Table 2.

Turn-to-turn capacitance for different insulation methods.

	Enameled Wires or Rubber Insulated Wire	Kapton Tape	Encapsulation
			Epoxy Resin	Silicone Gel
r	0.4 mm	0.4 mm	0.4 mm	0.4 mm
t	0.5 mm	1 mm	5.4 mm	5.4 mm
ε 0	8.854 × 10−12 F/m
εr	3	3.3	4.15	2.9
p	5.4 mm
Ceq	1.37 × 10−11	1.68 × 10−11	1.12 × 10−11	1.26 × 10−11