Siemens 7SJ82 - Thermal Overload Protection, 1-Phase; Overview of Functions; Structure of the Function

Thermal Overload Protection, 1-Phase
Overview of Functions
The Thermal overload protection 1-phase function (ANSI 49) is used to:
•
Protect the equipment (reactors or resistors in the neutral point of a transformer) from thermal overload
Structure of the Function
The Thermal overload protection 1-phase function is used in 1-phase protection function groups with
current measurement..
The Thermal overload protection, 1-phase function is steplessly preconfigured.
[dwtolp1p-270613-01.tif, 2, en_US]
Figure 6-172 Structure/Embedding of the Function
6.21
6.21.1
6.21.2
Protection and Automation Functions
6.21 Thermal Overload Protection, 1-Phase
676 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017