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Статті в журналах з теми "Z-SOURCE RESONANT CONVERTER"

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Автор: Grafiati

Опубліковано: 11 вересня 2023

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1

Adamowicz, M. "Non‐isolated resonant quasi‐Z‐source network DC–DC converter." Electronics Letters 55, no. 15 (July 2019): 855–57. http://dx.doi.org/10.1049/el.2019.1311.

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2

Gonzalez-Santini, Nomar S., Hulong Zeng, Yaodong Yu, and Fang Zheng Peng. "Z-Source Resonant Converter With Power Factor Correction for Wireless Power Transfer Applications." IEEE Transactions on Power Electronics 31, no. 11 (November 2016): 7691–700. http://dx.doi.org/10.1109/tpel.2016.2560174.

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3

Zakis, Janis, Ivars Rankis, and Liisa Liivik. "Loss Reduction Method for the Isolated qZS-based DC/DC Converter." Electrical, Control and Communication Engineering 4, no. 1 (December 1, 2013): 13–18. http://dx.doi.org/10.2478/ecce-2013-0016.

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Анотація:

Abstract This paper presents an isolated quasi-Z-source inverter-based (qZSI) resonant DC/DC converter. The explanation of selection of the proposed topology is justified. Both the normal and the boost modes are discussed. Theoretical operation waveforms as well as basic expressions for the calculation of currents and voltages are proposed. A 1500 W laboratory prototype was built and experimentally verified at two operation points: that of light-load (300 W) and full-load (1500 W). All the experiments were also carried with resonant circuit and without it. The experimental results as well as performance of proposed qZSI based resonant DC/DC converter laboratory setup are presented and analyzed. Experimental and calculated characteristics showing the dependence of the load voltage and supply current on the load resistance in both modes were presented. The dynamic losses in the transistors were evaluated for the cases with the resonant circuit and without it. The main conclusions based on this study are summarized and the future tasks for development of proposed converter were defined.

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4

Zeng, Hulong, and Fang Z. Peng. "SiC-Based Z-Source Resonant Converter With Constant Frequency and Load Regulation for EV Wireless Charger." IEEE Transactions on Power Electronics 32, no. 11 (November 2017): 8813–22. http://dx.doi.org/10.1109/tpel.2016.2642050.

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5

Chakraborty, Sajib, Hai-Nam Vu, Mohammed Mahedi Hasan, Dai-Duong Tran, Mohamed El Baghdadi, and Omar Hegazy. "DC-DC Converter Topologies for Electric Vehicles, Plug-in Hybrid Electric Vehicles and Fast Charging Stations: State of the Art and Future Trends." Energies 12, no. 8 (April 25, 2019): 1569. http://dx.doi.org/10.3390/en12081569.

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Анотація:

This article reviews the design and evaluation of different DC-DC converter topologies for Battery Electric Vehicles (BEVs) and Plug-in Hybrid Electric Vehicles (PHEVs). The design and evaluation of these converter topologies are presented, analyzed and compared in terms of output power, component count, switching frequency, electromagnetic interference (EMI), losses, effectiveness, reliability and cost. This paper also evaluates the architecture, merits and demerits of converter topologies (AC-DC and DC-DC) for Fast Charging Stations (FCHARs). On the basis of this analysis, it has found that the Multidevice Interleaved DC-DC Bidirectional Converter (MDIBC) is the most suitable topology for high-power BEVs and PHEVs (> 10kW), thanks to its low input current ripples, low output voltage ripples, low electromagnetic interference, bidirectionality, high efficiency and high reliability. In contrast, for low-power electric vehicles (<10 kW), it is tough to recommend a single candidate that is the best in all possible aspects. However, the Sinusoidal Amplitude Converter, the Z-Source DC-DC converter and the boost DC-DC converter with resonant circuit are more suitable for low-power BEVs and PHEVs because of their soft switching, noise-free operation, low switching loss and high efficiency. Finally, this paper explores the opportunity of using wide band gap semiconductors (WBGSs) in DC-DC converters for BEVs, PHEVs and converters for FCHARs. Specifically, the future roadmap of research for WBGSs, modeling of emerging topologies and design techniques of the control system for BEV and PHEV powertrains are also presented in detail, which will certainly help researchers and solution engineers of automotive industries to select the suitable converter topology to achieve the growth of projected power density.

