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

Table 3

Performance of open loop V/F control of IM under dynamic state: stator current, rotor speed when step change in load torque.

Time-domain parameters	V/F control
	Fixed load			Full load
	(ms)	(ms)	(%)	(ms)	(ms)	(%)
Stator current	73	1031	551	77	1030	541
Rotor speed	1727	1031	75	1030	1030	101.5