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Dissertations / Theses on the topic 'DC to AC Bidirectional Converter'

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Published: 3 June 2025
Last updated: 31 July 2025

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1

Mayes, Peter Richard. "A novel AC/DC bidirectional power converter." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239439.

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2

You, Keping Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "A new bidirectional AC-DC converter using matrix converter and Z-source converter topologies." Awarded by:University of New South Wales, 2007. http://handle.unsw.edu.au/1959.4/37450.

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This thesis proposes a new bidirectional three-phase AC-DC power converter using matrix converter and Z-source inverter topologies. Advantages of the AC-DC matrix converter are the inherently controllable power factor, the tight DC voltage regulation, the wide bandwidth with quick response to load variation, the single-stage buck-voltage AC-to-DC power conversion; advantages of the z-source inverter are the increased reliability by allowing the shoot-through between upper and lower power switches of one inverter leg, insensitivity to DC bus voltage due to the extra freedom of controlling DC-li
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3

Le, Lesle Johan. "Design modeling and evaluation of a bidirectional highly integrated AC/DC converter." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEC009/document.

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De nos jours, les énergies renouvelables remplacent les énergies fossiles. Pour assurer une l’interconnexion entre toutes ces installations électriques, l’électronique de puissance est nécessaire. Les principales spécifications de la prochaine génération de convertisseur de puissances sont un rendement et une densité de puissance élevés, fiabilité et faibles coûts. L’intégration PCB des composants actifs et/ou passifs est perçue comme une approche prometteuse, peu onéreuse et efficace. Les délais ainsi que les coûts de fabrication des convertisseurs de puissance peuvent considérablement réduit
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4

Caillaud, Rémy. "Integration of a 3.3 kW, AC/DC bidirectional converter using printed circuit board embedding technology." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI001/document.

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Les énergies fossiles (Pétrole, Charbon, …) représentent 80 % des énergies consommés. Malheureusement pour l’environnement, elles sont les plus polluantes. Le remplacement actuel des énergies fossiles permet au marché de l’électronique de puissance de grandir d’année en année. L’électronique de puissance permet d’adapter l’énergie électrique à son utilisation finale. Dans la pratique, l’adaptation de l’énergie électrique utilise des convertisseurs. En plus de respecter le volume, l’efficacité et la fiabilité imposés par le cahier des charges pour chaque application, l’électronique de puissance
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5

Chen, Weilun Warren. "Bidirectional Three-Phase AC-DC Power Conversion Using DC-DC Converters and a Three-Phase Unfolder." DigitalCommons@USU, 2017. https://digitalcommons.usu.edu/etd/6905.

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Strategic use of energy storage systems alleviates imbalance between energy generation and consumption. Battery storage of various chemistries is favorable for its relatively high energy density and high charge and discharge rates. Battery voltage is in dc, while the distribution of electricity is still predominantly in ac. To effectively harness the battery energy, a dc-ac inverter is required. A conventional inverter contains two high-frequency switching stages. The battery-interfacing stage provides galvanic isolation and switches at high frequency to minimize the isolation transformer size
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6

Borle, Lawrence J. "Zero average current error control methods for bidirectional AC-DC converters." Thesis, Curtin University, 1999. http://hdl.handle.net/20.500.11937/539.

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This thesis is concerned primarily with the optimization of the current regulation in bi-directional ac-dc power converters through the use of appropriate current control methods. Following a review into prior current control technology, current control methods which attempt to achieve Zero Average Current Error (ZACE) in each switching period are presented. A ZACE controlled converter offers independent real and reactive power flow control with negligible low order current harmonics, a relatively narrow switching frequency band, and relative immunity to power circuit parameter variations, inc
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7

Borle, Lawrence J. "Zero average current error control methods for bidirectional AC-DC converters." Curtin University of Technology, School of Electrical and Computer Engineering, 1999. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=10467.

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This thesis is concerned primarily with the optimization of the current regulation in bi-directional ac-dc power converters through the use of appropriate current control methods. Following a review into prior current control technology, current control methods which attempt to achieve Zero Average Current Error (ZACE) in each switching period are presented. A ZACE controlled converter offers independent real and reactive power flow control with negligible low order current harmonics, a relatively narrow switching frequency band, and relative immunity to power circuit parameter variations, inc
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8

Al, Attar Houssein. "Bidirectional Electric Vehicle Charger Control." Thesis, Ecole centrale de Nantes, 2022. http://www.theses.fr/2022ECDN0043.

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Dans cette thèse inscrite dans le cadre de la chaire Renault-Centrale Nantes, l’objectif est de concevoir des stratégies de contrôle pour améliorer les performances et le rendement du chargeur réversible du Véhicule Electrique (VE). Dans le mode décharge, le nouveau défi consiste à concevoir une stratégie de Modulation par Décalage de Phase (MDP) pour améliorer la zone de fonctionnement et le rendement du convertisseur DC-DC. La loi de commande est basée sur l’inversion de gain du convertisseur DC-DC LLC. Du point de vue coût, la contribution porte essentiellement sur la conception d’une strat
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9

Aquino, Joshua Jonn O. "Microcontroller Design of a Bidirectional Three-Level Pulse Width Modulation AC/DC Converter for Vehicle-to-Grid Application." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/850.

