Adaptive estimation of the transformer stray capacitances for DC–DC converter modelling

Piotr Musznicki; Piotr J. Chrzan; Marcin Rucinski; Maciej Kolincio

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Adaptive estimation of the transformer stray capacitances for DC–DC converter modelling

机译：用于DC-DC转换器建模的变压器杂散电容的自适应估计

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摘要

New low cost and accurate estimation method of transformer stray capacitances for wide band DC–DC converter modelling and design is proposed. The Wiener filter (WF) method is applied to estimate the transformer impedance – referred to the selected transformer winding configurations. Laboratory tests are used to adapt the filter, that is to find optimal impedance which minimises mean square error between measured, noise perturbed current and reconstructed current. Transformer transfer function peaks indicate internal LC resonances. Stray capacitances are extracted based on resonant frequencies determination. The method validation is carried out by simulation and experimental analysis, where estimated stray capacitances by WF are compared with measurements of an impedance analyser.

机译：针对宽带DC-DC变换器的建模和设计，提出了一种新的低成本，准确的变压器杂散电容估计方法。使用维纳滤波器（WF）方法来估计变压器阻抗-取决于所选的变压器绕组配置。实验室测试用于调整滤波器，即找到最佳阻抗，以最小化测量的，噪声干扰的电流和重构的电流之间的均方误差。变压器传递函数峰指示内部LC谐振。基于谐振频率确定来提取杂散电容。通过仿真和实验分析来进行方法验证，其中将WF估计的杂散电容与阻抗分析仪的测量值进行比较。

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来源
《Power Electronics, IET》 |2016年第15期|2865-2870|共6页
作者
Piotr Musznicki; Piotr J. Chrzan; Marcin Rucinski; Maciej Kolincio;
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作者单位

Gdańsk University of Technology, Poland;

Gdańsk University of Technology, Poland;

Gdańsk University of Technology, Poland;

Gdańsk University of Technology, Poland;

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原文格式 PDF
正文语种 eng
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关键词
transfer functions; DC-DC power convertors; transformer windings; adaptive estimation; Wiener filters;

机译：传递函数;DC-DC功率转换器;变压器绕组;自适应估计;维纳滤波器;

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1. Novel Techniques to Suppress the Common-Mode EMI Noise Caused by Transformer Parasitic Capacitances in DC–DC Converters [J] . Fu D., Wang S., Kong P., IEEE Transactions on Industrial Electronics . 2013,第11期

机译：抑制DC-DC转换器中变压器寄生电容引起的共模EMI噪声的新技术
2. DC-Link Capacitance Estimation in AC/DC/AC PWM Converters Using Voltage Injection [J] . Abo-Khalil A.G., Dong-Choon Lee IEEE Transactions on Industry Applications . 2008,第5期

机译：使用电压注入的AC / DC / AC PWM转换器中的直流链路电容估计
3. Online capacitance estimation of DC-link electrolytic capacitors for three-phase AC/DC/AC PWM converters using recursive least squares method [J] . D.-C. Lee, K.-J. Lee, J.-K. Seok, IEE Proceedings. Part B, Electric Power Applications . 2005,第6期

机译：递归最小二乘法在线估计三相AC / DC / AC PWM转换器的直流环节电解电容器的电容
4. Two-capacitor transformer winding capacitance models for common-mode EMI noise analysis in isolated DC-DC converters [C] . Huan Zhang, Shuo Wang IEEE Energy Conversion Congress and Exposition . 2016

机译：用于隔离式DC-DC转换器中共模EMI噪声分析的两电容变压器绕组电容模型
5. On-Chip Transformer Design and Modeling for Fully Integrated Isolated DC/DC Converters. [D] . Zhao, Yao. 2014

机译：完全集成的隔离式DC / DC转换器的片上变压器设计和建模。
6. Behavioral Modeling of DC/DC Converters in Self-Powered Sensor Systems with Modelica [O] . Jan Kokert, Leonhard M. Reindl, Stefan J. Rupitsch 2021

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7. Estimation of Leg Magnetic-Fluxes of Transformers Having a Function of DC Reactor for DC-DC Converters [O] . H. Saotome, Y. Wakatsuki, T. Saito, 2007

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8. TRANSISTORIZED DC-TO-DC CONVERTERS EMPLOYING PIEZOELECTRIC TRANSFORMERS [R] . Floyd Allen 1963

机译：采用压电变压器的变容直流 - 直流变换器

Adaptive estimation of the transformer stray capacitances for DC–DC converter modelling

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