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Journal articles on the topic 'Isolated Unidirectional Converters'

Author: Grafiati

Published: 6 September 2023

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1

Yi, Feilong, and Faqiang Wang. "Review of Voltage-Bucking/Boosting Techniques, Topologies, and Applications." Energies 16, no. 2 (2023): 842. http://dx.doi.org/10.3390/en16020842.

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As non-isolated step-up and step-down DC–DC converters are at present widely used in various fields, this review will summarize and introduce non-isolated step-up and step-down DC–DC converters in various aspects. First of all, the origin and development of power electronics technology and the generation and principle of certain basic non-isolated step-up and step-down DC–DC converters are briefly stated. Subsequently, according to their different characteristics, including whether they are unidirectional or bidirectional, voltage-fed or current-fed, or hard-switching or soft-switching, the re

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2

Tuan, Cao Anh, and Takaharu Takeshita. "Analysis and Output Power Control of Unidirectional Secondary-Resonant Single-Active-Half-Bridge DC-DC Converter." Energies 14, no. 21 (2021): 7432. http://dx.doi.org/10.3390/en14217432.

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Development of high-frequency-isolated DC-DC converters is underway for charging and discharging electric vehicle batteries. As a charger, a Single Active Bridge (SAB) converter, which is composed of a primary full-bridge converter, a high-frequency transformer, and a secondary full-bridge diode rectifier circuit, has been proposed as a unidirectional high frequency isolated DC-DC converter. In this paper, as a simple circuit configuration, a Secondary-Resonant Single-Active-Half-Bridge (SR-SAHB) converter, in which the primary and secondary circuits of the SAB converter are both half-bridge c

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3

Tripathi, Ashish, and Shimi Sudha Letha. "Analysis of Various Topologies and Control Circuit used in Single Phase EV Charger." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (2022): 921–31. http://dx.doi.org/10.22214/ijraset.2022.47112.

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Abstract: In remote electric vehicle charging frameworks utilizing inductive power transfer (IPT), power electronic converters assume a basic part in decreasing size and cost, as well as boosting the proficiency of the whole framework. As of late, analysts have led huge examination studies to work on the exhibition of power transformation frameworks, including power converter topologies and control plans. Incorporated On-Board Battery Chargers (OBC) have been acquainted as ideal arrangement with increase of electric vehicle (EV) market penetration and limit the general expense of EVs. OBCs are

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4

Giral, Roberto, Javier Calvente, Ramon Leyva, Abdelali Aroudi, Goce Arsov, and Luis Martinez-Salamero. "Symmetrical power supply for 42 v automotive applications." Facta universitatis - series: Electronics and Energetics 17, no. 3 (2004): 365–76. http://dx.doi.org/10.2298/fuee0403365g.

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The Positive Channel Two Input Two Output (PCTITO) converter is a third Order MIMO DC-to-DC unidirectional and non-isolated switching converter that is derived from the non-inverting buck-boost converter. Negative and Dual Channel TITO converters are also presented. In steady state one of the PCTITO outputs is positive while the other is negative. Although the outputs could be regulated to provide different absolute values, an interesting application of the new converters is to provide symmetrical outputs (i.e. 15 V) to supply balanced loads. Since the absolute value of the outputs could be gr

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5

Sayed, Sawsan S., and Ahmed M. Massoud. "Review on State-of-the-Art Unidirectional Non-Isolated Power Factor Correction Converters for Short-/Long-Distance Electric Vehicles." IEEE Access 10 (2022): 11308–40. http://dx.doi.org/10.1109/access.2022.3146410.

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6

Xie, Weijin, Wenguang Luo, and Yongxin Qin. "Integrated DC/DC Converter Topology Study for Fuel Cell Hybrid Vehicles with Two Energy Sources." World Electric Vehicle Journal 14, no. 1 (2022): 9. http://dx.doi.org/10.3390/wevj14010009.

