E3S Web Conf.
Volume 296, 20211st International Conference on Environmental Sustainability Management and Green Technologies (ESMGT 2021)
|Number of page(s)||7|
|Section||Resource Conservation and Sustainable Consumption and Production Patterns|
|Published online||28 July 2021|
The calculate of current transformers with combined magnetic cores
1 Ural State University of Railway Transport, Kolmogorova St., 66, 620034 Ekaterinburg, Russia
2 Emperor Alexander I St. Petersburg State Transport University, 9 Moskovsky pr., 190031 Saint Petersburg, Russia
* Corresponding author: ABatrashov@usurt.ru
The manufacture of current transformers is associated with many design constraints, which include the restricted dimensions of its installation places, requirements for the accuracy class, as well as the limitation on the safety factor or the minimum factor of the accuracy limit factor. In a design sense of current transformers, these requirements are contradictory, which resulting in a flexible approach to the manufacture of current transformers. The use of combined magnetic cores can be referred to one of these areas, in other words magnetic cores consisting of materials with different magnetic properties, which allows to obtain unique magnetic properties that are inaccessible when using magnetic cores of the same type (material), thus providing a rational model of production. The article presents a feature of calculating of current transformer with combined magnetic cores.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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