Multi-population genetic algorithm based comprehensive optimization design method for electrical and mechanical performance of basin-type insulator

Abstract

The invention discloses a multi-population genetic algorithm based comprehensive optimization design method for electrical and mechanical performance of a basin-type insulator. The method comprises the following steps of building an electric field and stress finite element analysis program of the basin-type insulator; partitioning parts to be optimized of the basin-type insulator; determining an optimization decision variable and a constraint condition of each part of the basin-type insulator, and building a structure optimization objective function; constructing a structural optimization design evaluation function of the basin-type insulator; and calling the finite element analysis program to figure out by applying a multi-population genetic algorithm. According to the method, the electrical performance and the mechanical performance of the basin-type insulator are comprehensively considered, a comprehensive optimization design scheme can be determined for the whole structure of the basin-type insulator with a complicated shape, the design period and the design cost of the basin-type insulator are effectively reduced, and the method has wide practicability and economy.

Description

technical field [0001] The invention belongs to the technical field of electrical equipment insulation structure design, and in particular relates to a basin-type insulator electrical and mechanical performance optimization design method based on a multi-population genetic algorithm. Background technique [0002] Basin insulator is a key component of gas insulated metal-enclosed switchgear (Gas Insulated Switchgear, GIS). It plays the role of supporting conductor, isolating gas chamber and electrical insulation in GIS. Its structural design needs to consider both electrical and mechanical performance. At present, the design of pot insulators is mainly based on computer numerical calculation methods to optimize the electrical properties of a certain position of the pot insulator, which ignores the influence of the structure of the pot insulator on its mechanical properties, which has limitations. [0003] The optimal design of the pot insulator structure involves multiple var...

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Problems solved by technology

[0007] In order to solve the existing defects in the prior art, the object of the present invention is to provide a basin-type insulator electrical and mechanical performance optimization design method based on multi-population genetic algorithm and finite element method, to solve the overall performance optimization of basin-type insulators At the same time, it is necessary to consider the electrical and mechanical properties of multiple parts at the same time, so as to comprehensively improve the overall performance of the pot insulator

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