【摘要】 本文就一台主变压器绝缘电阻低于“规程”允许值的问题，进行了原因分析，提出了简易的处理方法，取得了较好效果，同时提出了几个值得探讨的问题，对提高变压器的安全运行水平有一定的现实意义。更多还原

【Abstract】 After analyzing the reason that insulation resistance of a main transformer is lower than allowed value in Regulations,a simple method is given out to deal with it,and a good result obtained. Some problems worth study are also put forward. All these have immediate significance for improving safe operation of transformers.更多还原