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6

Wable, Miss Tejashri. "High-Performance Quasi-Z-Source Series Resonant DC-DC Converter for Photovoltaic Module Level Power Electronics Applications." International Journal for Research in Applied Science and Engineering Technology 7, no. 5 (May 31, 2019): 228–32. http://dx.doi.org/10.22214/ijraset.2019.5035.

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7

Vinnikov, Dmitri, Andrii Chub, Elizaveta Liivik, and Indrek Roasto. "High-Performance Quasi-Z-Source Series Resonant DC–DC Converter for Photovoltaic Module-Level Power Electronics Applications." IEEE Transactions on Power Electronics 32, no. 5 (May 2017): 3634–50. http://dx.doi.org/10.1109/tpel.2016.2591726.

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8

Zhou, Genjiao, Shoushi Wang, and Jinhong Huang. "Computing tensor Z-eigenpairs via an alternating direction method." PeerJ Computer Science 9 (February 14, 2023): e1242. http://dx.doi.org/10.7717/peerj-cs.1242.

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Анотація:

Tensor eigenproblems have wide applications in blind source separation, magnetic resonance imaging, and molecular conformation. In this study, we explore an alternating direction method for computing the largest or smallest Z-eigenvalue and corresponding eigenvector of an even-order symmetric tensor. The method decomposes a tensor Z-eigenproblem into a series of matrix eigenproblems that can be readily solved using off-the-shelf matrix eigenvalue algorithms. Our numerical results show that, in most cases, the proposed method converges over two times faster and could determine extreme Z-eigenvalues with 20–50% higher probability than a classical power method-based approach.

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9

Supriya J and Rajashekar J S. "A comprehensive review of various isolated DC-DC converters topologies associated with photovoltaic applications." Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering) 15 (July 7, 2022). http://dx.doi.org/10.2174/2352096515666220707115544.

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Abstract: Environmentally friendly renewable energy sources showed substantial development over the most recent couple of years. Compared with other RES, extracting power from solar has become the most beneficial and profitable source because of its environmental friendly nature. In the process of extraction of power, DC-DC converters has given conspicuous interest due to their broad use in various applications. Although a lot of advancements, research work, and continuous tuning of circuits of photovoltaic systems, still remarkable efficiency and stability has not been achieved yet. In this paper, exhaustive research and development of DC-DC converters are identified and studied. It surveys the difficulties associated with implementing new converter topologies in photovoltaic applications. Presented new topologies that have simpler control, less number of components, economical, and suitable for solar applications. Various types of isolated converter are explained such as different bidirectional converters, high step- up converters, zero current switching, high frequency isolated converter, isolated converter with discontinuous input, quasi-Z-source converter, multiport converter, high efficient converter, single-switch converter and single-switch resonant converter. Different types of structure characteristics and operation of the converters are presented. Based on the distinct features, a comparison of the converters has been carried out. From the review, a single converter topology does not fulfill all requirements in the industry. Future scopes of the research trend are suggested. The current survey is to update the research carried out during the time gap.

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10

Jithin Kumar I J and Athira Rajan. "Design and Implementation of Z Source Resonant Converter for EV Wire Less Charging Application." International Journal of Engineering Research and V9, no. 04 (April 12, 2020). http://dx.doi.org/10.17577/ijertv9is040080.

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11

"Simulation and Implementation of Single Phase Quasi Z-Source Series Resonance DC DC Converter for Photovoltaic Application." Regular 9, no. 10 (August 10, 2020): 294–98. http://dx.doi.org/10.35940/ijitee.j7498.0891020.

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Анотація:

The paper presents quasi-Z source series resonant dc–dc converter with high performance for PV applications. Their multimode operation property features wide input voltage and load regulation range. Multimode operation achieved by pulse width modulation and phase shift modulation which gives boost and buck operating modes. Paper includes experimental setup which ensures 13volts ripple free output voltage.

