Wszystkie pola: BUCK converter - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Comparision of Buck-Converter parameters quality depending on coil selection
Autorzy:: Pragłowska-Ryłko, N.
Powiązania:: https://bibliotekanauki.pl/articles/105698.pdf
Data publikacji:: 2015
Wydawca:: Centrum Badań i Innowacji Pro-Akademia
Tematy:: Buck-Converter
step-down converter
DC-DC power converter
overvoltage
coil selection
przetwornica Buck
step-down konwerter
przekształtniki DC/DC
przepięcie
Opis:: Buck-Converters belong to DC/DC converters group. One of the main problems during the design stage of DC/DC converter is the proper component selection. The aim of this article is to describe selection of the optimal inductor for the Buck-Converter, enabling to minimize the device output overvoltage, while getting possibly high device efficiency. In order to verify the quality parameters, author made an efficiency comparison of the buck converter, depending on used inductor. Conclusions from this paper allow for optimal selection of coils for the Buck-Converter depending on given criteria.
Źródło:: Acta Innovations; 2015, 17; 22-29
2300-5599
Pojawia się w:: Acta Innovations
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Characteristic frequencies in averaged description of step-down (BUCK) DC-DC power converter
Autorzy:: Janke, W.
Powiązania:: https://bibliotekanauki.pl/articles/140412.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: switch mode DC-DC converter
step-down converter
BUCK power converter
small-signal transmittances
sharacteristic frequencies
Opis:: In the description of small-signal transmittances of switch-mode power converters several characteristic frequencies are usually used, corresponding to poles and zeros of transmittances. The knowledge of these frequencies is important in the design of control circuits for converters and usually are assumed to be constant for a given power stage of a converter. The aim of the paper is to evaluate the influence of converter primary parameters and load conductance on characteristic frequencies. Analytical derivations and numerical calculations are performed for an ideal and non-ideal BUCK converter working in continuous or discontinuous conduction mode.
Źródło:: Archives of Electrical Engineering; 2016, 65, 4; 703-717
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Comparison of transient states in step-down power converter (BUCK) in continuous and discontinuous conduction mode
Autorzy:: Janke, W.
Walczak, M.
Powiązania:: https://bibliotekanauki.pl/articles/200450.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: step-down converter
BUCK
transient states
CCM
DCM
step-down konwerter
stany przejściowe
Opis:: The object of this paper is a step-down (BUCK) power converter working in the continuous conduction mode (CCM) or discontinuous conduction mode (DCM). Two types of transient states in a converter have been analyzed and observed experimentally: slow transients, described by averaged models of a converter and fast transients, in the course of a single switching period. The averaged models of converter working in CCM, presented in various sources are similar, with some differences concerning only the description of parasitic effects. The averaged models for DCM depend on the adopted modeling method. Models obtained by the switch averaging approach are second-order models (containing two reactive elements in equivalent circuit representation). Models obtained by the separation of variables approach are first-order models. The experimental results given in this paper show the first-order type of transients. Another group of experiments concern fast transients in the course of a single switching period. The oscillations of inductor voltage in the part of a switching period are observed for DCM.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 4; 773-778
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Small-signal transmittances of DC-DC step-down PWM converter in various operation modes
Autorzy:: Janke, W.
Powiązania:: https://bibliotekanauki.pl/articles/141483.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: step-down converter
BUCK
CCM
DCM
averaged model
small-signal
transmittance
switch-averaging
separation of variables
Opis:: Small-signal transmittances: input-to-output and control-to-output of BUCK converter power stage working in CCM or DCM mode are discussed. Ideal converter case and converter with parasitic resistances are considered separately. Derivations of small-signal transmittances, based on different approaches to finding the converter averaged models, are presented and the results are compared. Apart from theoretical considerations, some results of numerical calculations are presented.
Źródło:: Archives of Electrical Engineering; 2015, 64, 3; 505-529
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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