ABB Relion REC670 Applications Manual

Also see for Relion 670 series: Quick start guide Quick start guide Application guide Application guide Commissioning manual

Contents

ABB Relion REC670 Applications Manual Manual pdf 274 page image

13.4.2.1 Application M13561-3 v8The interlocking for line bay (ABC_LINE) function is used for a line connected to a doublebusbar arrangement with a transfer busbar according to figure 111. The function can also beused for a double busbar arrangement without transfer busbar or a single busbararrangement with/without transfer busbar.QB1 QB2QC1QA1QC2QB9QC9WA1 (A)WA2 (B)WA7 (C)QB7en04000478.vsdIEC04000478 V1 EN-USFigure 111: Switchyard layout ABC_LINEM13560-4 v5The signals from other bays connected to the module ABC_LINE are described below.13.4.2.2 Signals from bypass busbar M13560-6 v5To derive the signals:SignalBB7_D_OP All line disconnectors on bypass WA7 except in the own bay are open.VP_BB7_D The switch status of disconnectors on bypass busbar WA7 are valid.EXDU_BPB No transmission error from any bay containing disconnectors on bypassbusbar WA7These signals from each line bay (ABC_LINE) except that of the own bay are needed:SignalQB7OPTR Q7 is openVPQB7TR The switch status for QB7 is valid.EXDU_BPB No transmission error from the bay that contains the above information.For bay n, these conditions are valid:Section 13 1MRK 511 358-UEN AControl268Application manual