Determination of Parasitic Capacitances in Inductive Components - A Comparison Between Analytic Calculation Methods and FEM-Simulation

被引：0

作者：

Merschak, Simon ^{[1
]}

Jungwirth, Mario ^{[1
]}

Hofinger, Daniel ^{[2
]}

Eder, Alexander ^{[2
]}

Ritzberger, Guenter ^{[2
]}

机构：

[1] Univ Appl Sci Upper Austria, Campus Wels Stelzhamerstr 23, A-4600 Wels, Austria

[2] Fronius Int GmbH, Res & Dev, Gunter Fronius Str 1, A-4600 Wels Thalheim, Austria

来源：

COMPUTER AIDED SYSTEMS THEORY - EUROCAST 2017, PT II | 2018年 / 10672卷

关键词：

Transformer parasitic capacitance; Flyback converter; Finite element method; Electrostatic simulation; SELF-CAPACITANCE;

D O I：

10.1007/978-3-319-74727-9_25

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Flyback converters are commonly used in switching mode power supplies. An essential component of a flyback converter is the high-frequency transformer. In order to ensure a faultless operation of the converter, even at high operating frequencies, the parasitic capacitive effects in the transformer have to be considered during the engineering process. The negative effects of the parasitic capacitances on the currents in the converter windings increase with rising operation frequency [1]. The aim of this paper is to draw a comparison between analytic calculation methods and FEM-simulations by means of a simple sample transformer model. It is also verified that the dynamic component of the electric field can be neglected for the calculation of the parasitic capacitances for frequencies up to a few hundred kilohertz.

引用

页码：212 / 218

页数：7