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An Integro-Differential Equation Technique for the Computation of Radiated EMI Due to Corona on HV Power Transmission Lines

Nayak, SK and Thomas, Joy M (2005) An Integro-Differential Equation Technique for the Computation of Radiated EMI Due to Corona on HV Power Transmission Lines. In: IEEE Transactions on Power Delivery, 20 (1). pp. 488-493.

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Abstract

This work presents a novel technique for the computation of radiated electromagnetic interference (EMI) levels due to corona on high-voltage (HV) transmission lines. The EMI levels computed using the present technique for various HV transmission lines from around the world matches well with the experimentally measured values, thus validating the present technique. Using the technique developed, the influence of transmission line length, distance of observation point from the line, conductor diameter as well as the transmission line configuration on the radiated EM field has been studied. It is seen that for observation points which are close to the transmission line corridor, the total radiated electric field remains almost constant for line lengths above 1500 m. For observation points which are far away, a longer length of the line needs to be considered for computation of the total electric field. In the study, it is seen that the transmission line conductor height and line configuration have marginal influence on the radiated electric field.

Item Type: Journal Article
Additional Information: �©2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: corona;electromagnetic interference (EMI);high-voltage transmission lines;radio interference (RI);radio noise (RN)
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 04 Aug 2005
Last Modified: 19 Sep 2010 04:19
URI: http://eprints.iisc.ernet.in/id/eprint/3449

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