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<p>Los modelos matem&aacute;ticos de los generadores sincr&oacute;nicos constituyen sistemas de 7mo. y 10mo. orden. Debido<br />a su complejidad resulta de gran utilidad pr&aacute;ctica y educativa el poder disponer de un simulador que permita el<br />an&aacute;lisis de su comportamiento din&aacute;mico cuando son sometidos a perturbaciones tales como: cortocircuito,<br />rechazo de carga, p&eacute;rdida de excitaci&oacute;n, etc., para poder, entre otras cosas, evaluar su estabilidad en el sistema<br />el&eacute;ctrico de potencia, sintetizar los algoritmos de control de los reguladores autom&aacute;ticos de tensi&oacute;n, protegerlo<br />adecuadamente o detectar fallas incipientes. En este trabajo se explica el sistema modular para la simulaci&oacute;n de<br />generadores sincr&oacute;nicos, denominado GESINC, elaborado por los autores, el cual permite, adem&aacute;s, la consideraci&oacute;n<br />de las caracter&iacute;sticas del rotor de los diferentes tipos de modelos del generador as&iacute; como la diferencia entre las<br />inductancias mutuas de estator y rotor.</p><p>&nbsp;</p><p>&nbsp;</p><p>The mathematical models of the synchronous generators constitute systems of 7mo. and 10mo. order. Due to<br />their complexity, it is of great practical and educational importance having a simulator of synchronous generators<br />that allows the analysis of their dynamic behavior, when they are submitted to any disturbance such as: sudden<br />short circuit, load rejection, loss of excitation, etc. in order to evaluate, among other things, their stability in the<br />power electric system, to synthesise the control algorithms for automatic voltage regulators, to protect they<br />adequately or to detect incipient faults. In this work the modular system for the simulation of synchronous<br />generators, denominated GESINC, is explaine. It was elaborated by the authors and also allows the consideration<br />of the characteristics of the rotor of the different types of models of the generator as well as the difference<br />between the mutual inductance of stator and rotor.</p>