequency, user-definedReporting rate: 1, 2, 5, 10, 12, 15, 20, 25, 30, 50, or 60 times per second for P and M class, and 100 or 120 timesper second for P class onlyNumber of clients: one over TCP/IP port and one over UDP/IP per aggregatorAC ranges: as indicated in appropriate specification sectionsNetwork reporting format: 16-bit integer (for IEEE C37.118) or 32-bit IEEE floating point numbersNetwork reporting style: rectangular (real and imaginary for IEEE C37.188) or polar (magnitude and angle) coordinatesPost-filtering: none, 3-point, 5-point, 7-pointCalibration: ±5° (angle) and ±5% (magnitude)2.5.4 MeteringRMS CURRENT: PHASE, NEUTRAL, AND GROUNDAccuracy at0.1 to 2.0 × CT rating: ±0.25% of reading or ±0.1% of rated (whichever is greater)> 2.0 × CT rating: ±1.0% of readingRMS VOLTAGEAccuracy: ±0.5% of reading from 10 to 208 VREAL POWER (WATTS)Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:±1.0% of reading at –1.0 ≤ PF < –0.8 and 0.8 < PF ≤ 10REACTIVE POWER (VARS)Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
