Electrical Characteristics of the Contour-Vibration-Mode Piezoelectric Transformer with Ring/Dot Electrode Area Ratio
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概要
- 論文の詳細を見る
Contour-vibration-mode Pb(Sb_<1/2>Nb_<1/2>)O_3-Pb(Zr, Ti)O_3[PSN-PZT]piezoelectric transformers with different ring/dot electrode area ratios were fabricated to the size of 27.5×27.5×2.5mm^3 by cold isostatic pressing. The electrical properties and characteristic temperature rises caused by the vibration were measured at various load resistances. Efficiencies above 90% with load resistance were obtained from all the transformers. The voltage step-up ratio appeared to be proportional to the dot electrode area. A 14 W fluorescent lamp, T5, was successfully driven by all of the fabricated transformers. The transformer with ring/dot electrode area ratio of 4, 85 exhibited the best properties in terms of output power, efficiency and characteristic temperature rise, 14.88 W, 98% and 5℃, respectively.
- 社団法人応用物理学会の論文
- 2000-05-15
著者
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Kim J
Samsung Electro-mechanics Co. Ltd
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Kim Jongsun
Samsung Electra-mechanics Co. Ltd.
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Yoo Juhyun
Department Of Electrical Engineering Semyung University Jechon
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SUH Sungjae
Gaintech
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Yoo Juhyun
Department Of Electrical Engineering Semyong University
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YOON Kwanghee
Department of Electrical Engineering, Semyung University
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LEE Yongwoo
Department of Electrical Engineering, Semyung University
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SUH Sungjae
Institute for Industrial TechnoIogy Research, Hannam University
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YOO Chungsik
Samsung Electro-Mechanics Co. , Ltd
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Lee Y
Kyungpook National Univ. Taegu Kor
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Yoo Chungsik
Samsung Electro-mechanics Co. Ltd
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Yoon Kwanghee
Department Of Electrical Engineering Semyung University
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