NDLI: Shape and electric performance improvement of an insulator string using particles swarm algorithm

Content Provider	IET Digital Library
Author	Doufene, Dyhia Bouazabia, Slimane Haddad, Abderrahmane
Abstract	In this study, a particle swarm optimisation (PSO) algorithm coupled with finite-element method (FEM) is implemented to improve the performance of a cap-and-pin insulator by reducing the value of maximum electric field strength. Two goals are set in this work: (i) optimisation of the tangential electric field distribution and magnitude (which is taken as the objectif function to be minimised) to reduce the risk of flashover due to surface pollution, and (ii) reduction of the creepage distance (by adopting adequate constraints) leading to a reduction of the surface area and consequently a decrease in the insulator weight. The investigation is divided into two parts; first, one-unit insulator is optimised with which a chain is constructed, and its performance compared with the reference insulator string. The second part considers a whole chain of four-unit insulator whose performance is optimised and compared to that of a reference insulator string. The main finding of this work indicates that, if an insulator string is constructed using an optimised cap-and-pin unit, the performance of the so-formed string is also optimised. The optimisation of a complete string leads to practically the same performance as that of a string obtained by assembling optimised insulator units.
Starting Page	198
Ending Page	205
Page Count	8
ISSN	17518822
Volume Number	14
e-ISSN	17518830
Issue Number	Issue 2, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-smt/14/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2019.0405
Journal	IET Science, Measurement & Technology
Publisher Date	2019-12-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cap Ceramic Insulators Complete String Connector Electric Field Electric Performance Improvement Finite Element Analysis Finite Element Method Flashover Four-unit Insulator Insulator Insulator Contamination Insulator String Insulator Weight Maximum Electric Field Strength Numerical Analysis Numerical Approximation And Analysis Objectif Function One-unit Insulator Optimisation Technique Optimised Insulator Units Particle Swarm Algorithm Particle Swarm Optimisation Particle Swarm Optimisation Algorithm Pin Insulator Pin Unit Power Line Supports Surface Area Tangential Electric Field Distribution
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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