NDLI: Generation and Propagation of Common-Mode Currents in a Balanced Two-Conductor Line

Content Provider	IEEE Xplore Digital Library
Author	Sugiura, A. Kami, Y.
Copyright Year	1964
Abstract	Based on the transmission line theory, modal transformation is applied to a balanced two-conductor line connected to a signal source and a load, which yields an equivalent circuit expressed in differential and common modes. This newly developed equivalent circuit clearly shows that the common-mode currents on a balance two-conductor line are generated by (1) direct injection of the common-mode current by a connected RF source; (2) multiple mode conversions by the source and load; and (3) multiple reflections of the modal currents at the source and load. The effects of branch lines connected to the feeder line are also investigated, focusing on generation of the common-mode current. It is concluded that the common-mode currents are also generated by (4) series connection of a branch line. Particularly, in the case of a switching branch line, the connection of a feeder line makes the branch line imbalanced, resulting in the common-mode current in the branch line. The aforementioned theoretical findings are compared with computer simulation using the method of moments with the numerical electromagnetic code (NEC2).
Sponsorship	IEEE Electromagnetic Compatibility Society
Starting Page	466
Ending Page	473
Page Count	8
File Size	903638
File Format	PDF
ISSN	00189375
Volume Number	54
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Equations Integrated circuits Equivalent circuits Power transmission lines Mathematical model Transmission line theory Moment methods transmission line BPL common mode differential mode LCL PLC PLT power line
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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