12.3.5 Technical dataTable 244:TR8ATCC, TCMYLTC technical dataFunction Range or value AccuracyTransformer reactance onATCC side(0.1–200.0)Ω, primary -Time delay for lowercommand when fast stepdown mode is activated(1.0–100.0) s -Voltage control set voltage (85.0–120.0)% of UB2 ±0.5% of UrOuter voltage deadband (0.2–9.0)% of UB2 ± 5,0% of set valueInner voltage deadband (0.1–9.0)% of UB2 ± 5,0% of set valueUpper limit of busbar voltage (80–180)% of UB2 ± 0.5% of UrLower limit of busbar voltage (70–120)% of UB2 ± 0.5% of UrUndervoltage block level (0–120)% of UB2 ± 0.5% of UrTime delay (long) forautomatic control commands(3–1000) s ± 0.5% ± 110 msTime delay (short) forautomatic control commands(1–1000) s ± 0.5% ± 110 msMinimum operating time ininverse mode(3–120) s ± 0.5% ± 110 msLine resistance (0.00–150.00)Ω, primary -Line reactance (-150.00–150.00)Ω, primary -Load voltage adjustmentconstants(-20.0–20.0)% of UB2 ± 5,0% of set valueLoad voltage auto correction (-20.0–20.0)% of UB2 ± 5,0% of set valueOvercurrent block level (0–250)% of IBase (for winding 1 which isdefined in a global base function, selectedwith setting GlobalBaseSel1 forTR8ATCC)± 1.0% of Ir at I≤Ir± 1.0% of I at I>IrLevel for number of countedraise/lower within one hour(0–30) operations/hour -Level for number of countedraise/lower within 24 hours(0–100) operations/day -Time window for huntingalarm(1–120) minutes -Hunting detection alarm, maxoperations/window(3–30) operations/window -Alarm level of active power inforward and reverse direction(-9999.99–9999.99) MW ± 1.0% of SrAlarm level of reactive powerin forward and reversedirection(-9999.99–9999.99) MVAr ± 1.0% of SrTime delay for alarms frompower supervision(1–6000) s ± 0.5% ± 110 msTap position for lowest andhighest voltage(1–63) -Type of code conversion Binary, BCD, Gray, ContactPerTap -Table continues on next page1MRK 504 135-UEN A Section 12Control351Technical manual
