【摘要】 通过对电力变压器端部绝缘结构中“油隙”区放电特性的分析提出了改善油隙区电场分布的方法，降低静电环绝缘层的介电常数，模拟试验表明，该方法可提高起始放电电压更多还原

【Abstract】 By analysing the discharge charcteristics in oil space of end of the insnlation structure of the power transformer, we put forward the method to improve the electric field distribution i.e. decrease the dielectric constant of the dectrostatic ring insulation coating. The limulate experiment proves that this method can raise the starting dischange voltage.更多还原