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Conventional hybrid vehicles with two energy sources require two separate on-board DC/DC converters to connect the battery and the fuel cell, which have the disadvantages of large size, high cost, high losses and few applicable operating conditions. To address this situation, this paper proposes an optimized on-board integrated DC/DC converter with a non-isolated multi-port scheme that integrates a unidirectional port for the fuel cell and a bidirectional port for the battery and load. This can achieve a combined energy supply and recovery with a single integrated converter, effectively overco

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7

Hamdi, R., A. Hadri Hamida, and O. Bennis. "On modeling and real-time simulation of a robust adaptive controller applied to a multicellular power converter." Electrical Engineering & Electromechanics, no. 6 (November 7, 2022): 48–52. http://dx.doi.org/10.20998/2074-272x.2022.6.08.

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Introduction. This paper describes the simulation and the robustness assessment of a DC-DC power converter designed to interface a dual-battery conversion system. The adopted converter is a Buck unidirectional and non-isolated converter, composed of three cells interconnected in parallel and operating in continuous conduction mode. Purpose. In order to address the growing challenges of high switching frequencies, a more stable, efficient, and fixed-frequency-operating power system is desired. Originality. Conventional sliding mode controller suffers from high-frequency oscillation caused by pr

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8

Tuan, Cao Anh, and Takaharu Takeshita. "Analysis of Unidirectional Secondary Resonant Single Active Bridge DC–DC Converter." Energies 14, no. 19 (2021): 6349. http://dx.doi.org/10.3390/en14196349.

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A compact and highly efficient unidirectional DC–DC converter is required as a battery charger for electrical vehicles, which will rapidly become widespread in the near future. The single active bridge (SAB) converter is proposed as a simple and high-frequency isolated unidirectional converter, which is comprised of an active H-bridge converter in the primary side, an isolated high frequency transformer, and a rectifying secondary diode bridge output circuit. This paper presents a novel, unidirectional, high-frequency isolated DC–DC converter called a Secondary Resonant Single Active Bridge (S

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9

Jou, Hurng-Liahng, Kuen-Der Wu, Jinn-Chang Wu, You-Zu Lin, and Li-Wen Su. "Asymmetric isolated unidirectional multi-level DC-DC power converter." Engineering Science and Technology, an International Journal 22, no. 3 (2019): 894–98. http://dx.doi.org/10.1016/j.jestch.2019.01.017.

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10

Anuradha, C., N. Chellammal, Md Saquib Maqsood, and S. Vijayalakshmi. "Design and Analysis of Non-Isolated Three-Port SEPIC Converter for Integrating Renewable Energy Sources." Energies 12, no. 2 (2019): 221. http://dx.doi.org/10.3390/en12020221.

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An efficient way of synthesizing a three port non-isolated converter from a single-ended primary inductor converter (SEPIC) is proposed in this paper. The primary SEPIC converter is split into a source cell and a load cell. Two such source cells are integrated through direct current (DC) link capacitors with a common load cell to generate a three-port SEPIC converter. The derived converter features single-stage power conversion with reduced structural complexity and bidirectional power flow capability. For bidirectional power flow, it incorporates a battery along with an auxiliary photovoltaic

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11

Pal, Anirban, and Kaushik Basu. "A Unidirectional Single-Stage Three-Phase Soft-Switched Isolated DC–AC Converter." IEEE Transactions on Power Electronics 34, no. 2 (2019): 1142–58. http://dx.doi.org/10.1109/tpel.2018.2833747.

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12

Wu, Yu-En, and Rui-Ru Hong. "Multi-Functional Isolated Three-Port Bidirectional DC/DC Converter for Photovoltaic Systems." Sustainability 14, no. 18 (2022): 11169. http://dx.doi.org/10.3390/su141811169.

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This paper proposes a novel multi-function isolated three-port bidirectional DC–DC converter for a stand-alone photovoltaic (PV) system. The proposed topology was composed of a unidirectional step-up converter and a bidirectional step-up/step-down converter that only required one set of complementary PWM signals to control any operation mode and used multiple operating stages to improve the practicability of the converter. In addition, the proposed topology had the function of inductance energy leakage recovery to improve the conversion efficiency and used synchronous rectification technology

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13

Hojabri, Hossein. "Unidirectional isolated high‐frequency link DC/AC converter for grid integration of DC sources." IET Renewable Power Generation 13, no. 15 (2019): 2880–87. http://dx.doi.org/10.1049/iet-rpg.2019.0284.

