NDLI: The role played by current phase shift on magnetic field established by AC double-circuit overhead transmission lines-part I: static analysis

Content Provider	IEEE Xplore Digital Library
Author	Mazzanti, G.
Copyright Year	1986
Abstract	AC double-circuit overhead transmission lines may exhibit large phase-shift angles between current phasor terns of the two circuits. Here, a static analysis (relevant to single time instants or constant load conditions) of the role played by such a phase shift on the magnetic field established by these lines is performed, showing that the phase-shift angle interacts with the phase conductor arrangement, resulting in a wide variety of field profiles at a given line section. The analysis, carried out for two tower topologies and several couples of rms current values, reveals interesting general features of field profiles that depend only on the phase-shift angle. This proves that neglecting, or even misunderstanding, current phase-shift effects for ac double-circuit overhead transmission lines can lead to severe errors in field calculation that may have negative consequences on human exposure estimates, both at the design stage of new lines and at the rearrangement stage of existing lines.
Sponsorship	IEEE Power Engineering Society
Starting Page	939
Ending Page	948
Page Count	10
File Size	1158161
File Format	PDF
ISSN	08858977
Volume Number	21
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-01
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 fields Magnetic analysis Power transmission lines Circuits Performance analysis Conductors Poles and towers Topology Couplings Lead power transmission lines Current phase shift magnetic-field effects magnetic fields
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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