7.5 Overcurrent Protection, Ground...................................................................................... 634
7.5.1 Overview of Functions...............................................................................................634
7.5.2 Structure of the Function...........................................................................................634
7.5.3 General Functionality................................................................................................ 635
7.5.3.1 Description.......................................................................................................... 635
7.5.3.2 Application and Setting Notes ............................................................................. 636
7.5.3.3 Settings............................................................................................................... 637
7.5.4 Stage with Definite-Time Characteristic Curve............................................................ 638
7.5.4.1 Description ......................................................................................................... 638
7.5.4.2 Application and Setting Notes ............................................................................. 640
7.5.4.3 Settings............................................................................................................... 642
7.5.4.4 Information List................................................................................................... 647
7.5.5 Stage with Inverse-Time Characteristic Curve............................................................. 648
7.5.5.1 Description ......................................................................................................... 648
7.5.5.2 Application and Setting Notes ............................................................................. 651
7.5.5.3 Settings............................................................................................................... 652
7.5.5.4 Information List................................................................................................... 655
7.5.6 Stage with User-Defined Characteristic Curve............................................................. 655
7.5.6.1 Description ......................................................................................................... 655
7.5.6.2 Application and Setting Notes ............................................................................. 657
7.5.6.3 Settings............................................................................................................... 658
7.5.6.4 Information List................................................................................................... 660
7.5.7 Blocking of the Tripping by Device-Internal Inrush-Current Detection..........................661
7.5.7.1 Description.......................................................................................................... 661
7.5.7.2 Application and Setting Notes ............................................................................. 661
7.5.8 Influence of Other Functions via Dynamic Settings.....................................................662
7.5.8.1 Description ......................................................................................................... 662
7.5.8.2 Application and Setting Notes (Advanced Stage) ..................................................666
7.6 Directional Overcurrent Protection, Phases...................................................................... 667
7.6.1 Overview of Functions .............................................................................................. 667
7.6.2 Structure of the Function .......................................................................................... 667
7.6.3 Stage Control............................................................................................................ 667
7.6.3.1 Description ......................................................................................................... 667
7.6.3.2 Application and Setting Notes ............................................................................. 668
7.6.4 Stage with Definite-Time Characteristic Curve............................................................ 669
7.6.4.1 Description ......................................................................................................... 669
7.6.4.2 Application and Setting Notes ............................................................................. 672
7.6.4.3 Settings............................................................................................................... 674
7.6.4.4 Information List................................................................................................... 679
7.6.5 Stage with Inverse-Time Characteristic Curve............................................................. 680
7.6.5.1 Description ......................................................................................................... 680
7.6.5.2 Application and Setting Notes ............................................................................. 683
7.6.5.3 Settings............................................................................................................... 685
7.6.5.4 Information List................................................................................................... 688
7.6.6 Stage with User-Defined Characteristic Curve............................................................. 689
7.6.6.1 Description ......................................................................................................... 689
7.6.6.2 Application and Setting Notes ............................................................................. 690
7.6.6.3 Settings............................................................................................................... 691
7.6.6.4 Information List................................................................................................... 693
7.6.7 Direction Determination............................................................................................ 694
7.6.7.1 Description ......................................................................................................... 694
7.6.7.2 Application and Setting Notes ............................................................................. 696
7.6.8 Influence of Other Functions via Dynamic Settings .................................................... 697
7.6.9 Application Notes for Parallel Lines ............................................................................697
Table of Contents
18 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017