Siemens Reyrolle 7SR54 - Page 18

10.28 81 Frequency Protection – "f>" or "f<"..............................................................................495
10.29 81HB2 Inrush Current Detection......................................................................................496
10.30 81HB5 Overfluxing Detection – 5th Harmonic................................................................. 497
10.31 87GH Restricted Earth-Fault Protection – High-Impedance............................................... 498
10.32 87T‑BD Transformer Differential Protection – Biased........................................................ 499
10.32.1 Common Settings......................................................................................................499
10.32.2 Transformer Differential Protection - Biased............................................................... 499
10.33 87T‑HS Transformer Differential Protection – Highset...................................................... 500
10.33.1 Common Settings......................................................................................................500
10.33.2 Transformer Differential Protection - Highset............................................................. 500
A Appendix.................................................................................................................................................. 501
A.1 Ordering Information...................................................................................................... 502
A.2 Current Transformer Connections....................................................................................503
A.3 Voltage Transformer Connections....................................................................................504
Table of Contents
18 Reyrolle 7SR5, Transformer Protection Device, Device Manual
C53000-G7040-C015-1, Edition 11.2019