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山火过火后灰烬颗粒附着对XWP2-160瓷绝缘子串交流污闪特性的影响

open access: yesGaoya dianqi
山火过火后植被燃烧产生的灰烬颗粒会附着在绝缘子表面,灰烬颗粒作为导电性质的污秽会对绝缘子的绝缘性能产生影响。本文通过烧损试验获取植被燃烧灰烬颗粒,并以3片串XWP2-160瓷绝缘子为试品开展闪络试验,研究了灰烬颗粒浓度(TCD)、初始盐密(ISD)和灰烬附着面积(ST)对绝缘子闪络电压以及泄漏电流的影响规律。研究表明:随着TCD的增加,染污绝缘子的闪络电压近似呈线性降低,泄漏电流峰值呈指数为正的幂函数增加,与无灰烬附着下的情况相比,闪络电压降低19.8%~31.5%,泄漏电流峰值升高16.6%~44.4%
全心成   +5 more
doaj  

[A case of segmental atrophy of the liver in children]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Qiu YL, Mao Y, Lu CL.
europepmc   +1 more source

[Ultrasound technologies' new clinical application for chronic liver diseases]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Xiao MY, Lu X, Jin JY, Wu ML, Ren J.
europepmc   +1 more source

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