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首页> 外文期刊>IEEJ Journal of Industry Applications >Allowable Power Analysis and Comparison of High Power Density DC-DC Converters with Integrated Magnetic Components
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Allowable Power Analysis and Comparison of High Power Density DC-DC Converters with Integrated Magnetic Components

机译：具有集成磁性元件的高功率密度DC-DC转换器的允许功率分析和比较

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摘要

Interleaved dc-dc converters with integrated magnetic components are popular as converters capable to achieve high efficiency with less of volume and mass. There are three methods for integrated magnetic components: loosely-coupled inductors, closed-coupled inductors and integrated-winding-coupled inductors. This paper presents a method to calculate the allowable power in various circuit topologies. It is useful for measuring the allowable power without magnetic saturation of an inductor based on its size. Following the analysis of allowable power for each coupled inductor, the allowable power of the integrated magnetic components is compared to that of the conventional interleaved converter. This comparison is realized under the same conditions. As a result, the interleaved converter with loosely-coupled and integrated winding coupled inductors were found to be effective for the downsizing of the magnetic components under continuous conduction mode operation. On the other hand, the interleaved converter with close-coupled inductors is effective for the downsizing of the magnetic components under critical conduction mode operation. This comparative data is discussed from both theoretical and experimental points of view.
机译：具有集成磁性元件的交错式DC-DC转换器作为能够以较少的体积和质量实现高效率的转换器，非常受欢迎。集成磁性元件的方法有三种：松耦合电感器，闭耦合电感器和集成绕组耦合电感器。本文提出了一种计算各种电路拓扑中的允许功率的方法。对于基于电感器尺寸的无电感器饱和度的允许功率测量非常有用。在分析了每个耦合电感器的允许功率之后，将集成磁性部件的允许功率与常规交错式转换器的允许功率进行比较。该比较是在相同条件下实现的。结果，发现具有连续耦合的电感器和松散耦合的交错式转换器对于在连续传导模式操作下减小磁性部件的尺寸是有效的。另一方面，具有紧密耦合电感器的交错转换器对于在临界传导模式操作下减小磁性元件是有效的。从理论和实验的角度讨论了这种比较数据。

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