Diagnosis of Broken Bars in V/F Control Induction Motor Drive Using Wavelets and EEV Estimation for Electric Vehicle Applications

Table 1

Switching states and space vector representation of VSI.

Type	Switching state	On-state switch	PWM inverter voltage			Space vector
			Active states	[1 6 2]					0
[1 3 2]					0
[4 3 2]		0			0
[4 3 5]		0
[4 6 5]		0		0
[1 6 5]				0
Zero states	[1 3 5]		0	0	0	= 0
	[4 6 2]					= 0