Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8916
Title: The magnetic field and induced current arising from a cylindrical shell loop with an unbalanced current
Authors: Xu, L
Du, Y 
Zhou, QB
Keywords: Cylindrical shield
Magnetic field
Unbalanced current
Issue Date: 2004
Publisher: Elsevier
Source: Electric power systems research, 2004, v. 71, no. 1, p. 21-26 How to cite?
Journal: Electric power systems research 
Abstract: This paper addresses the magnetic field and induced current associated with a cylindrical shell loop under the excitation of an unbalance current source. An equivalent circuit theory is introduced to describe the coupling effect when the cylindrical shell loop is formed. Close-form expressions of the circuit component parameters are derived, as well as the induced current and magnetic field. An experimental validation of the theory is presented. It is demonstrated that an electrically "isolated" cylindrical shell has no shielding effect, and effective shielding results if an opposite electric current flows along the cylindrical shell. Any additional resistance introduced in the loop will degrade the shielding performance.
URI: http://hdl.handle.net/10397/8916
ISSN: 0378-7796
EISSN: 1873-2046
DOI: 10.1016/j.epsr.2004.01.001
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