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A method for optimal selection and configuration of power transmission and transformation insulators

A configuration method and technology of insulators, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems not involved in the optimal selection and configuration method of power transmission and transformation insulators, and achieve the effect of preventing pollution flashover

Active Publication Date: 2016-01-27
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the technical solution of the invention patent application does not involve the optimal selection and configuration method of power transmission and transformation insulators

Method used

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  • A method for optimal selection and configuration of power transmission and transformation insulators
  • A method for optimal selection and configuration of power transmission and transformation insulators
  • A method for optimal selection and configuration of power transmission and transformation insulators

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Embodiment Construction

[0030] In order to better understand the above technical solutions of the present invention, a further detailed description will be given below in conjunction with the drawings and embodiments.

[0031] The method for optimal type selection and configuration of power transmission and transformation insulators of the present invention obtains the pollution flashover characteristics of different insulators through computer simulation according to the pollution accumulation mechanism and pollution flashover mechanism of the insulators, and realizes the optimal type selection configuration of the external insulation of the insulators.

[0032] The method for optimal selection and configuration of power transmission and transformation insulators of the present invention is used to realize the optimal selection and configuration of the external insulation of insulators through computer modeling and simulation, including the following steps:

[0033] S11: According to the structural c...

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Abstract

The invention discloses a method for optimal selection and configuration of power transmission and transformation insulators, and relates to methods for insulator manufacturing or insulator selection, in particular to a method for optimal selection and configuration of power transmission and transformation insulators of an extra-high voltage alternate current and direct current transmission line. The method comprises the steps of establishing an aerodynamic characteristic simulation model of typical power transmission and transformation insulators; carrying out computer simulation on air vortex and air pressure on the surface layers of the typical power transmission and transformation insulators, the contamination property and the deposition property of contamination particles; giving the contamination property, including the contamination quantity, contamination distribution and the saturation contamination degree, of the typical power transmission and transformation insulators; establishing a computer simulation electric arc dynamic model of contamination insulator arc-over; carrying out computer simulation on flashover performance of the typical insulators under different contamination conditions; selecting optimal selection and configuration parameters of the power transmission and transformation insulators or giving advice on the periodicity of an electric transmission line and seeking ameliorative measures for preventing pollution flashover according to results of contamination simulation and flashover simulation.

Description

technical field [0001] The invention relates to special equipment or methods for manufacturing insulators or insulating objects, in particular to an optimal type selection and configuration method for power transmission and transformation insulators used in UHV AC and DC transmission lines. Background technique [0002] UHV AC / DC transmission lines are inevitably affected by special natural environments such as pollution and high altitude, so how to consider the impact of complex environments on the external insulation characteristics of equipment is a technical problem for high-voltage, ultra-high voltage, especially UHV transmission lines. So far, countries around the world including my country have carried out a lot of research work on insulator pollution flashover, and the research results have become important reference materials for scientific research design units and operation departments, but pollution flashover accidents have not disappeared from the power grid. Po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 肖嵘
Owner STATE GRID CORP OF CHINA
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