The comparative analysis of boost DC/DC converter used in hybrid electric vehicles
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Power electronics converters are the periodically changing systems because of their switching structures. For this reason, the dynamic attitudes of the converters show nonlinear characteristics. The analysis and design of such types of systems are quite difficult. In this case, modelling and analogy become one of the most important elements of the analysis and design processes of power electronics circuits. The generalized state space averaging method (GSSA) converts the nonlinear equations of the system into linear state space system. This method is based upon Fourier conversion. Thus, the system becomes linearized. Thanks to this method, the relation between the state equations of the system can be explained with linear equations. In this study, the analogy results obtained through using GSSA method for boost DC/DC converter used in hybrid electric vehicles (HEV) have been compared with the real time analogies implemented with PSIM program and the results taken from the well known state space averaging (SSA) method, and the validity of the suggested method has been proved. © Sila Science.