ABB Relion 670 series, Technical Reference Manual

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Section 12 Control...............................................................................615
Synchronism check, energizing check, and synchronizing
SESRSYN (25).....................................................................................615
Introduction......................................................................................615
Principle of operation.......................................................................616
Basic functionality.......................................................................616
Logic diagrams...........................................................................616
Function block.................................................................................626
Input and output signals..................................................................627
Setting parameters..........................................................................629
Technical data.................................................................................632
Autorecloser SMBRREC (79)...............................................................633
Introduction......................................................................................633
Principle of operation.......................................................................633
Logic Diagrams...........................................................................633
Auto-reclosing operation
Disabled and Enabled........................634
Auto-reclosing mode selection...................................................634
Initiate auto-reclosing and conditions for initiation of a
reclosing cycle............................................................................634
Control of the auto-reclosing open time for shot 1......................636
Long trip signal...........................................................................637
Time sequence diagrams...........................................................643
Function block.................................................................................648
Input and output signals..................................................................648
Setting parameters..........................................................................650
Technical data.................................................................................652
Apparatus control APC.........................................................................652
Introduction......................................................................................652
Principle of operation.......................................................................653
Error handling..................................................................................653
Bay control QCBAY.........................................................................655
Introduction.................................................................................655
Principle of operation..................................................................655
Function block............................................................................657
Input and output signals.............................................................657
Setting parameters.....................................................................658
Local/Remote switch LOCREM, LOCREMCTRL............................658
Introduction.................................................................................658
Principle of operation..................................................................658
Table of contents
16
Technical reference manual