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    Suzhou Electric Appliance Research Institute
    期刊號(hào): CN32-1800/TM| ISSN1007-3175

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    550 kV環(huán)氧樹脂浸紙多出線套管抗震性能研究

    來源:電工電氣發(fā)布時(shí)間:2024-04-07 09:07 瀏覽次數(shù):383

    550 kV環(huán)氧樹脂浸紙多出線套管抗震性能研究

    劉傳會(huì),劉偉,王海麗
    (山東彼岸電力科技有限公司,山東 濟(jì)南 250200)
     
        摘 要:為評(píng)估 550 kV 環(huán)氧樹脂浸紙多出線套管的抗震性能,對(duì)該型套管進(jìn)行了有限元分析。根據(jù)產(chǎn)品設(shè)計(jì)繪制三維實(shí)體模型,模態(tài)分析計(jì)算此套管的固有頻率,對(duì)套管施加靜態(tài)端子拉力、自重力及等效風(fēng)載荷,計(jì)算靜態(tài)載荷及響應(yīng)譜情況下套管的最大位移,并對(duì)靜力載荷與地震載荷進(jìn)行工況組合,分析在靜態(tài)載荷和地震載荷綜合情況下套管主要零部件的位移及應(yīng)力。分析數(shù)據(jù)顯示,該多出線套管計(jì)算安全系數(shù)完全滿足 AG5 地震水平要求,應(yīng)力最大位置為芯體上部卷制管位置,后期設(shè)計(jì)時(shí)應(yīng)充分考慮提高卷制管壁厚及剛度,提高該套管的安全系數(shù)。
        關(guān)鍵詞: 多出線套管;環(huán)氧樹脂浸紙;響應(yīng)譜;工況組合;抗震性能
        中圖分類號(hào):TM216.5     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2024)03-0055-06
     
    Study on Seismic Performance of 550 kV Epoxy Resin
    Impregnated Paper Multioutlet Bushing
     
    LIU Chuan-hui, LIU Wei, WANG Hai-li
    (Shandong Peiport Electric Power Science & Technology Co.,Ltd, Jinan 250200, China)
     
        Abstract: In order to study the seismic performance of 550 kV epoxy resin impregnated paper multioutlet bushing, the finite element analysis on the bushing were carried out in this paper. Draw a three-dimensional solid model based on the product design, calculate the natural frequency of this bushing through modal analysis, apply static terminal tension, self gravity, and equivalent wind load to the casing, calculate the maximum displacement of the casing under static load and response spectrum conditions. Finally, the working conditions of static load and seismic load are combined to analyze the displacement and stress of the main components of the bushing. The analysis data shows that the calculated safety factor of the bushing fully meets the AG5 seismic level requirements, the maximum stress position is the rolled tube,located at the upper part of the core body. During the later design, full consideration should be given to increasing the wall thickness and stiffness of the rolled pipe, in order to improve the safety factor.
        Key words: multioutlet bushing; epoxy resin impregnated paper; response spectrum; working condition combination; seismic performance
     
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