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Reading: Directions for Solving Bad Workman Practices in Power Distribution Line Connections

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Section II

Directions for Solving Bad Workman Practices in Power Distribution Line Connections

Authors:

A. G. D. P. Jayasekara ,

Ceylon Electricity Board, LK
About A. G. D. P.

Planning Engineer, Western Province North

Eng., BScEng(Hons), MSc(Moatuwa), AIE(Sri Lanka)

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J. R. Lucas,

University of Moratuwa, LK
About J. R.

Senior Professor, Department of Electrical Engineering

Prof., BScEng(Ceylon), MSc(Manch), PhD(Manch), FIEE, CEng, FIE(Sri Lanka), IPEng, MCS(SLanka),

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W. D. A. S. Wijayapala

University of Moratuwa, LK
About W. D. A. S.

Senior Lecturer, Department of Electrical Engineering

Eng., BScEng(Hons), MEng, IPEng, CEng, FIE(Sri Lanka),

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Abstract

Standardization of the process of power line connector installation and proper die selection technique for compression connectors is essential for power system reliability improvements. This paper presents an attempt to identify good workman practices required for making proper power distribution line connections. This will be a guide in the assembly and preventive maintenance of efficient electrical connections for power distribution circuits. Data and experience gained through usage of power line connectors by Ceylon Electricity Board is the basis of this study. Properties of conductor metals and metal oxides illustrate the requirements of standardized methods of making connections. Requirements for the proper selection of connectors; the proper preparation of conductors; and the proper application of fusion, compression, and bolted connectors are identified. Standards available on power line connectors are given. Photographs of bad workman practices are included with explanations. Mathematical formulas are developed for calculating the correct die size for compression connectors. Performance identification of any type of connector installed in a power line is carried out by thermal imaging. Thermal images taken from a few installed connectors are included and a procedure for assessing connector performance is suggested.
How to Cite: Jayasekara, A.G.D.P., Lucas, J.R. & Wijayapala, W.D.A.S., (2012). Directions for Solving Bad Workman Practices in Power Distribution Line Connections. Engineer: Journal of the Institution of Engineers, Sri Lanka. 45(3), pp.33–44. DOI: http://doi.org/10.4038/engineer.v45i3.6931
Published on 28 Jul 2012.
Peer Reviewed

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