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Wyszukujesz frazę "switched capacitor converter" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Boosting resonant switched-capacitor voltage tripler
    Autorzy:
    Chojowski, Maciej
    Sosnowski, Robert
    Baszyński, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/24202737.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    boost topology
    DC–DC converters
    switched capacitor converter
    Opis:
    This elaboration presents the concept of a unidirectional DC–DC switchedcapacitor converter operating as a voltage tripler. The system consists of two resonant cells with switched capacitors and chokes. This proposed converter topology achieves low voltages on semiconductor switches (diodes and transistors) compared to the classic SC series-parallel converter or the boost topology. The output voltage on the capacitors is reduced in the proposed converter because it is divided into two series-connected capacitors with asymmetric distribution. The presented results describe the analytical description of the system operation and the analytical equation for semiconductor currents. A simulation and experimental results have been performed. The system efficiency and three voltage gain values were measured in the experimental setup. The efficiency measured was also compared with the analytical determination curve for loss analysis and further converter optimization.
    Źródło:
    Archives of Electrical Engineering; 2023, 72, 2; 373--389
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance study of a new high instantaneous power impulse converter with a switched capacitor unit
    Autorzy:
    Zając, L.
    Malinowski, M.
    Styński, S.
    Jasiński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193281.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    high instantaneous power impulse converter
    impulse converter
    switched capacitor converter
    Opis:
    A new high instantaneous power impulse converter (HIPIC) with a switched capacitor unit has been presented. HIPIC generates very short impulses (hundreds of microseconds) of instantaneous power in megawatt range while the average power is much lower (tens of kilowatts). The presented topology is composed of step-down converters, an H-bridge converter and a switched capacitor, adjusted with a new current control. It allows one to achieve the output current impulses with very short rising and falling times and strict peak current control with low ripples.
    Źródło:
    Power Electronics and Drives; 2017, 2, 37/1; 5-15
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    DC–DC boost converter with high voltage gain and a low number of switches in multisection switched capacitor topology
    Autorzy:
    Stala, R.
    Pirog, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/141210.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC–DC converter
    boost converter
    switched-capacitor
    high voltage pulsed power
    Opis:
    This paper presents a concept and the results of an investigation of a DC–DC boost converter with high voltage gain and a reduced number of switches. The novel concept assumes that the converter operates in a topology composed of series connection switched- capacitor-based multiplier (SCVM) sections. Furthermore, the structure of the sections has significant impact on parameters of the converter which is discussed in this paper. The paper demonstrates the basic benefit such a multisection SCVM idea in the converter, which is the significant reduction in the number of switches and diodes for high voltage gain in comparison to an SCVM converter. Aside from the number of switches and diodes, such parameters as efficiency and volume of passive components in the multisection converter are analyzed in this paper. In figures, the analysis is demonstrated using the example of 100 kW thyristor-based converters. All the characteristics of the converter are compared between various configurations of switching cells in the particular sections, thus the paper can be useful for a design approach for a high voltage gain multicell converter.
    Źródło:
    Archives of Electrical Engineering; 2018, 67, 3; 617--627
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A multilevel switched capacitor DC-DC converter. An analysis of resonant operation conditions
    Autorzy:
    Kawa, A. H.
    Stala, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193251.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    multilevel
    DC-DC
    switched capacitor
    resonant
    converter
    boost
    step-up
    Opis:
    This paper presents the research results of a multilevel switched capacitor DC-DC converter (MLSCC). The converter, for power electronic applications, can operate in ZCS mode by utilizing resonant circuits for recharging the switched capacitors. The main focus of this article is an in-depth original analysis of the waveforms and the converter voltage ratio. The concept of the converter is verified by simulation results of the circuit in MATLAB/Simulink Sim Power Systems. The formulas given in the mathematical analysis are evaluated for example parameters of the components with the use of numerical approach in MATLAB software. Plot sets are presented in order to judge the influence of the parameters on converter performance. All non-expected relations are explained based on mathematical analysis. The possibilities of the design optimization are identified and presented based on the anticipated results. The present analysis is important for the converter design process and can be used for numerical multi-object optimization to further improve the converter design.
    Źródło:
    Power Electronics and Drives; 2016, 1, 36/2; 35-53
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A cost-effective resonant switched-capacitor DC-DC boost converter – experimental results and feasibility model
    Autorzy:
    Waradzyn, Z.
    Stala, R.
    Skała, A.
    Mondzik, A.
    Penczek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193543.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    DC-DC converter
    switched-capacitor
    voltage multiplier
    charge pump
    ZCS
    Opis:
    This paper presents the results of experimental research of a resonant switched capacitor voltage multiplier in a cost-effective topology (CESCVM) with a limited number of active switches. In the charging mode of the switched capacitors, the converter utilizes only one active switch and a required number of diodes. Therefore, the cost of the converter is decreased as compared with that of a classical SCVM converter, owing to a lower number of switches and gate driver circuits, as well as a smaller PCB area. Moreover, the CESCVM has simpler control circuits and higher reliability. This paper presents the original experimental results of the operation of the CESCVM converter. A concept of the bootstrap supply of gate drivers of the flying switches is also examined.
    Źródło:
    Power Electronics and Drives; 2018, 3, 38; 75-83
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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