Analytic and dynamic studies of a multi-star induction machine

In this paper, an analytic and dynamic studies of multi-stars induction machines are presented with the same characteristics of motors. In the first time, a general mathematical model is developed and then the model parameters such as the stator resistance, the stator leakage inductance and the mutual inductances between rotor and stator windings are determined by analytic expression. Simulations results for multi-stars induction machine emphasize the effectiveness of this study and its capability to achieve high quality of the output current and electromagnetic torque. It is concluded that when the phase's number increases, the torque ripple and the losses in the machine are reduced.