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12

Hunachal, Santoshkumar M., and G. Arunkumar. "Design and Analysis of a Single-Stage Simultaneous Charging Converter Using a SiC-Based Quasi-Z-Source Resonant Converter for a Wide Output Voltage Range." IEEE Access, 2023, 1. http://dx.doi.org/10.1109/access.2023.3307713.

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13

Abdel-Rahim, Omar, Andrii Chub, Hamed Mashinchi Maheri, Andrei Blinov, and Dmitri Vinnikov. "High-Performance Buck-Boost Partial Power Quasi-Z-Source Series Resonance Converter." IEEE Access, 2022, 1. http://dx.doi.org/10.1109/access.2022.3225751.

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14

Abdoune, Fateh, Issam Abadlia, Antar Beddar, Linda Hassaine, and Mohamed Reda Bengourina. "Analysis and Design of Voltage-controller Based on Single-state Feedback Active Damping for Grid-forming Converters." Periodica Polytechnica Electrical Engineering and Computer Science, August 28, 2023. http://dx.doi.org/10.3311/ppee.21420.

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Анотація:

This paper investigates the analysis and design of digital single-loop voltage-controller for grid-forming voltage source converters with LC-filters. Inspired by the structure diagram of the passive damping method, the virtual resistance concept based on only capacitor voltage feedback is used to realize active damping without the need of any current sensor, reducing thus the system costs. It is revealed from the controller closed-loop analysis that the insertion of an integrator in series with a proportional and resonant controller can significantly improve stability margin and dynamic performance of the system, then only the proportional controller need to be determined for system stability and the resonant controller is merely used for zero steady-state tracking error, which facilitates the controller parameter tuning. A systematic design based on the root contours in the discrete z-domain is proposed to optimize the parameters of the controller. The largest distance between the poles of the closed-loop system and the unit circle is achieved, which indicates the fastest dynamic performance under desired stability margins. Meanwhile, a simple differentiator constructed by backward-Euler plus lead-compensator is used to replace the noise-sensitive derivative term. In order to evaluate the proposed control approach performance, the system is tested in laboratory setup under different load conditions. The obtained results verify the effectiveness of the proposed design method and validate the analysis.

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15

Tavana, P., N. Bukharskii, M. Gyrdymov, U. Spillmann, Ş. Zähter, J. Cikhardt, N. G. Borisenko, et al. "Ultra-high efficiency bremsstrahlung production in the interaction of direct laser-accelerated electrons with high-Z material." Frontiers in Physics 11 (May 9, 2023). http://dx.doi.org/10.3389/fphy.2023.1178967.

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Анотація:

High performance of laser-driven sources of radiation is in focus of research aimed at the study of high energy density matter, pair production and neutron generation using kJ PW-laser systems. In this work, we present a highly efficient approach to generate an ultra-high flux, high-energy bremsstrahlung in the interaction of direct laser-accelerated (DLA) electrons with a several-millimeters-thick high-Z converter. A directed beam of direct laser-accelerated electrons with energies up to 100 MeV was produced in the interaction of a sub-ps laser pulse of moderate relativistic intensity with long-scale plasma of near-critical density obtained by irradiation of low-density polymer foam with an ns laser pulse. In the experiment, tantalum isotopes generated via photonuclear reactions with threshold energies above 40 MeV were observed. The Geant4 Monte Carlo code, with the measured electron energy and angular distribution as input parameters, was used to characterize the bremsstrahlung spectrum responsible for the registered yields of isotopes from 180Ta to 175Ta. It is shown that when the direct laser-accelerated electrons interact with a tantalum converter, the directed bremsstrahlung with an average photon energy of 18 MeV and ∼2⋅1011 photons per laser shot in the energy range of giant dipole resonance (GDR) and beyond (≥7.5 MeV) is produced. This results in an ultra-high photon flux of ∼6 × 1022 sr−1·s−1 and a record conversion efficiency of 2% of the focused laser energy into high-energy bremsstrahlung.

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