Comprehensive Overview of Modern Controllers for Synchronous Reluctance Motor

Table 1

Performance analysis of different electrical motors.

Motor	Rotor types	Advantages	Disadvantages	Main applications
Induction motor [1, 16, 17]	(i) Rugged squirrel cage rotor; (ii) Wounded rotor	(i) High inertia; (ii) Wide range of power ratings; (iii) High torque capability; (iv) Flux ripple due to magnetic saturation; (v) Good speed regulation; (vi) Robust and simple mechanical structure; (vii) Cost-effectiveness; (viii) High efficiency	(i) Moderate torque ripple; (ii) Moderate speed ripple; (iii) Moderate total harmonic distortion (THD); (iv) Moderate weight and volume/weight ratio	Industrial applications, pumps, fans, conveyors, etc.
Synchronous motors [2]	(i) Wounded rotor	(i) Wide range of power ratings; (ii) High torque capability; (iii) Low-torque ripple; (iv) Low-speed ripple; (v) Low total harmonic distortion (THD); (vi) Excellent speed regulation	(i) Relatively higher cost compared to induction motors	Robotics, automation, and high-performance applications
SynRM [18–22]	(i) Skewed rotor; (ii) Rotor with asymmetric flux barrier	(i) Reliable; (ii) High dynamic response; (iii) High-speed control	(i) High torque ripple; (ii) Low-power factor	Industrial applications such as pumps, fans, traction, etc.
PMSYNRM [15]	(i) Skewed rotor; (ii) Rotor with asymmetric flux barrier; (iii) PM materials	(i) Reliable; (ii) High dynamic response; (iii) Very high performance	(i) The manufacturing process is very hard; (ii) The installation process is quite difficult	Traction applications