ABB Relion 670 series - Denial of Service (DoS) Protection; Certificate Handling for Secure Communication

Setting guidelines............................................................................ 582
Recommendations for input and output signals......................... 582
Settings.......................................................................................583
Service value report....................................................................584
Setting example..........................................................................584
Voltage differential protection VDCPTOV (60)..................................... 586
Identification.................................................................................... 586
Application....................................................................................... 586
Setting guidelines............................................................................ 588
Loss of voltage check LOVPTUV (27).................................................. 590
Identification.................................................................................... 590
Application....................................................................................... 590
Setting guidelines............................................................................ 590
Advanced users settings............................................................ 590
Radial feeder protection PAPGAPC (27)..............................................590
Identification.................................................................................... 590
Application....................................................................................... 591
Setting guidelines............................................................................ 591
Section 11 Frequency protection.........................................................593
Underfrequency protection SAPTUF (81).............................................593
Identification.................................................................................... 593
Application....................................................................................... 593
Setting guidelines............................................................................ 594
Overfrequency protection SAPTOF (81)...............................................594
Identification.................................................................................... 595
Application....................................................................................... 595
Setting guidelines............................................................................ 595
Rate-of-change of frequency protection SAPFRC (81)........................ 596
Identification.................................................................................... 596
Application....................................................................................... 596
Setting guidelines............................................................................ 597
Section 12 Multipurpose protection..................................................... 599
General current and voltage protection CVGAPC................................ 599
Identification.................................................................................... 599
Application....................................................................................... 599
Current and voltage selection for CVGAPC function..................600
Base quantities for CVGAPC function........................................ 603
Application possibilities...............................................................603
Inadvertent generator energization.............................................604
Table of contents
Line distance protection REL670 2.2 ANSI 13
Application manual