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Method for optimizing electric field distribution of cable accessory by indirect boundary element method

A cable accessory and boundary element method technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., to achieve high practical application value, strong adaptability, and fast calculation results

Inactive Publication Date: 2015-06-17
STATE GRID CORP OF CHINA +2
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

So far, there is no literature report and practical application of the method of optimizing the electric field distribution of cable accessories by using the indirect boundary element method

Method used

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  • Method for optimizing electric field distribution of cable accessory by indirect boundary element method
  • Method for optimizing electric field distribution of cable accessory by indirect boundary element method
  • Method for optimizing electric field distribution of cable accessory by indirect boundary element method

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Embodiment Construction

[0016] A method for optimizing the electric field distribution of cable accessories by using the indirect boundary element method of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] refer to figure 1 , a method for optimizing the electric field distribution of cable accessories using the indirect boundary element method, including the following:

[0018] 1) Establish a discrete model of the converter valve

[0019] According to the physical structure and electrical parameters of the converter valve, based on the ANSYS finite element analysis software, the simulation model of the converter valve is built, the appropriate subdivision unit is selected, the correct material properties are defined, the corresponding boundary conditions are imposed, and the simulation model of the valve is Discretization, get node and unit files;

[0020] 2) Boundary element method is used to calculate the surfac...

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Abstract

The invention discloses a method for optimizing the electric field distribution of a cable accessory by an indirect boundary element method. The method is characterized by comprising the following steps: establishing a discrete model of a cable accessory, and calculating the surface electric field of the cable accessory by an indirect boundary element method. The method is scientific and reasonable, realizes fast and accurate calculation and has strong adaptability and relatively high value in practical application.

Description

technical field [0001] The invention is a method for optimizing the electric field distribution of cable accessories by adopting indirect boundary element method, which is applied to the analysis and structure optimization of the electric field of high-voltage power cable accessories. Background technique [0002] Insulated high-voltage DC cables and accessories are one of the key equipment in DC transmission. In the process of researching and developing the insulation of DC cables and accessories, the analysis, calculation and control of the electric field of cable accessories has always been a common concern of science and engineering. So far, there have been no literature reports and practical applications on the method of optimizing the electric field distribution of cable accessories by using the indirect boundary element method. Contents of the invention [0003] The object of the present invention is to provide a method for optimizing the electric field distribution...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCY02E60/00
Inventor 宋颖巍吕忠华白敬涛吴昊蔡国伟刘士利李宁
Owner STATE GRID CORP OF CHINA