多相电压调理模块的矩阵化多自由度耦合磁件

doi:10.19595/j.cnki.1000-6753.tces.170451

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摘要应用于多相电压调理单元（VRM）集成电感的合理设计影响和决定着其稳态和暂态性能,优化电感耦合度可同步改善VRM的稳态输出纹波和动态输出响应。通过建立电路方程推演出多相VRM耦合电感的等效稳态与暂态电感,获得多相VRM集成电感耦合度的设计准则。提出一种基于模块化耦合电感概念、可多自由度组合、可变耦合度的矩阵化耦合磁件。分析电感可消除直流偏磁原理,推演出阵列化耦合磁件的单元拓扑集成原理及其耦合结构多自由度组合演化规格,并推导单元耦合电感匝比、磁阻比荷电感耦合系数的关系曲线,实现集成电感可变耦合度设计。设计四相阵列式耦合磁件并应用于VRM进行测试,实验结果验证了阵列式耦合磁件设计准则的正确性及实用性。

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	王磊
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关键词 ：阵列化磁集成, 单元耦合磁心, 多自由度, 设计准则, 直流偏磁

Abstract：Integrated inductance affects multiphase voltage regulator module (VRM) steady-state and dynamic characteristics. Reasonable coupling can enhance the output transient response of VRM and reduce the steady-state ripple of each channel. The equivalent steady-state and transient inductances of multiphase VRM coupling inductance were deduced by establishing the circuit equation, then the coupling degree design criteria of multiphase VRM were obtained. This paper proposed the array integrated magnetic using a small inductance unit. Through analyzing the inductance integration principle, the unit position topology and unit composite structure topology of array integrated magnetic were deduced, and the relationship of the self-induction mutual-inductance unit turns ratio, resistance ratio and inductance coupling degree was derived. Compared with coupling range, the proposed array integrated inductance coupling is exactly in accordance with the design criteria. Using design criteria for four-phase array integrated magnetic, the experimental prototype test results verify the design criteria. The experimental prototype was applied into four-phase VRM. The results show that the array type integrated magnetic VRM has well steady-state and dynamic characteristics, which verifies the proposed array type integrated inductance.

Key words： Array integrated magnetic inductance unit coupling magnetic core multi-degree-of -freedom design criterion DC bias

收稿日期: 2017-04-18 出版日期: 2018-06-22

PACS:

TM46

基金资助:国家自然科学基金（51177067、50607007、U1510128、50207004）和辽宁省教育厅重点实验室基础研究项目（LZ2015045）资助

作者简介: 王磊男,1991年生,博士研究生,研究方向为电力电子磁技术、新能源功率变换技术、电力电子系统集成。E-mail: 975743670@qq.com（通信作者）;郭瑞女,1974年生,博士,副教授,研究方向为功率电子变换及其控制技术。E-mail: 990298259@qq.com

引用本文:

王磊, 郭瑞, 杨玉岗. 多相电压调理模块的矩阵化多自由度耦合磁件[J]. 电工技术学报, 2018, 33(12): 2801-2811. Wang Lei, Guo Rui, Yang Yugang. Array Integrated Magnetic Inductance with Multi-Degree-of-Freedom Used for Multiphase VRM. Transactions of China Electrotechnical Society, 2018, 33(12): 2801-2811.

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