Magnetics for Power Electronic Converters

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课程主页: https://www.coursera.org/archive/electronic-converters

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课程简介

University of Colorado Boulder

课程大纲

This module covers the various loss mechanisms in inductors and transformers, both in the core and in the winding. Topics covered include hysteresis and eddy current losses, and skin and proximity effects. Models are developed to estimate losses in magnetic components.

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课程详情

This course covers the analysis and design of magnetic components, including inductors and transformers, used in power electronic converters. The course starts with an introduction to physical principles behind inductors and transformers, including the concepts of inductance, core material saturation, airgap and energy storage in inductors, reluctance and magnetic circuit modeling, transformer equivalent circuits, magnetizing and leakage inductance. Multi-winding transformer models are also developed, including inductance matrix representation, for series and parallel structures. Modeling of losses in magnetic components covers core and winding losses, including skin and proximity effects. Finally, a complete procedure is developed for design optimization of inductors in switched-mode power converters. After completing this course, you will: ● Understand the fundamentals of magnetic components, including inductors and transformers ● Be able to analyze and model losses in magnetic components, and understand design trade-offs ● Know how to design and optimize inductors for switched-mode power converters This course assumes ONLY prior completion of Introduction to Power Electronics and Converter Circuits.

电力电子转换器的磁性材料:本课程涵盖电力电子转换器中使用的磁性组件(包括电感器和变压器)的分析和设计。该课程首先介绍了电感器和变压器的物理原理,包括电感,磁芯材料饱和度,电感器中的气隙和能量存储,磁阻和磁路建模,变压器等效电路,磁化和漏感的概念。还开发了多绕组变压器模型,包括用于串联和并联结构的电感矩阵表示。磁性元件损耗的建模涵盖了磁芯和绕组损耗,包括趋肤效应和邻近效应。最后,开发了用于优化开关模式功率转换器中电感器设计的完整程序。 完成本课程后,您将: ●了解磁性组件的基本原理,包括电感器和变压器 ●能够分析和建模磁性元件中的损耗,并了解设计权衡 ●知道如何设计和优化用于开关模式电源转换器的电感器   本课程仅假设电力电子和转换器电路入门课程提前完成。

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