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Title
Japanese:ゾーンコントロール誘導加熱装置の発熱分布 
English:Analysis and control of the heat distribution in a zone-control induction heating system 
Author
Japanese: Pham Ngoc Ha, 藤田英明, 尾崎一博, 内田直喜.  
English: Pham Ngoc Ha, Hideaki Fujita, Kazuhiro Ozaki, Naoki Uchida..  
Language Japanese 
Journal/Book name
Japanese:電気学会論文誌D 
English:IEEJ Trans. IA 
Volume, Number, Page vol. 130    no. 7    pp. 926-932
Published date July 2010 
Publisher
Japanese:電気学会 
English:Institute of Electrical Engineering in Japan 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Abstract This paper discusses heat distribution on a workpiece in a zone-control induction heating (ZCIH) system. The system consists of two or more split working coils and multi inverter units, and adjust the coil currents to control the heat or temperature distribution on the workpiece. This paper theoretically reveals the relation between the coil currents and the heat distribution, and proposes a simple method to calculate the heat distribution using a three-dimensional resistance matrix. The validity of the developed theory is confirmed by performing both numerical computation based on the finite element method (FEM) and experiments using a 1.5-kW six-zone ZCIH laboratory setup.

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