This article , which researches on composite insulators " ac flashover characteristic in high altitude and ice environment , has significant science values in theory and can also create enormous economy benefit in engineering 因此本文研究合成絕緣子在高海拔和覆冰地區(qū)的交流閃絡(luò)特性在理論上具有非常重要學(xué)術(shù)價值,在工程上能夠創(chuàng)造巨大的經(jīng)濟效益。
The main tests and researches are as following : to study the ac flashover characteristic of composite insulator in different icing states by imitating tests in multifunctional artificial climate chamber , and analyze the effect of ice amount and icing water conductivity on flashover voltage , put forward a flashover mechanism by analyzing the icing flashover process . to study the ac flashover characteristic of composite insulator in different altitude and icing states together by imitating tests in multifunctional artificial climate chamber , and mainly analyze the effect of altitude ( air pressure ) and ice amount on flashover voltage , and investigate the flashover mechanism . to investigate the effect of high altitude and icing on the hydrophobicity of composite insulators 本文主要進行了以下試驗研究: 1 )在多功能人工氣候室里模擬不同覆冰程度下合成絕緣子的交流閃絡(luò)特性,主要分析覆冰量和覆冰水電導(dǎo)率對閃絡(luò)電壓的影響,并對其覆冰閃絡(luò)過程進行機理分析; 2 )在多功能人工氣候室里模擬不同海拔高度和覆冰程度綜合作用下合成絕緣子的交流閃絡(luò)特性,主要分析海拔高度(即氣壓)和覆冰量對閃絡(luò)電壓的影響,并進行閃絡(luò)機理分析; 3 )研究高海拔和覆冰對合成絕緣子憎水性的影響。
With regard to the special environment of high altitude and ice , this paper mainly studies the effect of altitude ( air pressure ) , icing states ( ice amount ) and icing water conductivity on the ac flashover characteristic of composite insulators . furthermore , it analyzes the hydrophobicity of composite insulators in these environments 針對高海拔和覆冰地區(qū)特殊的環(huán)境,本文重點研究海拔高度(即氣壓) 、覆冰程度及覆冰水電導(dǎo)率等對合成絕緣子交流閃絡(luò)特性的影響,并且對合成絕緣子在高海拔和覆冰環(huán)境下的表面憎水性變化進行分析。