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14

Lopez-Santos, Oswaldo, Alejandro Cabeza-Cabeza, Germain Garcia, and Luis Martinez-Salamero. "Sliding Mode Control of the Isolated Bridgeless SEPIC High Power Factor Rectifier Interfacing an AC Source with a LVDC Distribution Bus." Energies 12, no. 18 (2019): 3463. http://dx.doi.org/10.3390/en12183463.

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This paper deals with the analysis and design of a sliding mode-based controller to obtain high power factor (HPF) in the bridgeless isolated version of the single ended primary inductor converter (SEPIC) operating as a single-phase rectifier. In the work reported here, the converter is used as a unidirectional isolated interface between an AC source and a low voltage direct current (LVDC) distribution bus. The sliding-mode control is used to ensure the tracking of a high quality current reference at the input side, which is obtained from a sine waveform generator synchronized with the grid. T

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15

Anuradha, C., N. Chellammal, S. Vijayalakshmi, and R. C. Ilambirai. "Steady State Analysis of Non-Isolated Single-Input Multi-Output SEPIC Converter for Stand-alone Applications." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 1 (2018): 260. http://dx.doi.org/10.11591/ijpeds.v9.i1.pp260-268.

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<p>This paper proposes a non-isolated three port SEPIC converter for stand-alone photovoltaic applications. The proposed topology uses the Single Input Multi Output (SIMO) structure. This topology consists of a single photovoltaic source as input and it is a unidirectional power converter. Mathematical analysis for the proposed system is performed and simulations are carried out using MATLAB/Simulink. The design parameters of capacitors and inductors are calculated from small ripple analysis. The simulation analysis for the proposed open loop topology is verified using a real time hardwa

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16

Sharma, Anurag, and Rajesh Gupta. "Bridgeless single stage AC/DC converter with power factor correction." Bulletin of Electrical Engineering and Informatics 11, no. 5 (2022): 2500–2509. http://dx.doi.org/10.11591/eei.v11i5.3607.

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This research paper proposes a novel bridgeless single-stage isolated converter with power factor correction and load voltage control. The proposed converter reduces the input diode bridge requirement with reduced passive components and provides a unidirectional flow of power to the load. The single-stage design reduces the use of an electrolytic capacitor, which improves reliability and reduces the size of the converter. The proposed control method is based on a single proportional integral (PI) controller to achieve both power factor correction and input current control. The proposed bridgel

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17

Elserougi, Ahmed, Ibrahim Abdelsalam, and Ahmed Massoud. "An isolated‐boost‐converter‐based unidirectional three‐phase off‐board fast charger for electric vehicles." IET Electrical Systems in Transportation 12, no. 1 (2021): 79–88. http://dx.doi.org/10.1049/els2.12039.

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18

Slah, Farhani, Amari Mansour, Aouiti Abdelkarim, and Faouzi Bacha. "Analysis and Design of an LC Parallel-Resonant DC–DC Converter for a Fuel Cell Used in an Electrical Vehicle." Journal of Circuits, Systems and Computers 27, no. 08 (2018): 1850119. http://dx.doi.org/10.1142/s0218126618501190.

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In this paper, the design methodology of a parallel-resonant [Formula: see text] converter for fuel cell applications in the electric vehicle is proposed in order to achieve high efficiency. Although the converter is unidirectional, it is interposed between the fuel cell and the DC link. Additionally, the converter is made up of two full bridges, an [Formula: see text] resonant filter and a planar transformer. The use of a high-frequency transformer enables to minimize the converter size and the weight, to produce a higher voltage in the secondary side from an input voltage (fuel cell) and to

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19

Jha, Rupesh, Mattia Forato, Satya Prakash, Hemant Dashora, and Giuseppe Buja. "An Analysis-Supported Design of a Single Active Bridge (SAB) Converter." Energies 15, no. 2 (2022): 666. http://dx.doi.org/10.3390/en15020666.

