Reduction of Cogging Torque in Dual Rotor Permanent Magnet Generator for Direct Coupled Wind Energy Systems

Table 2

Cogging torque values obtained before and after combined effect.

Parameters	Before; reduction	After applying combined effect
(mm)	1.5	1.5
(mm)	2.5	1.35
(mm)	10.68	8.99
(mm)	20.32	20.32
	Not shifted	Shifted anticlockwise by 6.01 mm
	Not shifted	Shifted clockwise by 10.11 mm
(Nm)	1.818	0.194