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Core loss behavior in high frequency high power transformers—I: Effect of core topology
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10.1063/1.4727910
/content/aip/journal/jrse/4/3/10.1063/1.4727910
http://aip.metastore.ingenta.com/content/aip/journal/jrse/4/3/10.1063/1.4727910

Figures

Image of FIG. 1.
FIG. 1.

3D geometry of under-studied configurations, (a) core type, (b) shell type, and (c) matrix transformer.

Image of FIG. 2.
FIG. 2.

Loss characteristics of nanocrystalline material at several frequencies. 15

Image of FIG. 3.
FIG. 3.

Simulation deployment.

Image of FIG. 4.
FIG. 4.

Cross sectional view of winding arrangement in core type.

Image of FIG. 5.
FIG. 5.

Behavior of magnetic flux density in different , and for two configuration, core and shell type at 1 MVA.

Image of FIG. 6.
FIG. 6.

Comparison of core loss in C core and shell type.

Image of FIG. 7.
FIG. 7.

Spatial core loss density distribution in (a) core type, (b) shell type, and matrix transformer.

Image of FIG. 8.
FIG. 8.

Loss density comparison between core type, shell type, and matrix transformer.

Image of FIG. 9.
FIG. 9.

Core weight comparison of core and shell type.

Image of FIG. 10.
FIG. 10.

Average core loss density for core and shell type.

Image of FIG. 11.
FIG. 11.

Behavior of magnetic flux density in core, shell, and matrix type at 5 kHz.

Image of FIG. 12.
FIG. 12.

Variation of core weight vs. and

Image of FIG. 13.
FIG. 13.

Core loss comparison between core, shell, and matrix type at 2 MVA and 5 kHz.

Image of FIG. 14.
FIG. 14.

Average core loss density (W/kg) at 5 kHz and 2 MVA.

Image of FIG. 15.
FIG. 15.

3D magnetic leakage field distribution in (a) shell type, (b) core type, (c) matrix transformer.

Tables

Generic image for table
Table I.

Ratings of the simulated transformers.

Generic image for table
Table II.

Core loss coefficients (W/m3).

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/content/aip/journal/jrse/4/3/10.1063/1.4727910
2012-06-06
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Core loss behavior in high frequency high power transformers—I: Effect of core topology
http://aip.metastore.ingenta.com/content/aip/journal/jrse/4/3/10.1063/1.4727910
10.1063/1.4727910
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