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Currently, due to its various applications, the high-performance isolated dc-dc converter is in demand. In applications where unidirectional power transfer is required, the single active bridge (SAB) is the most suitable one due to its simplicity and ease of control. The general schematic of the SAB converter consists of an active bridge and a passive bridge, which are connected through a high-frequency transformer thus isolated. The paper summarizes the behavior of this converter in its three operation modes, namely the continuous, discontinuous, and boundary modes. Later, the features of thi

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20

Rodríguez-Benítez, Oscar Miguel, Mario Ponce-Silva, Juan Antonio Aquí-Tapia, et al. "Comparative Performance and Assessment Study of a Current-Fed DC-DC Resonant Converter Combining Si, SiC, and GaN-Based Power Semiconductor Devices." Electronics 9, no. 11 (2020): 1982. http://dx.doi.org/10.3390/electronics9111982.

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This paper focuses on the main reasons of low efficiency in a current-fed DC-DC resonant converter applied to photovoltaic (PV) isolated systems, comparing the effects derived by the overlapping time in the gate-signals (gate-source voltage) combining silicon (Si), silicon carbide (SiC), and gallium nitride (GaN)-based power devices. The results show that unidirectional switches (metal–oxide–semiconductor field-effect transistors (MOSFETs) plus diode) present hard switching as a result of the diode preventing the MOSFET capacitance of being discharged. The effectiveness of the converter was ve

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21

Haneda, Ryo, Hirofumi Akagi, and Kenji Hukuda. "Output Voltage Regulation of a Unidirectional Isolated DC-DC Converter Used as an Auxiliary Power Supply for Electric Commuter Trains." IEEJ Transactions on Industry Applications 137, no. 5 (2017): 406–13. http://dx.doi.org/10.1541/ieejias.137.406.

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22

Shanmugam, S., and A. Sharmila. "Multiport converters for incorporating solar photovoltaic system with battery storage: A pilot survey towards modern influences, challenges and future scenarios." Frontiers in Energy Research 10 (October 7, 2022). http://dx.doi.org/10.3389/fenrg.2022.947424.

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The increasing significance of renewable power systems with diverse sources has produced an unexpected demand for electronic converters to integrate and simultaneously control, various energy resources, and storage devices. The voltage-current characteristics and the voltage levels of storage, as well as energy generating systems, are naturally diverse from those of loads. Hence, converters are employed to transform the energy from the renewable power plants to meet the total power demand, to enable the renewable energy system to use Maximum Power Point Tracking algorithm, to enhance the dynam

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23

Venugopal, R., C. Balaji, A. Dominic Savio, et al. "Review on Unidirectional Non-isolated High Gain DC-DC Converters for EV Sustainable DC Fast Charging Applications." IEEE Access, 2023, 1. http://dx.doi.org/10.1109/access.2023.3276860.

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24

Sivaperumal, Narthana, and Gnanavadivel Jothimani. "A single‐stage bridgeless isolated positive output Cuk configuration‐based unidirectional onboard battery charger." International Journal of Circuit Theory and Applications, August 3, 2023. http://dx.doi.org/10.1002/cta.3757.

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SummaryAs power factor correction rectifiers play a key component of electric vehicle (EV) battery charger, the advancements in designing of improved power quality‐based EV charger become more significant in modern era. This article exposes a single‐stage bridgeless isolated positive output (BIPO) Cuk PFC converter with a noninverted output signal. The input diode rectifier present at the input is redeemed by the bridgeless topology that eliminates the serious power quality (PQ) issues and proffers the eminent charging solution for the light electric vehicles (LEV). Unlike the conventional Cuk

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25

Hong, Tianqi, Zhi Geng, Kedao Qi, Xiaonan Zhao, Joseph Ambrosio, and DAZHONG GU. "A Wide Range Unidirectional Isolated DC-DC Converter for Fuel Cell Electric Vehicles." IEEE Transactions on Industrial Electronics, 2020, 1. http://dx.doi.org/10.1109/tie.2020.2998758.

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