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Wyszukujesz frazę "High Power converters" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    A family of high-power multilevel switched capacitor-based resonant DC-DC converters – operational parameters and novel concepts of topologies
    Autorzy:
    Stala, R.
    Piróg, S.
    Penczek, A.
    Kawa, A.
    Waradzyn, Z.
    Mondzik, A.
    Skała, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/953065.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC-DC converter
    high power converters
    resonant converter
    high voltage gain
    zero current switching
    przetwornica DC/DC
    konwerter
    moc
    wysokie napięcie
    Opis:
    This paper presents the concept of topologies and investigation results of switched-capacitor voltage multipliers designed for application in high power systems. The analyzed family of multilevel converters includes established topologies as well as novel concepts. The application of thyristors as well as the invention of novel concepts of multiplier topologies and appropriate control make it possible to achieve high efficiency, high voltage gain, reliable and simple DC-DC converters for high power systems. Based on analytical models of the SCVMs, the paper presents a discussion of the selection of components and the efficiency of the converters as a function of converted power as well as the voltage range on the input and the output side. The results are supported by computer simulations and demonstrative experimental tests.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 5; 639-651
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Capabilities selected rules, recommendations and problems for the design of power electronics equipment installed on ships
    Autorzy:
    Muc, A.
    Mysiak, P.
    Kasprowicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/27315856.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Tematy:
    power electronics
    electric drive
    engine room
    high power converters
    electricity conditioning
    energoelektronika
    napęd elektryczny
    maszynownia
    przetwornice dużej mocy
    energia elektryczna
    kondycjonowanie
    Opis:
    The paper presents an analysis of the state and possibilities of using power electronics and electric drives on ships, and in particular, in ship engine room. Problems related to the operation of power electronics in the soft network are presented. The issues related to the design of multi-pulse high power rectifiers are discussed, which is one of the most popular power electronics devices used on vessels. Then a simulation study of selected rectifier circuits was carried out. The purpose of this study was to show the effect of selecting a power electronics design on the waveforms of the voltages and currents in a soft network on the rectifier example. Also discussed are main electromagnetic device problems and issues related to regulations and recommendations for their design and operation. Proper selection of the type of the power supply design and observance of the rules and regulations ensures the efficiency of the equipment and the quality of the energy being processed and reduces their negative impact on the remaining equipment and network.
    Źródło:
    New Trends in Production Engineering; 2018, 1, 1; 711-720
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Review and comparison of high efficiency high power boost DC/DC converters for photovoltaic applications
    Autorzy:
    Dawidziuk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/200077.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    boost DC/DC converters
    high efficiency
    high power
    photovoltaic systems
    renewable energy
    Opis:
    Recent environmental issues have accelerated the use of more efficient and energy saving technologies in renewable energy systems. High power high efficiency boost DC/DC converters for the use in photovoltaic, fuel cell systems are discussed in this paper from the viewpoint of power losses and efficiency. State of the art converters with switching frequency within the range of 25 kHz with IGBTs to 100 kHz with power MOSFETs and the highest efficiency close to 98%, depending on the load conditions, is considered. A comparison and discussion of the highest efficiency high power DC/DC boost converters is also presented in this paper.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2011, 59, 4; 499-506
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Review of solutions used in high speed induction motor drives operating in household appliances
    Autorzy:
    Sobczyński, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193147.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    high speed induction motor drives
    household appliance drives
    power electronic converters
    Opis:
    The paper presents the high-speed induction motor drive as a alternative for household appliances. Short comparison was made between standard and high-speed motors. The solutions that use three-phase induction motors were given in consideration with different types of rotors: solid or squirrel cage. The assumed power of drive was up to 1 kW. As the power source, single-phase voltage source has been adopted, which was indirectly converted to a three-phase output voltages with the fundamental frequency up to 667 Hz.
    Źródło:
    Power Electronics and Drives; 2016, 1, 36/1; 27-39
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Design, Analysis and Comparison of Si- and GaN-Based DC-DC Wide-Input-Voltage-Range Buck-Boost Converters
    Autorzy:
    Koszel, Mikołaj
    Grzejszczak, Piotr
    Nowatkiewicz, Bartosz
    Wolski, Kornel
    Powiązania:
    https://bibliotekanauki.pl/articles/1844528.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    buck-boost
    synchronous dc-dc converters
    GaN
    high efficiency
    ultracapacitor
    power losses
    SEPIC
    Ćuk
    Opis:
    The purpose of the article is a comparison between DC/DC topologies with a wide input voltage range. The research also explains how the implementation of GaN E-HEMT transistors influences the overall efficiency of the converter. The article presents a process of selection of the most efficient topology for stabilization of the battery storage voltage (9 V – 36 V) at the level of 24 V, which enables the usage of ultracapacitor energy storage in a wide range of applications, e.g., in automated electric vehicles. In order to choose the most suitable topology, simulation and laboratory research were conducted. The two most promising topologies were selected for verification in the experimental model. Each of the converters was constructed in two versions: with Si and with GaN E-HEMT transistors. The paper presents experimental research results that consist of precise power loss measurements and thermal analysis. The performance with an increased switching frequency of converters was also examined.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 3; 337-343
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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