ABB REG670 - Page 21

Operation principle.................................................................... 604
Technical data........................................................................... 606
Fuse failure supervision FUFSPVC................................................606
Identification.............................................................................. 606
Functionality.............................................................................. 607
Function block........................................................................... 607
Signals.......................................................................................608
Settings......................................................................................609
Monitored data...........................................................................610
Operation principle.................................................................... 610
Zero and negative sequence detection................................ 610
Delta current and delta voltage detection.............................612
Dead line detection...............................................................615
Main logic............................................................................. 616
Technical data........................................................................... 619
Fuse failure supervision VDSPVC..................................................619
Identification.............................................................................. 619
Functionality.............................................................................. 619
Function block........................................................................... 620
Signals.......................................................................................620
Settings......................................................................................621
Monitored data...........................................................................621
Operation principle.................................................................... 622
Technical data........................................................................... 623
Section 14 Control..........................................................................625
Synchrocheck, energizing check, and synchronizing SESRSYN...625
Identification.............................................................................. 625
Functionality.............................................................................. 625
Function block........................................................................... 626
Signals.......................................................................................626
Settings......................................................................................628
Monitored data...........................................................................631
Operation principle.................................................................... 631
Basic functionality.................................................................631
Logic diagrams..................................................................... 632
Technical data........................................................................... 643
Interlocking .................................................................................... 644
Functionality.............................................................................. 644
Operation principle.................................................................... 644
Logical node for interlocking SCILO .........................................647
Identification......................................................................... 647
Functionality......................................................................... 647
Function block...................................................................... 648
Table of contents
15
Technical manual