Parameter Values (Range) Unit Step Default DescriptionParallel trafos 0...10 0 Number of parallel transformers inaddition to own transformerDelay characteristic 0=Inverse time1=Definite time1=Definite time Selection of delay characteristicBand width voltage 1.20...18.00 %Un 0.01 3.00 Allowed deviation of the control voltageLoad current limit 0.10...5.00 xIn 0.01 2.00 Load current blocking limitBlock lower voltage 0.10...1.20 xUn 0.01 0.70 Voltage limit, where further voltagelowering commands are blockedRunback raise V 0.80...2.40 xUn 0.01 1.25 Voltage limit, where fast lowercommands takes placeCir current limit 0.10...5.00 xIn 0.01 0.15 Blocking limit for high circulating currentLDC limit 0.00...2.00 xUn 0.01 0.10 Maximum limit for line dropcompensation termLower block tap -36...36 0 Tap changer limit position which giveslowest voltage on the regulated sideRaise block tap -36...36 17 Tap changer limit position which giveshighest voltage on the regulated sideMax operations in 1h 0...10000 100 Allowed number of controls per one hoursliding windowCmd error delay time 10...50 s 20 Time delay before command error will beactivatedFollower delay time 6...20 s 6 Time delay between successive followercommands by a masterLTC pulse time 500...10000 ms 100 1500 Output pulse duration, common for raiseand lower pulsesLDC enable 0=False1=True1=True Selection for line drop compensationAlarms enabled 0=False1=True1=True Alarm selectionRv Pwr flow allowed 0=False1=True0=False Reverse power flow allowed9.5.18 Monitored dataTable 640:OLATCC Monitored dataName Type Values (Range) Unit DescriptionTAP_POS INT8 -36...36 Integer valuerepresenting tap changerposition of owntransformerTR0_I_AMPL FLOAT32 0.00...15000.00 A Transmitted currentmagnitudeTR0_I_ANGL FLOAT32 -180.00...180.00 deg Transmitted currentangleU_MEAS FLOAT32 0.00...5.00 xUn Phase-to-phase voltage,average filteredTable continues on next pageSection 9 1YHT530004D05 DControl functions760 615 seriesTechnical Manual