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Optimizing method for lowering cable holder eddy current loss based on orthogonal test design

A technology of orthogonal test design and cable support, applied in the direction of design optimization/simulation, calculation, electrical digital data processing, etc., can solve the problems of low accuracy and low efficiency, improve efficiency and accuracy, save calculation time and The effect of large-scale data processing

Inactive Publication Date: 2018-03-30
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects and problems of low efficiency and low accuracy in the prior art, and provide a high-efficiency, high-accuracy optimization method based on orthogonal test design to reduce eddy current loss of cable support

Method used

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  • Optimizing method for lowering cable holder eddy current loss based on orthogonal test design
  • Optimizing method for lowering cable holder eddy current loss based on orthogonal test design
  • Optimizing method for lowering cable holder eddy current loss based on orthogonal test design

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Embodiment

[0046] see figure 1 , an optimization method for reducing the eddy current loss of a cable support based on an orthogonal test design, the method includes the following steps:

[0047] a. Design the level table of influencing factors, and generate an orthogonal test table according to the number of levels and the number of influencing factors;

[0048] This embodiment determines that the factors affecting the eddy current loss of the cable support are the distance between the cable and the support surface, the arrangement of the three-phase cables, the relative magnetic permeability of the cable support material, and the resistivity of the cable support material; the distance between the cable and the support surface The distances are set to 20mm, 30mm, and 40mm respectively; the arrangement of the three-phase cables is respectively set to be placed in the middle phase, horizontally placed in the middle phase, and vertically placed in the middle phase; the relative magnetic pe...

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Abstract

The invention discloses an optimizing method for lowering cable holder eddy current loss based on orthogonal test design. The method comprises the following steps of designing a table about influencefactors and levels, and generating an orthogonal test table according to the number of the levels and the number of the influence factors; conducting simulation calculation according to the orthogonaltest table to obtain eddy current loss values on cable supports in each set of simulated test; adding a simulation result in the orthogonal test table, solving the mean values and the ranges of all the levels of the influence factors respectively according to a simulation result and drawing an effect curve chart; obtaining the primary and the secondary sequence of various influence factors to thecable support eddy current loss according to the effect curve chart, and obtaining an optimal scheme for lowering the cable support eddy current loss through orthogonal test analysis. The optimizingmethod is not only high in efficiency, but also high in accuracy.

Description

technical field [0001] The invention relates to the field of eddy current loss, in particular to an optimization method for reducing eddy current loss of a cable support based on orthogonal test design, which is mainly applicable to improving efficiency and accuracy. Background technique [0002] Under the action of high AC current, the magnetic permeability of the cable bracket will have a non-negligible impact on the magnetic field around the cable. Long-term cable operation experience shows that the eddy current loss of ordinary steel brackets cannot be ignored. Therefore, the research on the eddy current loss of the steel support is conducive to the reasonable selection of the cable layout and the material of the cable support, reducing the loss and improving the operation level of the cable. Contents of the invention [0003] The purpose of the present invention is to overcome the defects and problems of low efficiency and low accuracy in the prior art, and provide an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/23
Inventor 周蠡彭迎李靖殷建刚柯方超周秋鹏陈然马骏张赵阳董弘川周英博姜山段志强高晓晶张宇娇
Owner STATE GRID CORP OF CHINA
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