Siemens 7SJ85 - Page 16

6.6.6.4 Information List................................................................................................... 433
6.6.7 Direction Determination............................................................................................ 433
6.6.7.1 Description ......................................................................................................... 433
6.6.7.2 Application and Setting Notes ............................................................................. 436
6.6.8 Influence of Other Functions via Dynamic Settings .................................................... 437
6.6.9 Application Notes for Parallel Lines and Cable Runs with Infeed at Both Ends ............. 437
6.6.10 Application Notes for Directional Comparison Protection ........................................... 438
6.7 Directional Overcurrent Protection, Ground..................................................................... 440
6.7.1 Overview of Functions...............................................................................................440
6.7.2 Structure of the Function...........................................................................................440
6.7.3 General Functionality................................................................................................ 442
6.7.3.1 Measured-Value Selection.................................................................................... 442
6.7.3.2 Direction Determination.......................................................................................443
6.7.3.3 Application and Setting Notes.............................................................................. 445
6.7.3.4 Settings............................................................................................................... 447
6.7.3.5 Information List................................................................................................... 448
6.7.4 Stage Control............................................................................................................ 448
6.7.4.1 Description.......................................................................................................... 448
6.7.4.2 Application and Setting Notes.............................................................................. 448
6.7.5 Stage with Definite-Time Characteristic Curve............................................................ 450
6.7.5.1 Description.......................................................................................................... 450
6.7.5.2 Application and Setting Notes.............................................................................. 453
6.7.5.3 Settings............................................................................................................... 455
6.7.5.4 Information List................................................................................................... 458
6.7.6 Stage with Inverse-Time Characteristic Curve............................................................. 459
6.7.6.1 Description.......................................................................................................... 459
6.7.6.2 Application and Setting Notes.............................................................................. 463
6.7.6.3 Settings............................................................................................................... 466
6.7.6.4 Information List................................................................................................... 468
6.7.7 Stage with Inverse-Time Overcurrent Protection with Logarithmic-Inverse Char-
acteristic Curve..........................................................................................................470
6.7.7.1 Description.......................................................................................................... 470
6.7.7.2 Application and Setting Notes.............................................................................. 472
6.7.7.3 Settings............................................................................................................... 473
6.7.7.4 Information List................................................................................................... 475
6.7.8 Stage with Knee-Point Characteristic Curve................................................................ 476
6.7.8.1 Description.......................................................................................................... 476
6.7.8.2 Application and Setting Notes.............................................................................. 477
6.7.8.3 Settings............................................................................................................... 478
6.7.8.4 Information List................................................................................................... 479
6.7.9 Stage with User-Defined Characteristic Curve.............................................................480
6.7.9.1 Description.......................................................................................................... 480
6.7.9.2 Application and Setting Notes.............................................................................. 481
6.7.9.3 Settings............................................................................................................... 482
6.7.9.4 Information List................................................................................................... 485
6.7.10 Influence of Other Functions via Dynamic Settings.....................................................485
6.8 Inrush-Current Detection.................................................................................................486
6.8.1 Overview of Functions...............................................................................................486
6.8.2 Structure of the Function ..........................................................................................486
6.8.3 Function Description..................................................................................................486
6.8.4 Application and Setting Notes....................................................................................490
6.8.5 Settings.....................................................................................................................491
Table of Contents
16 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017