Transient Analysis of Three-Phase Self Excited Induction Generator Using New Approach
2012
In this pape r, Matlab/Simulink base d ne w saturation mode l is propose d to investigate the transie nt pe rformance of a three -phase induction machine . The mode l as propose d is use d to pre dict the transie nt pe rformance of three -phase induction ge ne rator unde r diffe rent ope rating conditions. Closeness of simulate d results with e xpe rime ntal results on a test machine proves the effective ness of the propose d mode l. immense interest. Therefore transient analysis of a machine is must for design consideration and some researchers tried to investigate the dynamic performance of such generators (3-8). (9, 10) used the well tested d-q axis based conventional model to investigate the transient behaviour of three phase induction machine. (11-14) describes the basic concept of transient modeling of the machine. Matlab / Simulink is found to be very useful tool for modeling electrical machine and it may be used to predict the dynamic behavior of the machines. In this paper Matlab / Simulink based new saturation model is proposed to study the dynamic behaviour of three phases self excited induction generator. Effects of 'capacitor switching', 'load variation', 'input variation' and 'variation in moment of inertia' on the transient performance of self excited induction generator have been taken in the present work.
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