Calculation of Triggering Angle of Thyristor Rectifiers with Evolutionary Algorithms

Fahri VATANSEVER, Nedim Aktan YALÇIN, Yiğit Çağatay KUYU
4.546 1.473


Rectifier circuits have important role in electrical energy systems. Especially in thyristor rectifiers which have capability of generating multiple voltage level, determining/calculating the optimal trigger angle and applying trigger signal at this angles are among the main process. In this study, desired level of average output voltage according to trigger angles is obtained both classically (mathematically) solving of equations and using evolutionary algorithms which are genetic algorithms and differential evolutions. In this way, a software can be used in educational purposes which can calculate optimal trigger angles using both mathematically and heuristically, show results and many properties/parameters of circuit graphically and numerically is developed. Analysis/simulations performed with the designed software indicates that evolutionary algorithms can be used in this field effectively and efficiently.


Thyristor, rectifier, genetic algorithm, differential evolution algorithm.

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