Structural Design Method of Gas Insulated Busbar Based on Reliability Improvement
A technology of gas insulation and design method, applied in computing, special data processing applications, instruments, etc., can solve problems such as unreliable reliability, no accurate design method and design process, design difficulties, etc., and achieve the effect of avoiding abnormal operation of the busbar
Active Publication Date: 2018-01-12
SHENZHEN POWER SUPPLY BUREAU +1
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Problems solved by technology
[0003] The design of gas-insulated busbars in related technologies mainly relies on empirical formulas to determine their specific dimensions, or uses numerical analysis methods to verify the performance of gas-insulated busbars with known dimensions. There is no accurate and systematic design method and design process, resulting in design difficulties. Reliability needs to be improved, and it is difficult to ensure that the product has the smallest form factor and the best economic benefit
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[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0020] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does no...
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The invention discloses a method for designing the structure of a gas-insulated bus bar based on reliability improvement. The gas-insulated bus bar includes a conductive rod and a shell. The design method includes the following steps: S1. According to the minimum working pressure of the gas-insulated bus bar, determine The surface field strength E of the conductive rod determines the initial outer radius r outer 1 of the conductive rod and the initial inner radius R inner 1 of the shell; S2, calculates the initial outer radius of the shell according to the wall thickness formula of the shell and R inner 1 R outer 1; S3, calculate the wall thickness δ of the conductive rod under the minimum loss through simulation Conductive rod, combined with r outer 1 to determine the initial inner radius r inner 1 of the conductive rod; S4, Simulation iteration through the numerical calculation method of multi-physics field coupling Calculate the ideal size of the gas-insulated busbar so that the temperature rise of the gas-insulated busbar meets the requirements and the cost is low. According to the reliability-improved gas-insulated bus structure design method of the present invention, the reliability is high, systematized, precise, and high-efficiency, providing a guiding basis for the reliable design of the gas-insulated bus.
Description
technical field [0001] The invention relates to the technical field of electrical equipment, in particular to a design method for a gas-insulated bus (including a GIS bus and a gas-insulated transmission line). Background technique [0002] It is pointed out in related technologies that gas insulated transmission lines (including GIS bus bars) have the advantages of large transmission capacity, no insulation aging problem, low loss, and low electromagnetic radiation. It is the first choice to replace the overhead transmission line, or the area where the cultural landscape requires protection, etc., and it is also an optional solution to the problem of corridor tension caused by the growing load in the urban area of the big city. [0003] The design of gas-insulated busbars in related technologies mainly relies on empirical formulas to determine their specific dimensions, or uses numerical analysis methods to verify the performance of gas-insulated busbars with known dime...
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IPC IPC(8): G06F17/50
Inventor 吐松江·卡日高文胜赵宇明张欣姚森敬朱正国
Owner SHENZHEN POWER SUPPLY BUREAU