2020 | vol. 68 | nr. 2 | art. 2

Minimization of Switching Losses of Boost Converters

GATTAL Azzeddine, SOUFI Youcef, LACHOURI Abdrezak, MAAMRI Mahmoud
Abstract
This paper deals with the operation and analysis of a DC-DC Boost converter with the aid of Or CAD-PSpice environment in order to improve its operation. The goal is to minimize the switching losses, the weight and volume given by the passive elements, such as: filters and heat sinks. The sizing of these elements and the switching losses are proportional to the switching frequency of the semiconductors. To overcome the above difficulties, the association of a switching assistance circuit 'SAC' within the conventional Boost converter is designed. The proposed technique is simple, flexible, accurate, and efficient and the performance of the proposed approach is evaluated by comparing it with the conventional one (without 'SAC' circuit). The obtained simulation results show the effectiveness of the proposed technique in terms of volume minimization and switching losses.
Keywords: DC/DC boost converter, switching loss, 'SAC' circuit, filters, metal–oxide–semiconductor field-effect transistor (MOSFET)
To cite this article: GattaL A, Soufi Y, Lachouri A, Maamri M, “Minimization of the switching losses of Boost converters”, in Electrotehnica, Electronica, Automatica (EEA), 2020, vol. 68, no. 2, pp. 14-22, ISSN 1582-5175.

 

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