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In the paper boost converter characteristics at the steady state obtained with the use of MOSFET models of various complexity and accuracy are compared. The analyses were performed by SPICE. The dependencies of the converter output voltage, the watt-hour efficiency and the MOSFET inner temperature on the frequency and the pulse-duty factor of the MOSFET control signal as well as the load resistance...
In the paper a new method of the fast estimation of characteristics of a buck converter in the steady state with selfheating taken into account is proposed. The theoretical considerations are illustrated by simulation results of a buck converter.
This paper deals with the problem of the analysis of a buck converter at the steady-state with the use of the method of average models. The usefulness of this method is examined by comparing the buck converter characteristics at the steady-state obtained both with the transient analysis with physical models of semiconductor devices and the examined method as well. The accuracy of the method of the...
In this paper the problem of calculating the characteristics of the flyback converter is considered. The analytical dependences describing the output voltage and the watt-hour efficiency of this converter with conduction losses in semiconductor devices and a transformer, are proposed. The theoretical considerations are illustrated by calculations results.
In this paper the characteristics of the boost converter operating at the steady state obtained by SPICE transient analysis and with the help of the method of the average models are compared and discussed. From the presented results of calculations, the boost operating conditions, for which the average models are sufficient and for which the transient analysis have to be performed, was defined.
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