ABB Relion 650 Series Technical Manual page 9

Bay control REC650 2.2 IEC
Technical manual
Section 7 Secondary system supervision.....................................111
Current circuit supervision CCSSPVC............................................111
Identification.............................................................................. 111
Functionality.............................................................................. 111
Function block........................................................................... 111
Signals.......................................................................................112
Settings......................................................................................112
Operation principle.................................................................... 112
Technical data........................................................................... 114
Fuse failure supervision FUFSPVC................................................114
Identification.............................................................................. 114
Functionality.............................................................................. 115
Function block........................................................................... 115
Signals.......................................................................................116
Settings......................................................................................117
Monitored data...........................................................................118
Operation principle.................................................................... 118
Zero and negative sequence detection................................ 118
Delta current and delta voltage detection.............................120
Dead line detection...............................................................123
Main logic............................................................................. 124
Technical data........................................................................... 127
Section 8 Control..........................................................................129
Synchrocheck, energizing check, and synchronizing SESRSYN...129
Identification.............................................................................. 129
Functionality.............................................................................. 129
Function block........................................................................... 130
Signals.......................................................................................130
Settings......................................................................................133
Monitored data...........................................................................135
Operation principle.................................................................... 135
Basic functionality.................................................................135
Logic diagrams..................................................................... 136
Technical data........................................................................... 148
Interlocking .................................................................................... 149
Functionality.............................................................................. 149
Operation principle.................................................................... 149
Logical node for interlocking SCILO ......................................... 152
Identification......................................................................... 152
Functionality......................................................................... 152
Function block...................................................................... 153
Signals..................................................................................153
Table of contents
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