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author:

叶建盈 (叶建盈.) [1] | 陈为 (陈为.) [2] | 汪晶慧 (汪晶慧.) [3]

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EI Scopus PKU CSCD

Abstract:

为了有效地评估和预测功率变换器中磁元件的磁芯损耗,将反映磁芯一个励磁周期内损耗的动态磁滞回线以椭圆回线等效,推导出了无直流偏磁工况下脉宽调制(pulse width modulation,PWM)波形励磁的磁芯损耗模型。采用差值损耗测量思想,以DC/AC逆变电路作为测试电路,测量了直流偏磁及PWM波励磁下的磁芯损耗。进一步根据直流偏磁下磁芯损耗的测量结果及其特征的分析,构思了以磁芯基本磁化曲线模型为基础的直流偏磁和 PWM 波励磁下的磁芯损耗模型。最后,对比了测试数据和所提出的模型的计算结果,验证了模型的正确性。

Keyword:

模型 直流偏磁 磁元件 磁芯损耗 高频

Community:

  • [ 1 ] [叶建盈]福州大学
  • [ 2 ] [陈为]福州大学
  • [ 3 ] [汪晶慧]福州大学

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Source :

中国电机工程学报

ISSN: 0258-8013

Year: 2015

Issue: 10

Page: 2601-2606

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 23

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

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