An Improved Direct Torque Control with an Advanced Broken-Bar Fault Diagnosis for Induction Motor Drives

Table 5

Specifications of simulation and experimental parameters.

Pn: nominal power	1.1 kW
V: nominal line voltage	220 V
I: nominal current	4.6 A
fs: power source frequency	50 Hz
P: number of pole pairs	1
R: average radius of the air-gap	35.76 mm
l: rotor length	65 mm
e: mean diameter of air-gap	0.2 mm
μ0: magnetic permeability of the air	4π  10^−7 H/m
Nr: number of bars	16
Ns: number of turns per phase	160
Rs: stator phase resistance	7.58 Ω
Rr: rotor bar resistance	150 μΩ
Re: ring portion resistance	150 μΩ
Le: short-circuit ring leakage inductance	0.1 μH
Lb: leakage inductance of a rotor bar	0.1 μH
Lfs: stator leakage inductance	26.5 mH
J: inertia moment	5.4  10^−3 kg·m^2
Ts: sampling time	0.0001 s
Simulation software	MATLAB/Simulink
Practical implementation system (HIL tests)	OPAL-RT 4510