结合近年来国内外相关文献阐述发电机绝缘老化机理，并提出用统计过电压参数与运行记录相结合的方法，推定绝缘剩余寿命。
Based on the insulation aging theories in recent years, the method combining statistic overvoltage parameters with operational records is proposed to estimate the residual life of insulation.
应用数理统计的原理和方法，研究开发了内部过电压统计分析软件。
Applying the theory and method of mathematical statistics, the statistical analysis software for internal overvoltage is studied and developed.
接着通过对攀枝花某企业变电所实测过电压数据进行统计与分析。
After that, the data of overvoltages can be statistics and analysis, which were measured online at the substation of a corporation in PanZhihua.
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