Dynamic Model of a Single–phase Induction Motor Using an Electronic Triac-starter

Qazem M. Jaber


In this paper a theoretical dynamic model of a single-phase induction motor employing an innovative electronic triac-starter is derived with a stationary d-q reference frame, using Matlab/simulink software package program. The obtained theoretical results were experimentally verified using a specially designed testing station. This new starting method is used to replace the conventional capacitor starter in series with the auxiliary winding of a single-phase induction motor, employing the optimal firing angle which facilitates starting-up without capacitor. It was concluded that the theoretical and experimental results are in full agreement, and confirmed that this new starting scheme can substitute the conventional capacitor without affecting the performance of the studied single-phase induction motor.


Single-phase induction motor, Electronic circuit, Dynamic model, Triac-starter.

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