7.2 Overcurrent Protection for Capacitor Banks......................................................................969
7.2.1 Overview ..................................................................................................................969
7.2.2 Overcurrent Protection, Phases for Protection of RLC Filter-Circuit Elements................969
7.2.2.1 Structure of the Function .................................................................................... 969
7.2.2.2 Function Description ........................................................................................... 970
7.2.2.3 Application and Setting Notes ............................................................................. 971
7.3 Thermal Overload Protection for Capacitor Banks.............................................................973
7.3.1 Overview of Functions .............................................................................................. 973
7.3.2 Structure of the Function ..........................................................................................973
7.3.3 Function Description .................................................................................................973
7.3.4 Application and Setting Notes ...................................................................................974
7.3.5 Settings.....................................................................................................................975
7.3.6 Information List.........................................................................................................976
7.4 Current-Unbalance Protection for Capacitors, 3-Phase......................................................977
7.4.1 Overview of Functions...............................................................................................977
7.4.2 Structure of the Function...........................................................................................977
7.4.3 General Functions and Measuring-Point Selection...................................................... 977
7.4.3.1 Description.......................................................................................................... 977
7.4.3.2 Application and Setting Notes.............................................................................. 984
7.4.3.3 Settings............................................................................................................... 993
7.4.3.4 Information List................................................................................................... 993
7.4.4 Overcurrent-Protection Stage I>.................................................................................994
7.4.4.1 Description.......................................................................................................... 994
7.4.4.2 Application and Setting Notes.............................................................................. 996
7.4.4.3 Settings............................................................................................................... 997
7.4.4.4 Information List................................................................................................... 998
7.4.5 Counter Stage........................................................................................................... 999
7.4.5.1 Description.......................................................................................................... 999
7.4.5.2 Application and Setting Notes............................................................................ 1000
7.4.5.3 Settings............................................................................................................. 1001
7.4.5.4 Information List................................................................................................. 1001
7.5 Current-Unbalance Protection for Capacitors, 1-Phase....................................................1002
7.5.1 Overview of Functions.............................................................................................1002
7.5.2 Structure of the Function.........................................................................................1002
7.5.3 General Functions and Measuring-Point Selection.................................................... 1002
7.5.3.1 Description........................................................................................................ 1002
7.5.3.2 Application and Setting Notes............................................................................ 1008
7.5.3.3 Settings............................................................................................................. 1010
7.5.3.4 Information List................................................................................................. 1011
7.5.4 Overcurrent-Protection Stage I>...............................................................................1012
7.5.4.1 Description........................................................................................................ 1012
7.5.4.2 Application and Setting Notes............................................................................ 1013
7.5.4.3 Settings............................................................................................................. 1014
7.5.4.4 Information List................................................................................................. 1015
7.5.5 Counter Stage......................................................................................................... 1016
7.5.5.1 Description........................................................................................................ 1016
7.5.5.2 Application and Setting Notes............................................................................ 1017
7.5.5.3 Settings............................................................................................................. 1018
7.5.5.4 Information List................................................................................................. 1018
7.6 Peak Overvoltage Protection for Capacitors....................................................................1020
7.6.1 Overview of Functions.............................................................................................1020
7.6.2 Structure of the Function.........................................................................................1020
Table of Contents
SIPROTEC 5, Overcurrent Protection, Manual 27
C53000-G5040-C017-8, Edition 07.2017