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三相电压调整模块中“EΠ”形耦合电感的建模与设计 被引量:13

Modeling and Design of "EΠ" Core Coupled Inductor in 3-Phase Voltage Regulator Module
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摘要 为适应新一代微处理器低压、大电流和快速暂态响应的功率需求,提出一种用于三相电压调整模块(VRM)的"EΠ"形耦合电感结构,通过分析耦合电感的磁通分布,建立了磁路模型及包括气隙边缘磁阻和绕组外面空气磁阻的改进磁路模型,采用空间切割的方法得出空气磁阻的计算公式,从而得出自感、漏感和互感的计算公式,给出耦合电感的设计方法,并通过电感值的三维有限元仿真和实验验证了所提"EΠ"形耦合电感结构的有效性及其磁路模型和设计方法的正确性。 In order to adapt the power delivery requirements of modern microprocessors of high current,lower voltage and faster transient response,this paper proposes "EΠ" core coupled inductors to be used in 3-phase interleaving voltage regulator module(VRM).This paper sets up the coupled inductors' magnetic model and improves magnetic model including air gap fringe reluctance and air reluctance outside the windings by analyzing its flux distribution,deduces the air reluctance formulas with air space cutting method,and gets the formulas of self inductance and leakage inductance and the design method.3D finite element simulation and experiment results verify the "EΠ" core coupled inductors structure and its magnetic model and design method.
出处 《电工技术学报》 EI CSCD 北大核心 2011年第11期81-87,共7页 Transactions of China Electrotechnical Society
基金 国家自然科学基金(51177067) 教育部留学回国人员科研启动基金(教外司留2009-134) 辽宁省自然科学基金(20102092)资助项目
关键词 三相电压调整模块 “EΠ”形耦合电感器 磁路模型 空气磁阻 自感和漏感 3-Phase voltage regulator module(VRM) "EΠ" core coupled inductors magnetic circuit model air reluctance self inductance and leakage inductance
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参考文献15

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