ABB Relion 670 series - Page 23

12.1.4 Signals.................................................................................................................................................721
12.1.5 Settings.............................................................................................................................................. 722
12.1.6 Operation principle.......................................................................................................................... 722
12.1.7 Filter calculation example...............................................................................................................725
Section 13 Secondary system supervision...........................................................................727
13.1 Current circuit supervision (87)......................................................................................................... 727
13.1.1 Identification.....................................................................................................................................727
13.1.2 Functionality......................................................................................................................................727
13.1.3 Function block...................................................................................................................................727
13.1.4 Signals................................................................................................................................................ 728
13.1.5 Settings..............................................................................................................................................728
13.1.6 Operation principle..........................................................................................................................728
13.1.7 Technical data...................................................................................................................................730
13.2 Fuse failure supervision FUFSPVC.................................................................................................... 730
13.2.1 Identification.................................................................................................................................... 730
13.2.2 Functionality..................................................................................................................................... 730
13.2.3 Function block...................................................................................................................................731
13.2.4 Signals.................................................................................................................................................731
13.2.5 Settings.............................................................................................................................................. 732
13.2.6 Monitored data................................................................................................................................. 733
13.2.7 Operation principle.......................................................................................................................... 733
13.2.7.1 Zero and negative sequence detection.................................................................................... 733
13.2.7.2 Delta current and delta voltage detection...............................................................................735
13.2.7.3 Dead line detection...................................................................................................................... 738
13.2.7.4 Main logic....................................................................................................................................... 739
13.2.8 Technical data...................................................................................................................................742
13.3 Fuse failure supervision VDSPVC (60).............................................................................................. 742
13.3.1 Identification.....................................................................................................................................742
13.3.2 Functionality..................................................................................................................................... 742
13.3.3 Function block.................................................................................................................................. 743
13.3.4 Signals................................................................................................................................................ 743
13.3.5 Settings..............................................................................................................................................744
13.3.6 Monitored data.................................................................................................................................744
13.3.7 Operation principle..........................................................................................................................745
13.3.8 Technical data...................................................................................................................................746
Section 14 Control...................................................................................................................747
14.1 Synchronism check, energizing check, and synchronizing SESRSYN (25).................................747
14.1.1 Identification.....................................................................................................................................747
14.1.2 Functionality..................................................................................................................................... 747
14.1.3 Function block.................................................................................................................................. 748
14.1.4 Signals................................................................................................................................................748
Table of contents
17
Technical manual