Study on the Fractal Dimension and Growth Time of the Electrical Treeing Degradation at Different Temperature and Moisture

Table 4

Tree growth at variable temperature of group D.

Sample	Moisture level	Temperature	Growth time	Fractal dimension
D1	2.5%	15°C	12 min	1.5388
D2	2.5%	20°C	5 min	1.4981
D3	2.5%	25°C	2.5 min	1.2691
D4	2.5%	30°C	30 s break	Break