A Method for Optimal Coordinated Insulation Design of Transmission Line

The first step in the accepted methods of overhead transmission line insulation coordination is to specify a reliability criterion, and then based on this constraint the most economic insulation design is sought. While the objective of an optimal insulation design method is to find an insulation des...

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Bibliographic Details
Published in:Australian journal of electrical & electronics engineering 2010, Vol.7 (3), p.211-224
Main Authors: Williams, A., Vakilian, M., Blackburn, T.R.
Format: Article
Language:English
Subjects:
costs
design
Design and construction
economics
Electric insulators and insulation
Electric lines
Electric power systems
Electric power transmission
Electrical engineering
Engineering design
failure
High voltages
insulation
line
Mathematical models
Mathematical optimization
Methods
operation
Optimisation methods
Power lines
transmission
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Summary:The first step in the accepted methods of overhead transmission line insulation coordination is to specify a reliability criterion, and then based on this constraint the most economic insulation design is sought. While the objective of an optimal insulation design method is to find an insulation design that minimises the total cost (the sum of the installation cost, operational cost and cost of failure), each of the cost components can be determined on a per-year basis taking into account the equipment's lifetimes. In this paper, through application of ATP software and realising the total cost of different transmission line designs, a set of alternative insulation designs using various surge protection options are proposed. Employing the optimisation algorithm, an optimised insulation design for transmission line is achieved. Finally, this new method is employed for insulation design of a sample transmission line. The resultant cost savings of the new method is considerable and can result in a major saving.
ISSN:1448-837X
2205-362X
DOI:10.1080/1448837X.2010.11464273