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

Connection of 2 VTsThis arrangement does not allow residual voltageto be measured by the sum method.Use the pocket terminal to set the Number parameterof the phase VT ratio heading in the Status menuto 3U.or1233U/V0U21U32U13V2DPCSW1A8A7A6A5A4A3A2A1P1S1P2S2microswitch settingvoltage inputsNumber = 3UConnection of 1 VTThis arrangement does not allow residual voltageto be measured by the sum method.Use the pocket terminal to set the Number parameterof the phase VT ratio heading in the Status menu tothe value indicated in the diagram opposite.o1233U/VoU21U32U13VoDPCSW1P1S1A8A7A6A5A4A3A2A1P2S2microswitch settingo1233U/VoU21U32U13VoDPCSW1P1S1A8A7A6A5A4A3A2A1P2S2microswitch settingvoltage inputsNumber = 1Uvoltage inputsNumber = VConnection of residualvoltage input123This arrangement is used to connect the residualvoltage measured outside Sepam 2000 viaa transformer with broken delta-star windings.The connection is made on terminals A1 and A2of the 8-pin connector.Use the pocket terminal to set the Vnso parameterto Uns/e or Uns/3 according to the type of VT used.3U/V0U21U32U13V2DPCA8A7A6A5A4A3A2A1P1S1P2S2SW1microswitch settingvoltage inputsInstallation - Use - General characteristics - Testing1/23