Electrical Properties of Thickness-Vibration-Mode Multilayer Piezoelectric Transformer using Low-Temperature-Sintering-Modified PbTiO3 Ceramics
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概要
- 論文の詳細を見る
In this study, a low temperature sintering thickness-vibration-mode multilayer piezoelectric transformer for a DC–DC converter was manufactured using (Pb0.76Ca0.23Sr0.01)Ti0.96(Mn1/3Sb2/3)0.04O3 ceramics. Its electrical properties were investigated according to the variations in frequency and load resistance. The voltage step-up ratio of the multilayer piezoelectric transformer showed a maximum value at a resonant frequency of 1.444 MHz and increased with an increase in load resistance. The efficiency of the multilayer piezoelectric transformer showed the highest value at a load resistance of 17 $\Omega$. The output power increased with increasing input voltage. When the output impedance of the multilayer piezoelectric transformer coincided with the load resistance, output power showed the highest value of 18 W within a 20 °C temperature increase.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-10-30
著者
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Kim Dohyung
Department Of Physics Ajou University
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Lee Ilha
Department Of Biological Sciences Seoul National University
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Yoo Juhyun
Department Of Electrical Engineering Semyong University
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Lee Sangho
Department Of Pathology Guro Hospital Korea University College Of Medicine:korea Lung Tissue Bank Mo
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Lee Ilha
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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Yoo Kyungjin
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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Oh Hyungsuk
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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Hwang Larkhoon
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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Jeong Yeongho
Electric Power Industry Technology Evaluation and Planning, Secho World 2 Stair, 1355-3, Secho dong, Secho Gu, Seoul 137-862, Korea
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Lee Sangho
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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Kim Dohyung
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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