ABB RELION 630 Series Applications Manual

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Contents

ABB RELION 630 Series Applications Manual Manual pdf 49 page image

3I> / I > BFCCBRBRFTRRETTRBU3ISTARTPOSCLOSE51BF / 51NBFCB_FAULT_ALCB_FAULT0I0BLOCKBREAKER FAILURE PROTECTIONTRPPTRC(1)TRIPCL_LKOUTBLOCKOPERATERST_LKOUTCB_OPEN_CMDCBFP_RETRIPCOMMON OPERATE12TCS1PO1X327MASTER TRIPOpen CBCBFP BACKUP TRIPX327OROR COMMONORPSMX304610COMBI 08CBFP_RETRIPPSMAVR TripTurbine tripSO11314Common operateCOMMON OPERATESO2X327PSM1516Common startCOMMON START56TCS3PO3Open CBBI 079OPERATECOMMON OPERATETRPPTRC(2)TRIPCL_LKOUTBLOCKOPERATERST_LKOUTCOMMON OPERATECB CLOSEGUID-2E7633C0-AA19-46E1-804B-24A6E1EE9825 V1 ENFigure 17: Tripping logic3.2.6.18 Combined operate and start alarm signalThe operate outputs of all the protection functions (except for underpower protection),and the external trip from AVR and turbine are combined in the OR-gate to get acommon Operate output. In addition, the activation of binary input COM101.BI12,that is, the low pressure lockout will also trip the generator circuit breaker. Thiscommon operate signal is connected to a tripping logic. It is also available as an alarmbinary output, PSM SO1, with a settable minimum alarm delay of 80 ms.Similarly, a common Start output is derived from the start outputs of all the protectionfunctions (except for underpower protection) combined in an OR-gate. The output isavailable as an alarm binary output PSM SO2 with a settable minimum alarm delay of80 ms.These combined operate and start signals are also connected to trigger the disturbancerecorder.1MRS757582 C Section 3REG630 variantsREG630 43Application Manual