Analysis of Characteristics of Series and Parallel Connected Piezoelectric Transformers

BAI Feng-xian; DONG Wei-jie; XIAO Lei

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Analysis of Characteristics of Series and Parallel Connected Piezoelectric Transformers

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- Analysis of Characteristics of Series and Parallel Connected Piezoelectric Transformers
- Acta Electronica Sinica Vol. 36, Issue 5, Pages: 998-1003(2008)
- 作者机构：
  
  大连理工大学电信学院电子系,辽宁,大连,116023
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN384TN601
- Published：2008
- 稿件说明：
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BAI Feng-xian, DONG Wei-jie, XIAO Lei. Analysis of Characteristics of Series and Parallel Connected Piezoelectric Transformers[J]. Acta Electronica Sinica, 2008, 36(5): 998-1003.
DOI：

BAI Feng-xian, DONG Wei-jie, XIAO Lei. Analysis of Characteristics of Series and Parallel Connected Piezoelectric Transformers[J]. Acta Electronica Sinica, 2008, 36(5): 998-1003. DOI：

摘要

基于压电变压器的经典集总参数等效电路模型

分别采用 Y参数、G参数、H参数和Z参数建立了压电变压器并-并、并-串、串-并和串-串联接的网络方程

将网络方程均转化为用Y 参数表达

直观地体现了网络电气特性与压电变压器的模型参数和联接个数之间的关系.最后对四种联接的电气特性进行了计算分析

并通过并-并联接实验证明了理论分析的正确性.结果表明

随着压电变压器联接个数的增加

只有并-并和并-串两种联接方式能够提高电压增益和输出功率.

Abstract

Based on the conventional lumped parameter circuit model

network equations of piezoelectric transformers (PTs) in parallel-parallel

parallel-series

series-parallel and series-series connection are set up using Y parameter

G parameter

H parameter and Z parameter respectively.All equations are then transformed into Y parameter form

which directly exhibit the relationship between the network characteristics and parameters of single PT and the number of connected PTs.Finally

simulation of electrical characteristics of PTs connected in the four ways is performed

and the theoretical analysis is verified by experiments of parallel-parallel connection.It shows that

only the parallel-parallel connection and parallel-series connection can increase voltage gain and output power.

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