Singular perturbation modelling technique and analysis for class-E DC-DC converter using piezoelectric transformer

被引：8

作者：

Dong, P. ^{[1
]}

Cheng, K. W. E. ^{[1
]}

Kwok, K. W. ^{[2
]}

Ho, S. L. ^{[1
]}

Lu, Y. ^{[1
]}

Yang, J. M. ^{[3
]}

机构：

[1] Hong Kong Polytech Univ, Dept Elect Engn, Power Elect Res Ctr, Hong Kong, Hong Kong, Peoples R China

[2] Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China

[3] S China Univ Technol, Power Elect Coll, Guangzhou, Guangdong, Peoples R China

来源：

IET POWER ELECTRONICS | 2008年 / 1卷 / 04期

关键词：

Electric inverters - Perturbation techniques - DC transformers - Piezoelectricity - State space methods;

D O I：

10.1049/iet-pel:20060476

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A singular perturbation technique for modelling and simulation of a class-E DC DC converter with piezoelectric transformer (PT) is presented. The open-loop characteristics of this converter are analysed. The singular perturbation method and the generalised state-space method are compared to model this DC-DC converter. In addition, a precise model which is based on the exact equations is used as a reference value. The calculation results show that the two proposed models give very good agreement to the precise model. As the singular perturbation model gives simple approach and a decoupling method has been used, it is highly recommended for all the PT models. The method has been examined and analysed in class-E DC-DC converter.

引用

页码：518 / 526

页数：9

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