Interaction of Transformer Oil Parameters on Each Other and on Transformer Health Index Using Curve Estimation Regression Method

Table 6

Comparison of two regression methods to predict the relationship between IFT and furfural components of transformer.

Equation	Model summary					Parameter estimates
	R-Square	F	df1	df2	Sig	Constant	b1
Power	0.644	213.509	1	118	0	18.937	−0.240
S	0.139	18.988	1	118	0	3.246	0.011

Dependent variable: IFT; independent variable: furfural.