全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
中外文文献  中文文献  外文文献
作者:Ueta, G.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (3), pp.1026- 1034IEEE
摘要:The insulation performance of gas insulated switchgear (GIS) against lightning surges is verified by applying a lightning impulse (LI) voltage alone. However, the surge voltage generated in an actual system is superimposed over the ac operating voltage to form a waveform that dif...
作者:Iyer, G.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (1), pp.225- 229IEEE
摘要:Thermal analysis of epoxy solid dielectrics containing micron sized, nanometer sized, and a mixture of the two sizes, of silica was performed. Measurements of thermal conductivity and thermo gravimetric analysis (TGA) were conducted. The TGA data showed higher weight loss initiat...
作者:Farzaneh, M.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (5), pp.1997- 2011IEEE
摘要:Atmospheric ice accretion, combined with pollution, has been recognized as a significant risk factor in the reliability of line and station insulators in cold climate regions. Flashovers occurring on ice- and snow-covered insulators result from combinations of a number of factors...
作者:Mizuno, K.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (3), pp.1376- 1383IEEE
摘要:Copper sulfide deposition on cellulosic insulating materials in oil-immersed transformers is evaluated by heating tests stipulated by IEC 62535. Although this method is suitable for evaluation of the corrosivity of unused insulating oil, the subject remains in diagnosis of the in...
作者:Paul, S.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (2), pp.460- 466IEEE
摘要:This paper presents the development of epoxy-aluminum nanocomposites as a dielectric material by adopting a relatively low concentration of filler to obtain high dielectric constant simultaneously retaining low dielectric loss. Epoxy-aluminum nanocomposite is modeled as a three p...
作者:Winter, A.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (1), pp.116- 128IEEE
摘要:The development of electric fields in gas-solid insulation systems under dc voltage stress goes hand in hand with the accumulation and decay of charges on dielectric interfaces. The charge transport through the solid insulator and the gas is determined by the electric properties ...
作者:Cao, W.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (4), pp.1842- 1850IEEE
摘要:In this paper the accelerated aging experiments of oil-paper insulation are carried out to simulate the oil-paper aging process under normal thermal aging process. On the basis of the results of accelerated aging experiments, how the deviation degree of aging status change under ...
作者:Chen, J.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (4), pp.1592- 1599IEEE
摘要:Glaze grows on the conductor surface will affect corona onset voltage (COV). Wires iced under voltage is often neglected and scaled models always adopted to study the actual bundle conductors, there is no lights have been thrown into the downtrend of COV during charged icing. AC ...
作者:Hanai, M.
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (1), pp.88- 95IEEE
摘要:The relationship between the PD current pulse waveform at the PD source and the radiated electromagnetic (EM) waveform is investigated using a needle electrode for a metallic particle in SF6 gas at 0.2MPa. A leader discharge with a larger PD charge magnitude and a longer propagat...
作者:Fuqiang Tian
来源:[J].Dielectrics and Electrical Insulation, IEEE Transactions on, 2014, Vol.21 (3), pp.929- 931IEEE
摘要:Complex electric modulus, defined as the inverse of complex relative permittivity, can be a significantly powerful tool for analyzing dielectric behavior of a polymeric insulating material, especially at relatively high temperatures, where complex permittivity usually becomes ver...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×