Temat: small signal model - Katalog OPAC zbiorów

Skocz do pozycji: 1.

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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Skocz do pozycji: 2.

Tytuł:: Mathematical and simulation modeling of dual active bridge
Autorzy:: Barlik, Roman
Grzejszczak, Piotr
Koszel, Mikołaj
Powiązania:: https://bibliotekanauki.pl/articles/2173709.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: dual active bridge
small-signal analysis
averaged model
transfer function
parasitics
PI controller
podwójny mostek aktywny
analiza małosygnałowa
model uśredniony
funkcja przenoszenia
pasożyty
regulator PI
Opis:: The paper is a structured, in-depth analysis of dual active bridge modeling. In the research new, profound dual active bridge converter (DAB) circuit model is presented. Contrary to already described idealized models, all critical elements including numerous parasitic components were described. The novelty is the consideration of a threshold voltage of diodes and transistors in the converter equations. Furthermore, a lossy model of leakage inductance in an AC circuit is also included. Based on the circuit equations, a small-signal dual active bridge converter model is described. That led to developing control of the input and output transfer function of the dual active bridge converter model. The comparison of the idealized model, circuit simulation (PLECS), and an experimental model was conducted methodically and confirmed the high compatibility of the introduced mathematical model with the experimental one. Proposed transfer functions can be used when designing control of systems containing multiple converters accelerating the design process, and accurately reproducing the existing systems, which was also reported in the paper.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 5; art. no. e142653
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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