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author:

张宇超 (张宇超.) [1] | 汪晶慧 (汪晶慧.) [2] (Scholars:汪晶慧) | 陈为 (陈为.) [3] (Scholars:陈为)

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CQVIP

Abstract:

为了功率变换器中磁性元件的优化设计,需精确确定磁芯的幅值磁导率和增量磁导率。金属磁粉心是由金属磁粉颗粒、绝缘包裹以及空气(粘合剂)的组合体,其饱和磁感应强度高,磁导率低,阻抗角接近90度。因此测量磁粉芯的磁导率所需激磁源容量大(电压高,电流大),导致测量非常困难。为了快速便捷地测量磁粉芯的磁化特性,本文介绍了测量磁粉芯幅值磁导率和增量磁导率的直流测量方法,详细分析了直流测量法的工作原理和测量误差,通过实验验证了该方法的可行性。

Keyword:

直流源 磁化特性 磁粉芯

Community:

  • [ 1 ] 福州大学电气工程与自动化学院,福州350000

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Source :

磁性元件与电源

ISSN: 2522-6142

Year: 2019

Issue: 10

Volume: 0

Page: 142-144

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 0

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