冷縮增爬傘裙對(duì)沿面絕緣的影響及應(yīng)用
劉輝1，2，趙瑩1，2，翟賀鵬1，2，穆三強(qiáng)1，2，劉鈺翔1，2
（1 許繼集團(tuán)有限公司，河南 許昌 461000；2 許昌許繼德理施爾電氣有限公司，河南 許昌 461000）
摘 要：以棱邊突出的金屬凸輪為研究對(duì)象，利用試驗(yàn)及計(jì)算機(jī)軟件仿真分析其在高電壓下的放電現(xiàn)象及電場特性，分析邊沿效應(yīng)及放電路徑等因素對(duì)放電過程的影響。通過施加冷縮增爬傘裙增加金屬導(dǎo)體之間的爬電距離，分析了冷縮傘裙與尼龍軸間界面壓力對(duì)沿面絕緣的影響，給出了冷縮傘裙選型方式。研究成果可用于各種電氣設(shè)備內(nèi)部金屬導(dǎo)體尤其是不規(guī)則導(dǎo)體間的絕緣優(yōu)化設(shè)計(jì)。
關(guān)鍵詞：金屬凸輪；冷縮增爬傘裙；爬電距離；界面壓力
中圖分類號(hào)：TM213 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2017)09-0044-03
Influence and Application of Cold Shrink by Climbing Skirt on Edge Insulation
LIU Hui1,2, ZHAO Ying1,2, ZHAI He-peng1,2, MU San-qiang1,2, LIU Yu-xiang1,2
（1 Xuji Group Corporation, Xuchang 461000, China; 2 XJ-Driescher Wegberg Electric Co., Ltd, Xuchang 461000, China）
Abstract: Taking the rigid cams with protruding edges as the research object, this paper used the experiments and the computer software to simulate and analyze the discharge phenomena and electric field characteristics under high voltage, and analyzed the influence of edge effect and discharge path etc factors on the discharge process. By applying the cold shrink by climbing skirt to increase the creepage distance between the metal conductors, this paper analyzed the impact of the interfacial pressure between the cold umbrella skirt and the nylon shaft on the edge insulation and gave the selection method of cold shrink umbrella skirt. The research result could be used to optimize the insulation design of various interior metal conductors of electrical equipments, especially between the irregular conductors.
Key words: metal cam; cold shrink by climbing skirt; creepage distance; interfacial pressure
參考文獻(xiàn)
[1] 周澤存，沈其工，方瑜，等.高電壓技術(shù)[M].2版.北京：中國電力出版社，2004：29-35.
[2] 李如峰，王成江，胡帥，等.復(fù)合絕緣子微間隙大小對(duì)電場分布的影響[J].電力與能源，2012，33(5)：429-432.
[3] 孟曉波，梅紅偉，陳昌龍，等.傘裙結(jié)構(gòu)對(duì)絕緣子表面流柱發(fā)展特性的影響[J].中國電機(jī)工程學(xué)報(bào)，2014，34(3)：468-477.
[4] 王佩龍.高壓電纜附件的電場及界面壓力設(shè)計(jì)[J].電線電纜，2011(5)：1-4.
[5] 柳松，彭嘉康，王霞，等.高壓電纜附件界面壓力的影響因素分析[J].絕緣材料，2013，46(6)：86-89.
