.png)
Single-phase induction motors (SPIM) are extensively used in many industrial, commercial, and household applications. These motors are therefore required to be highly efficient and cost-effective. As the efficiency is inherently compromised for these motors, enhancement in the operating efficiency is of prime importance. This work dealt with the single-phase induction motor for increasing the efficiency by converting it to a line-start synchronous reluctance motor (LS-SynRM). However, the effect of change in the barrier shapes, such as line angle or arc shape, and the introduction of a hyperbolic barrier in the rotor are considered. The performance is determined by simulations with the FEM Ansys Maxwell software. The 0.5HP SPIM is considered for analysis. The detailed comparative parametric sensitivity analysis is carried out on rotor parameters such as barrier shape, barrier position, barrier width, rib width, and pole arc to pole pitch ratio. The results demonstrate that the efficiency of the motor is considerably dependent on these prescribed parameters, and the optimum performance is noted for the barrier position of 25 mm and barrier width of 2 mm for the designated cases. This paper also provides a detailed comparative statistical analysis of torque pulsations.
Cite this article as: M. Chaudhari, A. Chowdhury, G. Dhole, "Effect of Flux Barrier Shape on Performance of Single- phase Line Start Synchronous Reluctance Motor Modified from Single Phase Induction Motor", Electrica. vol. 21, no. 3, pp. 322-341, Sep. 2021.