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author:

Dong, Jiqing (Dong, Jiqing.) [1] (Scholars:董纪清) | Chen, Yixiang (Chen, Yixiang.) [2] | Wang, Jinghui (Wang, Jinghui.) [3] (Scholars:汪晶慧)

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Abstract:

The phase shift between coupled winding currents in coupled thin film micro-inductors causes variation of the winding loss significantly due to the changes of the magnetic field distribution. Calculating the winding loss accurately at different phase shifts and various frequencies is important for the design and optimization of coupled thin film micro-inductors. This paper analysed the magnetic field distribution of coupled racetrack-shaped thin film micro-inductors at different phase shift angles. A detailed analytical calculation method of winding losses considering arbitrary phase shifts was presented by a derivation of the resistance matrix. Finally, the high accuracy and wide applicability of this analytical calculation method were verified by comparing the calculated results with simulated results of finite element method by Maxwell software. © 2017 Chin. Soc. for Elec. Eng.

Keyword:

Electric inductors Electric windings Magnetic fields Phase shift Thin films Winding

Community:

  • [ 1 ] [Dong, Jiqing]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou; Fujian Province; 350108, China
  • [ 2 ] [Chen, Yixiang]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou; Fujian Province; 350108, China
  • [ 3 ] [Wang, Jinghui]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou; Fujian Province; 350108, China

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Source :

Proceedings of the Chinese Society of Electrical Engineering

ISSN: 0258-8013

CN: 11-2107/TM

Year: 2017

Issue: 21

Volume: 37

Page: 6437-6444

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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