ABB Relion Technical Manual page 26

Table of contents
20
Identification .............................................................................. 522
Function block............................................................................ 522
Signals........................................................................................522
Settings.......................................................................................523
Monitored data............................................................................524
Phase-neutral voltage measurement VNMMXU..............................525
Identification .............................................................................. 525
Function block............................................................................ 525
Signals........................................................................................525
Settings.......................................................................................526
Monitored data............................................................................527
Operation principle.......................................................................... 527
Measurement supervision.......................................................... 527
Measurements CVMMXN...........................................................531
Phase current measurement CMMXU........................................536
Phase-phase and phase-neutral voltage measurements
VMMXU, VNMMXU.................................................................... 537
Voltage and current sequence measurements VMSQI, CMSQI 537
Technical data................................................................................. 537
Event Counter CNTGGIO..................................................................... 538
Identification.................................................................................... 538
Functionality.................................................................................... 538
Function block................................................................................. 538
Signals.............................................................................................539
Settings............................................................................................539
Monitored data.................................................................................539
Operation principle.......................................................................... 540
Reporting.................................................................................... 540
Technical data................................................................................. 540
Function description..............................................................................541
Limit counter L4UFCNT................................................................... 541
Introduction......................................................................................541
Principle of operation.......................................................................541
Design........................................................................................ 541
Reporting.................................................................................... 543
Function block................................................................................. 543
Signals.............................................................................................543
Settings............................................................................................544
Monitored data.................................................................................544
Technical data................................................................................. 545
Technical manual