Temat: BUCK - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Large-signal input characteristics of selected DC–DC switching converters, Part II. Discontinuous conduction mode
Autorzy:: Janke, Włodzimierz
Bączek, Maciej
Kraśniewski, Jarosław
Walczak, Marcin
Powiązania:: https://bibliotekanauki.pl/articles/949887.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: boost
buck
DC–DC converters
DCM
flyback
input characteristics
Opis:: Large-signal input characteristics of three DC–DC converter types: buck, boost and flyback working in the discontinuous conduction mode (DCM), obtained by precise large signal PSpice simulations, calculations based on averaged models and measurements are presented. The parasitic resistances of the converter components are included in the simulations. The specific features of the input characteristics in the DCM and the differences between the continuous conduction mode (CCM) and DCM are discussed.
Źródło:: Archives of Electrical Engineering; 2020, 69, 4; 801-813
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

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: 3.

Tytuł:: Impact of inductor current ringing in DCM on output voltage of DC-DC buck power converters
Autorzy:: Walczak, M.
Powiązania:: https://bibliotekanauki.pl/articles/141175.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: inductor current ringing
DCM
BUCK converter
parasitic capacitance
electromagnetic compatibility in DC-DC converters
Opis:: Ringing of an inductor current occurs in a DC-DC BUCK converter working in DCM when current falls to zero. The oscillations are the source of interferences and can have a significant influence on output voltage. This paper discusses the influence of the inductor current ringing on output voltage. It is proved through examples that the oscillations can change actual value of duty a cycle in a way that makes the output voltage difficult to predict.
Źródło:: Archives of Electrical Engineering; 2017, 66, 2; 313-323
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
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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