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MAGNETICS APPLICATIONS ENGINEERING AND DESIGN

Magnetics® is a leading world supplier of precision soft magnetic components and materials to the electronics industry. We specialize in research, design, and production of a broad range of high-quality powder cores, ferrite cores, and strip wound cores for applications such as chokes, inductors, filters, transformers, and power supply components for use in alternative energy, telecommunications, aerospace, automotive, military, computer, medical, and other electronics system.

THE KOREAN INSTITUTE OF ELECTRICAL ENGINEERS

Name
The Korean Institute of Electrical Engineers (KIEE)
President
Soo Hyun Baek
Date of Establishment
July 9, 1947
Address
Room #901 New Annex B/D, 635-4 Yuksam-Dong, Gangnam-Gu, Seoul, Korea (135-703) Tel: +82-2-553-0151~5 Fax: +82-2-566-9957~8
Purpose of Establishment
The purpose of establishing KIEE was to have an organization intent on contributing itself to benefiting Korean society by promoting, developing and distributing electrical engineering technologies in accordance with rules and regulations for the establishment of a legal body for public interest (Article 1.1 of the Articles of Incorporation)
Major Businesses
1. Publication of KIEE bulletin, paper journal and books 2. Study and research 3. Host scientific conferences and lecture meetings 4. Preparation of standards and codes 5. International scientific study exchange 6. Preparation of plans and proposals for technology policy 7. Award meritorious service and promotion of study 8. Other essential businesses necessary for achieving the purposes of KIEE

Power Loss Calculation of High Frequency Transformers

Journal of Electrical Engineering & Technology, Vol. 1, No. 3, pp. 338~342, 2006
Geun-Soo Choi*, Shin-Yong Yoon*, Soo-Hyun Baek** and Kim Yong**
Abstract – This paper analyzed the power loss of transformers considering the magnetic component.
For this, each winding strategy and the effect of air gap between the ferrite core have been an
important variable for optimal parameter calculation. Inductors are very well known design rules to
devise, but the performance of the flyback converter as a function of transformer winding strategy has
not been fully developed. The transformer analysis tool used was PExpert. The influence of the
insulator thickness, effect of the air gap, how the window height and variation of the capacitive value
effects the coil and insulator materials are some of parameters that have been analyzed in this work.
The parameter analysis is calculated to a high frequency of 48[kHz]. Therefore, the final goal of this
paper was to calculate and adjust the parameters according to the method of winding array and air gap
minimizing the power loss.

READ FULL PAPER HERE

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