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In recent years there has been paid much attention to the development of computer aided methods in analysis and design of power electronic circuits because the recent advances of switching power semiconductor devices. In this paper we propose a new and efficient computer aided algorithm for computing parameter sensitivities of turn-on and turn-off instants of power semiconductors for any given power...
The basic circuit of a push-pull parallel resonant converter with an input inductor is analyzed for the continuous conduction mode and the discontinuous conduction mode concerning the output-inductor current. It is found that the output voltage of this resonant converter is controlled by varying the switching frequency in the discontinuous conduction mode, while another power controller is required...
In this article an analytical method for calculating the conducted interference voltages of the three basic ac-dc converters buck, boost and buck-boost with sinusoidal input current and unity power factor is presented. The analysis includes a simulation of the quasi-peak measurement according to CISPR (Comité International Spécial des Perturbations Radioélectriques). The influence of the different...
The generation mechanism of backward noise is analyzed for a forward dc-to-dc converter. Here the backward noise is defined as the switching noise which flows back to input terminals. Its generation process consists of several states and there are two modes depending on the characteristics of the switching elements used in the converter. The analysis is performed by deriving the high-frequency equivalent...
A modified version of the series resonant DC/DC converter which provides low di/dt and increased turn-off time to its switches is analyzed. A simple dynamic simulation which uses little computer time and a steady-state solution are found. Experimental verification is provided.
In this paper an approach to modelling double converters is presented. With these converters two fully regulated outputs can be obtained, controlling the duty ratio and the frequency of the power switch. The modelling method is based on the well-known averaged methods, adapted to consider the influence of the frequency variations in both outputs. As a result, the canonical circuits of the buck, boost,...
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