Study of the Effectiveness of Magnetic Shielding for Compact Power Transformers Used on Mobile Applications

被引：3

作者：

Salvador, Kaue ^{[1
]}

Harmel, Diogo ^{[1
]}

Oliveira, Luiz ^{[2
]}

Cabral, Sergio ^{[3
]}

Almaguer, Hugo ^{[3
]}

机构：

[1] WEG T&D SA, Jaragua Do Sul, SC, Brazil

[2] WEG T&D, Jaragua Do Sul, SC, Brazil

[3] Univ Reg Blumenau, Engn Eletr, Blumenau, SC, Brazil

来源：

IEEE LATIN AMERICA TRANSACTIONS | 2020年 / 18卷 / 06期

关键词：

Power transformers; Magnetic shielding; Finite element analysis; Three-dimensional displays; IEEE transactions; Mobile applications; Computational modeling; compact power transformer; magnetic shields; leakage flux collector; stray losses; finite element method;

D O I：

10.1109/TLA.2020.9099680

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents the performance analysis of a new type of leakage flux collector, designed to act as magnetic shielding in compact power transformers for mobile applications. The analysis was made through 3-D finite-element computer program for modeling and simulating the operation of a 33.3 MVA, 69.3/13.8 kV three-phase compact transformer with and without adoption of the proposed leakage flux collector. The results show that due to its shape and its position in the core transformer this type of leakage flux collector efficiently mitigates the undesirable stray losses and hot spots in some key structural parts of the compact transformers, such as tank and beams.

引用

页码：1034 / 1040

页数：7

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