非線性均壓材料的設(shè)計(jì)理論與參數(shù)調(diào)控
[Abstract]:The conductivity or dielectric constant of materials with nonlinear electrical parameters can be changed adaptively with the space electric field, so as to achieve the effect of intelligently improving the uniformity of the spatial electric field distribution of the insulating medium, and can be used to alleviate the high electric field in the local concentration of high voltage equipment. At present, materials with high stable nonlinear conductivity, such as zinc oxide varistor microspheres as fillers and insulating materials as matrix, have been prepared at home and abroad. In this paper, the design theory of voltage equalizing for nonlinear conductive materials in the world is reviewed in detail, and how to select the parameters of nonlinear voltage equalizing materials according to the actual needs of improving the electric field distribution is introduced. On this basis, the research work of international scholars on regulating the nonlinear parameters of materials to meet the needs of pressure sharing design in the process of material preparation is summarized. The development of nonlinear pressure equalizing materials in practical high pressure equipment is also briefly introduced in this paper.
【作者單位】: 清華大學(xué)電機(jī)系電力系統(tǒng)及發(fā)電設(shè)備控制和仿真國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【分類(lèi)號(hào)】:TM21
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