交直流变换器用降压多层压电变压器的电学特性

2006 15th ieee international symposium on the applications of ferroelectrics Pub Date : 2006-07-01 DOI:10.1109/ISAF.2006.4387871

J. Yoo, Kookjin Kim, Chang-Bae Lee, D. Paik, H. Yoon, Jaeil Hong

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引用次数: 1

摘要

采用PZN-PMN-PZT陶瓷制备了多层压电变压器(MPT)，并根据频率和负载电阻对其电学性能进行了研究。多层压电变压器的升压比在73 kHz附近达到最大值，并随着负载电阻的增大而增大。当输出阻抗与负载电阻一致时，在输出功率为15w时，压电变压器的温升约为21℃。采用PZN-PMN-PZT陶瓷在~940℃的低共烧温度下制成的多层压电变压器可以稳定地作为升压或降压变压器驱动。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Electrical Properties of Step-down Multilayer Piezoelectric Transformer for AC-DC converter

Multilayer piezoelectric transformers (MPT) were manufactured using PZN-PMN-PZT ceramics and their electrical properties were then investigated according to frequency and load resistance. The voltage step-up ratio of multilayer piezoelectric transformer showed the maximum value in the vicinity of 73 kHz and increased according to the increase of load resistance. When the output impedance coincided with the load resistance, the piezoelectric transformer showed the temperature rise of about 21degC at the output power of 15 W. The multilayer piezoelectric transformer manufactured at low cofiring temperature of ~940degC using PZN-PMN-PZT ceramics could be stably driven as the step-up or down transformers.

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2006 15th ieee international symposium on the applications of ferroelectrics

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