Joint modeling for conductive plates in low-frequency magnetic shielding

Ya Ping Du, Nenghong Xia, Mingli Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

7 Citations (Scopus)


Low-frequency magnetic shielding is usually made with finite-size metallic plates. The discontinuity on the shield is unavoidable, and degrades the performance of shielding. In this paper an equivalent circuit method was proposed to model the joint of conductive plates, and to evaluate the magnetic fields around the joint. The circuit equation using total cell current was presented. The modeling method was validated experimentally. Shielding performance of a shield against various joint parameters was also investigated. It is found that reasonable shielding performance can be achieved if the joint is provided with an adequate mating surface area and multiple fixing points.
Original languageEnglish
Article number6514582
Pages (from-to)2005-2008
Number of pages4
JournalIEEE Transactions on Magnetics
Issue number5
Publication statusPublished - 22 May 2013


  • Discontinuities
  • equivalent circuit
  • magnetic shielding
  • plate

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials


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