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

Use - commissioningUse (current operation) (cont'd)Operation via the pocketterminalfunction pocket terminal menu name description range accuracyphase currents add. reading I phase I1 winding 1 current measurement 0 to 24In ±0.5% at InI2I3I1' winding 2 current measurement 0 to 24In ±0.5% at InI2'I3'I1" winding 3 current measurement (1) 0 to 24In ±0.5% at InI2"I3"dPhi1' measurement of phase shift between 0 to 360° ±3° at IndPhi2' winding 2 currents and winding 1 currents (2)dPhi3'dPhi1" Measurement of phase shift between 0 to 360° ±3° at IndPhi2"(2) (1)winding 3 currents and winding 1 currentsdPhi3"neutral point current add. reading I phase Io measurement of winding 1 neutral 0 to 10Ino ±5% at Inopoint currentadd. reading I' phase Io' measurement of winding 2 neutral 0 to 10Ino ±5% at Inopoint currentadd. reading I" phase Io" measurement of winding 3 neutral 0 to 10Ino ±5% at Inopoint currentdifferential and add. reading Id1 measurement of differential current 0 to 24In ±5%through currents I diff. and I thr. Id2 after phase and amplitude;Id3 expressed in winding 1 ampsIt1 measurement of through current after 0 to 24In ±5%It2 phase and amplitude;It3 expressed in winding 1 ampstrip Id1 value of differential current at the 0 to 24In ±5%trip Id2 time of trippingtrip Id3 expressed in winding 1 ampstrip It1 value of through current at 0 to 24In ±5%trip It2 the time of trippingtrip It3 expressed in winding 1 amps(1)Sepam 2000 D31 only,(2)angles counted in the clockwise direction,e.g.: for a Yd1 transformer, dPhi1' = dPhi2' = dPhi3' = 30°,(3)the pocket terminal clear key is pressed to resset currents at the time of tripping.2/6 D21 - D22 - D31 - Installation - Use - Commissioning