NDLI: Fast Analytical Computation of Power-Line Magnetic Fields by Complex Vector Method

Content Provider	IEEE Xplore Digital Library
Author	Moro, F. Turri, R.
Copyright Year	1986
Abstract	The electromagnetic environment related to electric power installations is typically evaluated by numerical integration methods. Numerical techniques, although powerful, are not well suited for assessing the dependence of the field strength on electric and geometric parameters. In this paper, a fast procedure to analytically evaluate power-line magnetic fields, based on complex vectors, is proposed. The use of complex algebra greatly simplifies analytical calculations compared to other approaches proposed in literature, allowing also complex conductor arrangements to be taken into account. A general formula for the magnetic-field intensity of any multiphase single-circuit line configuration is obtained. An expression for practical three-phase line configurations is simply derived as a particular case of the general formula. The proposed approach is then extended successfully to double-circuit lines, taking the load differences between circuits into account. Approximate formulas are validated by comparing magnetic flux density values with those computed from the general expression.
Sponsorship	IEEE Power Engineering Society
Starting Page	1042
Ending Page	1048
Page Count	7
File Size	458466
File Format	PDF
ISSN	08858977
Volume Number	23
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic analysis Magnetic fields Conductors Magnetic flux Electromagnetic compatibility Quaternions Maxwell equations Electromagnetic fields Algebra Circuits transmission lines Analytical formulas complex vectors magnetic fields
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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