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Rosen型压电变压器反接降压特性研究

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Indexed by:期刊论文

Date of Publication:2008-12-15

Journal:压电与声光

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:30

Issue:6

Page Number:712-714,717

ISSN No.:1004-2474

Key Words:压电变压器;降压;等效电路;电压增益;效率

Abstract:介绍了一种将Rosen型压电变压器反接从而实现降压的方法.从压电变压器的材料参数出发,导出Rosen型压电变压器反接时的等效电路模型.基于此模型,利用MATLAB仿真,得到电压增益、效率、输出功率等特性曲线·预测了在满足较高效率前提下,负载匹配时可实现降压.测试了电压增益的频率特性,测得降压特性与理论计算基本一致,表明将Rosen型压电变压器反接在一定负载范围内可实现降压功能.

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