Signals........................................................................................655
Settings.......................................................................................656
Monitored data............................................................................657
Technical data............................................................................ 658
Low-voltage ride-through protection 27RT...................................... 658
Identification............................................................................... 658
Function block............................................................................ 658
Functionality............................................................................... 658
Operation principle..................................................................... 659
Application.................................................................................. 663
Signals........................................................................................664
Settings.......................................................................................665
Monitored data............................................................................666
Technical data............................................................................ 666
Voltage vector shift protection 78V..................................................666
Identification............................................................................... 666
Function block............................................................................ 666
Functionality............................................................................... 667
Operation principle..................................................................... 667
Application.................................................................................. 668
Signals........................................................................................670
Settings.......................................................................................671
Monitored data............................................................................672
Technical data............................................................................ 672
Three-phase remnant undervoltage protection 27R........................672
Identification............................................................................... 672
Function block............................................................................ 673
Functionality............................................................................... 673
Operation principle..................................................................... 673
Application.................................................................................. 675
Signals........................................................................................676
Settings.......................................................................................676
Monitored data............................................................................677
Technical data............................................................................ 677
Frequency protection............................................................................ 678
Frequency protection 81..................................................................678
Identification............................................................................... 678
Function block............................................................................ 678
Functionality............................................................................... 678
Operation principle..................................................................... 678
Table of contents
18 615 series ANSI
Technical Manual