Technical data................................................................................. 318
Frequency time accumulation protection function FTAQFVR (81A).....318
Identification.................................................................................... 318
Functionality ................................................................................... 318
Function block ................................................................................ 319
Signals.............................................................................................319
Settings............................................................................................320
Monitored data.................................................................................321
Operation principle.......................................................................... 321
Section 11 Multipurpose protection..................................................... 325
General current and voltage protection CVGAPC................................ 325
Identification.................................................................................... 325
Function block................................................................................. 325
Signals.............................................................................................326
Settings............................................................................................328
Monitored data.................................................................................335
Operation principle.......................................................................... 336
Measured quantities within CVGAPC.........................................336
Base quantities for CVGAPC function........................................339
Built-in overcurrent protection steps...........................................339
Built-in undercurrent protection steps.........................................344
Built-in overvoltage protection steps...........................................345
Built-in undervoltage protection steps........................................ 345
Logic diagram.............................................................................345
Technical data................................................................................. 351
Section 12 System protection and control...........................................355
Multipurpose filter SMAIHPAC..............................................................355
Identification.................................................................................... 355
Functionality.................................................................................... 355
Function block................................................................................. 355
Signals.............................................................................................355
Settings............................................................................................356
Operation principle.......................................................................... 356
Filter calculation example................................................................ 360
Section 13 Secondary system supervision..........................................363
Current circuit supervision (87).............................................................363
Table of contents
8
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Summary of Contents for Relion RES670
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