ABB 650 series Applications Manual

Also see for 650 series: Engineering manual Product guide Technical manual Engineering manual

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ABB 650 series Applications Manual Manual pdf 145 page image

• BC_12_CL = 0• VP_BC_12 = 1• BBTR_OP = 1• VP_BBTR = 18.3.4 Interlocking for transformer bay AB_TRAFO IP14149-1 v28.3.4.1 Application M13567-3 v7The interlocking for transformer bay (AB_TRAFO) function is used for atransformer bay connected to a double busbar arrangement according to figure 57.The function is used when there is no disconnector between circuit breaker andtransformer. Otherwise, the interlocking for line bay (ABC_LINE) function can beused. This function can also be used in single busbar arrangements.QB1 QB2QC1QA1QC2WA1 (A)WA2 (B)QA2QC3TQC4QB4QB3QA2 and QC4 are notused in this interlockingAB_TRAFOen04000515.vsdIEC04000515 V1 EN-USFigure 57: Switchyard layout AB_TRAFOM13566-4 v4The signals from other bays connected to the module AB_TRAFO are describedbelow.1MRK 511 423-UEN A Section 8ControlBay control REC650 2.2 IEC 139Application manual