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Electric field measuring instrument support optimization method based on finite element simulation and differential evolution algorithm

A differential evolution algorithm, electric field measuring instrument technology, applied in neural learning methods, instruments, calculations, etc., can solve problems such as power frequency electric field distortion and inaccurate measurement results

Active Publication Date: 2019-10-22
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +2
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and provide a method for optimizing the support of the electric field measuring instrument based on finite element simulation and differential evolution algorithm, so as to solve the problems caused by the intervention of the support of the power frequency electric field measuring instrument in high-voltage power transmission and transformation projects. Distortion caused by the high-frequency electric field, which leads to inaccurate measurement results of the measurement system during on-site measurement

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  • Electric field measuring instrument support optimization method based on finite element simulation and differential evolution algorithm
  • Electric field measuring instrument support optimization method based on finite element simulation and differential evolution algorithm
  • Electric field measuring instrument support optimization method based on finite element simulation and differential evolution algorithm

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Embodiment

[0069] The first step: finite element simulation calculation of support structure and power frequency electric field environment;

[0070] The finite element calculation method has been widely used in the research of the power frequency electric field. The present invention calculates the power frequency electric field through the finite element simulation software ANSYS, and the flow process is: 1) utilize its electric field solver to establish the support structure model, and set the model material parameters . 2) Add excitation to the three-phase transmission line. 3) Boundary condition setting, that is, the voltage and current around the solution domain are 0, and the boundary field strength of the solution domain can be set to 0V / m in ANSYS software. 4) Mesh subdivision, using software to finely subdivide the transmission line and one side of the measuring instrument support in the solution domain, and roughly subdivide non-research objects such as the periphery. 5) Fin...

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Abstract

The invention discloses an electric field measuring instrument support optimization method based on finite element simulation and a differential evolution algorithm. The electric field measuring instrument support optimization method mainly comprises a high-voltage transmission line power frequency electric field measuring instrument support measurement error prediction method based on finite element simulation calculation and a BP neural network, and a molecular differential evolution optimization method fusing a molecular dynamics theory and a differential evolution algorithm. The inventionprovides a comprehensive optimization method with the minimum electric field measuring instrument support measurement error and the strongest environmental adaptability. Therefore, parameters of the measuring instrument support can be reasonably optimized, an optimization scheme with the minimum error measured by the measuring instrument support is obtained, and the novel electric field measuringinstrument support obtained through optimization design can effectively reduce the measurement error and enhance the adaptability to the humidity environment.

Description

technical field [0001] The invention relates to a method for optimizing a bracket of an electric field measuring instrument, in particular to a method for optimizing a bracket of an electric field measuring instrument based on finite element simulation and differential evolution algorithm. The utility model belongs to the technical field of power frequency high-voltage transmission line measurement. Background technique [0002] People are paying more and more attention to whether the static electricity and induced current caused by the power frequency electric field generated by high-voltage transmission lines will affect the daily production and life of residents, their health and electrical equipment. At the same time, power frequency electric field strength is an important monitoring indicator in electric power environmental protection disputes. Accurate measurement is the key factor for reasonable settlement of disputes. Furthermore, defense technology, biomedicine, pow...

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Application Information

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IPC IPC(8): G06F17/50G06N3/08
CPCG06N3/084G06F30/23
Inventor 邓永强徐锐林福海刘平伍发元
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
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