Direct Torque Control of Sensorless Induction Machine Drives: A Two-Stage Kalman Filter Approach

Table 3

Specification of induction motor and inverter.

Induction motor	Value
Nominal torque	10 Nm
Nominal voltage	380 V
Rotor resistance	2.5 Ω
Stator resistance	3.6 Ω
Stator inductances	0.301 H
Rotor inductances	0.302 H
Mutual inductances	0.273 H
Pole pairs	2
Inverter/controller	Value
Switching device	1000 V, 80 A, IGBT
Control cycle time	100 s
Main CPU	DSP, TMS320C6713, 225 MHz