油纸绝缘局部放电发展趋势及监测参数选取

Trend of Development of Transformer Partial Discharge and Discussion on Monitor Parameter

用三维图谱对变压器油浸纸绝缘模型的局部放电作趋势分析以发现其发展规律 ,试验和分析指出单纯放电量不能准确、全面反映绝缘劣化过程。

The paper analyses trend of development of transformer PD by using 3-dimensional pattern, and on the basis of tests and analysis, points out that PD quantity q can't reflect PD accurately and fully. A new monitor parameter proposed by this paper reflects PD better.