Performance Evaluation a Novel Prototype of High Frequency Non-Contract Power Transformer

Lanknath Gamage; Manabu Isitobi; Mutsuo Nakaoka

Performance Evaluation a Novel Prototype of High Frequency Non-Contract Power Transformer

Lanknath Gamage

Manabu Isitobi

Mutsuo Nakaoka

Vol. 4, No. 1, pp. 12-17, Jan. 2004

10.6113/JPE.2004.4.1.12

Non-contact power transformer

EE shaped ferrite core assembly

Inductively Coupling coefficient

Copper-Sheet-treatment of magnetic circuit

High Frequency Inverter

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Abstract

In this paper, a practical implementation to reduce leakage flux of a high-frequency inverter based non-contact type power transformer composed of EE-shape ferrite cores is presented for key technology of the next generation medical use X-ray CT scanner system. Design consideration for the unique structure of the non-contact power transformer with 900mm in diameter is also introduced. The complete non-contact transformer is actually arranged by several blocks of the magnetic circuit assembled by using 10 small EE shape cores with 120mm in length. It is experimentally　and analytically discussed from a reduced leakage flux viewpoint related to its inductively coupling coefficient. A practical method to lower the leakage flux is described based on effective Copper-Sheet-Treatment placed on EE shape ferrite cores of magnetic circuit.

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Cite this article

[IEEE Style]

L. Gamage, M. Isitobi, M. Nakaoka, "Performance Evaluation a Novel Prototype of High Frequency Non-Contract Power Transformer," Journal of Power Electronics, vol. 4, no. 1, pp. 12-17, 2004. DOI: 10.6113/JPE.2004.4.1.12.

[ACM Style]

Lanknath Gamage, Manabu Isitobi, and Mutsuo Nakaoka. 2004. Performance Evaluation a Novel Prototype of High Frequency Non-Contract Power Transformer. Journal of Power Electronics, 4, 1, (2004), 12-17. DOI: 10.6113/JPE.2004.4.1.12.