ABB Relion 650 Series REB650 Technical Manual page 19

Busbar protection
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Technical manual
Settings................................................................................ 326
Monitored data..................................................................... 327
Phase-neutral voltage measurement VNMMXU........................327
Identification ........................................................................ 327
Function block...................................................................... 327
Signals..................................................................................328
Settings................................................................................ 328
Monitored data..................................................................... 329
Operation principle.................................................................... 329
Measurement supervision.................................................... 329
Measurements CVMMXN.....................................................334
Phase current measurement CMMXU................................. 339
VMMXU, VNMMXU.............................................................. 340
CMSQI..................................................................................340
Technical data........................................................................... 340
Event Counter CNTGGIO...............................................................341
Identification.............................................................................. 341
Functionality.............................................................................. 341
Function block........................................................................... 341
Signals.......................................................................................341
Settings......................................................................................342
Monitored data...........................................................................342
Operation principle.................................................................... 342
Reporting..............................................................................343
Technical data........................................................................... 343
Function description....................................................................... 343
Limit counter L4UFCNT.............................................................343
Introduction................................................................................343
Principle of operation.................................................................344
Design.................................................................................. 344
Reporting..............................................................................345
Function block........................................................................... 345
Signals.......................................................................................346
Settings......................................................................................346
Monitored data...........................................................................347
Technical data........................................................................... 347
Disturbance report.......................................................................... 347
Functionality.............................................................................. 347
Disturbance report DRPRDRE.................................................. 348
Identification......................................................................... 348
Function block...................................................................... 348
Signals..................................................................................348
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