NDLI: Overall Cost Comparison Between Cable and Overhead Lines Including the Costs for Repair After Random Failures

Content Provider	IEEE Xplore Digital Library
Author	Benato, R. Napolitano, D.
Copyright Year	1986
Abstract	This paper deals with the comparison between the overall whole-of-life costs of overhead lines (OHL) and those of underground insulated cables (UGC). Almost all the investigations published so far, when analyzing maintainability issues, take into account only the costs of planned/periodical maintenance; here, a method for assessing also the expenses sustained for repair after random failures is proposed. The number of random failure events for each kind of component over the entire service life of a transmission line can only be predicted on a probabilistic basis: its expected value is estimated by making use of the relevant mean failure rates from recent statistical surveys. The entire procedure is shown by carrying out a particular case study as an example; the break-even point between the OHL-UGC overall costs, corresponding to a typical rural land Italian market value w_x = 26.9 Euros/m², is identified. Nonetheless, the method may be widely applied to any type of OHL-UGC comparison.
Sponsorship	IEEE Power Engineering Society
Starting Page	1213
Ending Page	1222
Page Count	10
File Size	1739656
File Format	PDF
ISSN	08858977
Volume Number	27
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power cables Maintenance engineering Economics Energy loss Cable insulation Investments Shunts (electrical) repair cost Insulated cables overall cost comparison overhead lines
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology 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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