Comprehensive Analysis of Models and Operational Characteristics of Piezoelectric Transformers

被引：0
|
作者：
Wang, Le [1 ]
Burgos, Rolando P. [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Ctr Power Elect Syst, Blacksburg, VA 24061 USA
来源：
2020 THIRTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2020) | 2020年
关键词：
piezoelectric transformer; transformer; impedance matching; electromechanical coupling;
D O I：
10.1109/apec39645.2020.9124499
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Different from traditional magnetic transformers, which transform the electrical energy via the magnetic flux, piezoelectric transformers (PTs) transform the electrical energy via the mechanical vibration. In this work, the accuracy and applicability of different levels of models of PTs are compared and discussed. This work derives the detailed universal attributes of PTs, which include the gain characteristic, the input impedance characteristic and the efficiency characteristic. Especially, the efficiency characteristics with and without impedance matching network of different PTs or PTs under different configurations are compared. The comprehensive analysis of the characteristics of PTs, given in this paper, could provide a guide for the study and design of real PT-based applications.
引用
收藏
页码：1422 / 1429
页数：8
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