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Basic features of current induced/shared by cables mounted on down conductors/towers during stroke interception

Kumar, U and Kunkolienker, GR (2012) Basic features of current induced/shared by cables mounted on down conductors/towers during stroke interception. In: 2012 International Conference on Lightning Protection (ICLP), 2-7 Sept. 2012, Vienna.

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Official URL: http://dx.doi.org/10.1109/ICLP.2012.6344352

Abstract

The telecommunication, broadcasting and other instrumented towers carry power and/or signal cables from their ground end to their upper regions. During a direct hit to the tower, significant induction can occur to these mounted cables. In order to provide adequate protection to the equipments connected to them, protection schemes have been evolved in the literature. Development of more effective protection schemes requires a quantitative knowledge on various parameters. However, such quantitative knowledge is difficult to find at present. Amongst several of these aspects, the present work aims to investigate on the two important aspects: (i) what would be the nature of the induced currents and (ii) what will be the current sharing if as per the practice, the sheath of the cable is connected to the down conductor/tower. These aspects will be useful in design of protection schemes and also in analyzing the field structure around instrumented towers.

Item Type: Conference Proceedings
Additional Information: Copyright of this article belongs to IEEE.
Keywords: Lightning; Induction to Cables; Strike to Towers
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: Francis Jayakanth
Date Deposited: 15 Apr 2013 06:01
Last Modified: 15 Apr 2013 06:01
URI: http://eprints.iisc.ac.in/id/eprint/46373

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