Sepam - HV/MV Protection and control units (ENG) - Trinet

CharacteristicscurvesettingIs set pointdefinite, IDMTsetting definite time 10% Ib i Is i 500% IbIDMTresolution 1%accuracy (1) ±5%inhibitionT time delay10% Ib i Is i 50% Ib999 %Ibsetting definite time 100 ms i T i 655 sresolutionIDMT100 ms i T i 1 s10 ms or 1 digitaccuracy (1) definite time ±2% or ±25 msIDMT ±5 ou ±35 ms :drop out/pick-up ratio (93.5 ±5)%current unbalance % measurement (Ii)measurement rangeaccuracy (1)resolution 1%1%Ib to 999%Ib±5% at Incharacteristic timesinstantaneous< 85 mstripping timetime delayedtripping timeaccording to time delaymemory time< 65 msfault recognition time90 ms < t < 120 msreturn time< 45 msoutputs available for program logicinstantaneous F45X/1 1 i X i 2time delayed F45X/2 1 i X i 2remote reading, remote setting* (1)function code F4545hidentification number X (2)parameters curve unit: 0..1 (3)(order of parameters) Is set point unit: % (4)T time delayunit: 10 x ms(1)the data formats are defined in the manuals which describe each communication protocol.(2)the number of protection functions depends on the type of Sepam.(3)meaning of curve index:0: definite time,1: IDMT.(4)percentage of basis current of load Ib.(5)under reference conditions (IEC 60255.6)Protection functions2/31