The Single-Phase Induction Motor (SPIM) has a high starting current and needs a centrifugal switch to disconnect the auxiliary winding. Using soft starters or single-phase variable speed drivers can properly solve these two problems. However, these solutions are expensive. In this paper we discuss the new topology supply for SPIM using Triacs, called Double Dimmer Supply Method, which focuses on the angle control between the main and auxiliary winding voltages.All the results are simulated in Matlab/Simulink®.