Siemens 7SJ85 - Page 22

6.28.2 Structure of the Function ..........................................................................................727
6.28.3 General Functionality................................................................................................ 727
6.28.3.1 Description.......................................................................................................... 727
6.28.3.2 Application and Setting Notes.............................................................................. 728
6.28.3.3 Settings............................................................................................................... 729
6.28.3.4 Information List................................................................................................... 729
6.28.4 Stage with Negative-Sequence Voltage/Positive-Sequence Voltage ............................ 730
6.28.4.1 Description.......................................................................................................... 730
6.28.4.2 Application and Setting Notes.............................................................................. 730
6.28.4.3 Settings............................................................................................................... 732
6.28.4.4 Information List................................................................................................... 733
6.29 Undervoltage Protection with 3-Phase Voltage................................................................ 734
6.29.1 Overview of Functions...............................................................................................734
6.29.2 Structure of the Function ..........................................................................................734
6.29.3 Stage with Definite-Time Characteristic Curve............................................................ 735
6.29.3.1 Description.......................................................................................................... 735
6.29.3.2 Application and Setting Notes.............................................................................. 737
6.29.3.3 Settings............................................................................................................... 740
6.29.3.4 Information List................................................................................................... 741
6.29.4 Stage with Inverse-Time Characteristic Curve............................................................. 742
6.29.4.1 Description.......................................................................................................... 742
6.29.4.2 Application and Setting Notes.............................................................................. 746
6.29.4.3 Settings............................................................................................................... 749
6.29.4.4 Information List................................................................................................... 749
6.30 Undervoltage Protection with Positive-Sequence Voltage.................................................750
6.30.1 Overview of Functions .............................................................................................. 750
6.30.2 Structure of the Function ..........................................................................................750
6.30.3 Stage Description ......................................................................................................751
6.30.4 Application and Setting Notes ...................................................................................752
6.30.5 Settings.....................................................................................................................755
6.30.6 Information List.........................................................................................................756
6.31 Undervoltage Protection with Any Voltage.......................................................................757
6.31.1 Overview of Functions...............................................................................................757
6.31.2 Structure of the Function...........................................................................................757
6.31.3 Stage Description...................................................................................................... 758
6.31.4 Application and Setting Notes....................................................................................759
6.31.5 Settings.....................................................................................................................761
6.31.6 Information List.........................................................................................................762
6.32 Overfrequency Protection................................................................................................763
6.32.1 Overview of Functions...............................................................................................763
6.32.2 Structure of the Function...........................................................................................763
6.32.3 Overfrequency-Protection Stage................................................................................ 764
6.32.4 Application and Setting Notes....................................................................................765
6.32.5 Settings.....................................................................................................................766
6.32.6 Information List.........................................................................................................767
6.33 Underfrequency Protection............................................................................................. 768
6.33.1 Overview of Functions...............................................................................................768
6.33.2 Structure of the Function...........................................................................................768
6.33.3 Underfrequency-Protection Stage.............................................................................. 769
Table of Contents
22 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017