6.4.6 Stage with Definite-Time Overcurrent Protection, Voltage-Released Under-
voltage Seal-In...........................................................................................................373
6.4.6.1 Description.......................................................................................................... 373
6.4.6.2 Application and Setting Notes.............................................................................. 374
6.4.6.3 Settings............................................................................................................... 376
6.4.6.4 Information List................................................................................................... 377
6.5 Overcurrent Protection, Ground...................................................................................... 378
6.5.1 Overview of Functions...............................................................................................378
6.5.2 Structure of the Function...........................................................................................378
6.5.3 General Functionality................................................................................................ 379
6.5.3.1 Description.......................................................................................................... 379
6.5.3.2 Application and Setting Notes ............................................................................. 380
6.5.3.3 Settings............................................................................................................... 381
6.5.4 Stage with Definite-Time Characteristic Curve............................................................ 382
6.5.4.1 Description ......................................................................................................... 382
6.5.4.2 Application and Setting Notes ............................................................................. 384
6.5.4.3 Settings............................................................................................................... 386
6.5.4.4 Information List................................................................................................... 388
6.5.5 Stage with Inverse-Time Characteristic Curve............................................................. 390
6.5.5.1 Description ......................................................................................................... 390
6.5.5.2 Application and Setting Notes ............................................................................. 393
6.5.5.3 Settings............................................................................................................... 394
6.5.5.4 Information List................................................................................................... 397
6.5.6 Stage with User-Defined Characteristic Curve.............................................................397
6.5.6.1 Description ......................................................................................................... 397
6.5.6.2 Application and Setting Notes ............................................................................. 398
6.5.6.3 Settings............................................................................................................... 400
6.5.6.4 Information List................................................................................................... 402
6.5.7 Blocking of the Tripping by Device-Internal Inrush-Current Detection..........................402
6.5.7.1 Description.......................................................................................................... 402
6.5.7.2 Application and Setting Notes ............................................................................. 403
6.5.8 Influence of Other Functions via Dynamic Settings.....................................................403
6.5.8.1 Description ......................................................................................................... 403
6.5.8.2 Application and Setting Notes (Advanced Stage) ..................................................407
6.6 Directional Overcurrent Protection, Phases...................................................................... 408
6.6.1 Overview of Functions .............................................................................................. 408
6.6.2 Structure of the Function ..........................................................................................408
6.6.3 Stage Control............................................................................................................ 410
6.6.3.1 Description ......................................................................................................... 410
6.6.3.2 Application and Setting Notes ............................................................................. 410
6.6.4 Stage with Definite-Time Characteristic Curve............................................................ 411
6.6.4.1 Description ......................................................................................................... 411
6.6.4.2 Application and Setting Notes ............................................................................. 414
6.6.4.3 Settings............................................................................................................... 416
6.6.4.4 Information List................................................................................................... 418
6.6.5 Stage with Inverse-Time Characteristic Curve............................................................. 419
6.6.5.1 Description ......................................................................................................... 419
6.6.5.2 Application and Setting Notes ............................................................................. 422
6.6.5.3 Settings............................................................................................................... 425
6.6.5.4 Information List................................................................................................... 427
6.6.6 Stage with User-Defined Characteristic Curve.............................................................428
6.6.6.1 Description ......................................................................................................... 428
6.6.6.2 Application and Setting Notes ............................................................................. 429
6.6.6.3 Settings............................................................................................................... 430
Table of Contents
SIPROTEC 5, Overcurrent Protection, Manual 15
C53000-G5040-C017-8, Edition 07.2017