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Bidirectional chargers provide plug-in electric vehicles (EV) the ability to not only transfer energy from the grid to the vehicle, but also transfer energy from the vehicle to the grid (V2G). The V2G mode allows power utility companies to offset peak power consumption thus allowing household consumers and industry corporations to save money on their electricity bills. This paper describes the design choices of bidirectional chargers and provides the implementation details for a Three-Level PWM AC-DC based charger. Although the three-level PWM AC-DC design requires a more complex controller th
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10

Bianchi, Jeramie Seth. "Bridgeless Active Power Factor Correction Using a Current Fed Push Pull Converter." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/544.

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ABSTRACT Bridgeless Active Power Factor Correction Using a Current Fed Push Pull Converter Jeramie Seth Bianchi Switched Mode Power Supplies have become increasingly popular for efficient methods of delivering power to an assortment of electronic devices. This thesis proposes a method of using a current fed push pull converter to provide active power factor correction and rectification in a single stage. While most AC-DC converters utilize a bridge rectifier to convert AC-DC and then perform DC-DC conversion, the proposed circuit will utilize its output diodes to perform rectification, thus el
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11

Qian, Hao. "A High-Efficiency Grid-Tie Battery Energy Storage System." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/29008.

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Lithium-ion based battery energy storage system has become one of the most popular forms of energy storage system for its high charge and discharge efficiency and high energy density. This dissertation proposes a high-efficiency grid-tie lithium-ion battery based energy storage system, which consists of a LiFePO4 battery based energy storage and associated battery management system (BMS), a high-efficiency bidirectional ac-dc converter and the central control unit which controls the operation mode and grid interface of the energy storage system. The BMS estimates the state of charge (SOC) and
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12

Olatoke, Abraham Oladele. "Impact of high penetration of renewable energy sources on the relay coordination of distribution system." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/12979.

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The rate at which the integration of distributed generation (DG) penetrates the public power supply has started to put various demands on the distribution system, since they are directly connected to the network. Distribution level protection is based on a time-overcurrent design. The design is to clear faults with as little impact and minimum time on the equipment and the customer. The increasing demands placed by grid services on the DGs, especially the PV types have a serious impact on the distribution system. For example, special protective devices are required to prevent the risk of dange
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13

Silva, Felipe Simoes Freitas e. "INVERSOR BIDIRECIONAL PARA CONTROLE DE FLUXO DE POTENCIA EM MINIRREDES COM GERACAO DISTRIBUIDA." Universidade Federal do Maranhão, 2014. http://tedebc.ufma.br:8080/jspui/handle/tede/520.

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Made available in DSpace on 2016-08-17T14:53:28Z (GMT). No. of bitstreams: 1 Dissertacao Felipe Simoes Freitas e Silva.pdf: 5795737 bytes, checksum: dc589a2115d1b568db1a3c2b9de3f80c (MD5) Previous issue date: 2014-04-25<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>This work presents the study, modelling and assembling of a three-phase bidirectional DCAC converter suitable for operating as an interface between an energy storage system based on a battery bank and an isolated microgrid. The converter consists of two stages: a DC-DC stage implemented with a bidirectional
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14

Wallberg, Alexander. "Design and construction of a bidirectional DC/DC converter." Thesis, Uppsala universitet, Elektricitetslära, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-385240.

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A four quadrant general single-phase bi-directional DC/DC converter was designed and constructed for high effect systems. The target application for the DC/DC converter was to be used to transfer energy between different energy storages, a miniature DC power grid and the high voltage AC power city grid. The converter is capable of step-up and step-down operations in both directions i.e. it is bi-directional at varying voltage levels. Different DC/DC topologies were investigated, and thereafter simulations were performed in LTspice and Simulink to ensure its capabilities and functionalities. Th
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15

Bissey, Sebastien. "Optimisation du coût de la consommation d'électricité dans l'habitat individuel." Thesis, Tours, 2019. http://www.theses.fr/2019TOUR4029.

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Les travaux menés durant cette thèse ont consisté à proposer des solutions pour optimiser le coût de la consommation d’électricité dans l’habitat individuel. Les outils matériels et logiciels proposés ici permettent à la fois d’estimer la rentabilité d’un système de gestion de l’électricité et l’impact des bons et simples gestes du quotidien. Dans un premier temps, des solutions permettant de faire des économies dans l’habitat individuel ont été comparées et évaluées. Le système de stockage de l’énergie électrique a été introduit. Le stockage permet entre autre de décaler la consommation d’éle
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16

Zhang, Junhong. "Bidirectional DC-DC Power Converter Design Optimization, Modeling and Control." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/26126.

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In order to increase the power density, the discontinuous conducting mode (DCM) and small inductance is adopted for high power bidirectional dc-dc converter. The DCM related current ripple is minimized with multiphase interleaved operation. The turn-off loss caused by the DCM induced high peak current is reduced by snubber capacitor. The energy stored in the capacitor needs to be discharged before device is turned on. A complementary gating signal control scheme is employed to turn on the non-active switch helping discharge the capacitor and diverting the current into the anti-paralleled diode
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17

Ramasamy, Thaiyal Naayagi. "Bidirectional DC-DC converter for aircraft electric energy storage systems." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/bidirectional-dcdc-converter-for-aircraft-electric-energy-storage-systems(34423ae1-ebfb-48bd-a66d-fd03b45615e7).html.

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Future aircraft are likely to employ electrically powered actuators for adjusting flight control surfaces, and other high power transient loads. To meet the peak power demands of aircraft electric loads and to absorb regenerated power, an ultracapacitor-based energy storage system is examined in which a bidirectional dual active bridge DC-DC converter is used. This Thesis deals with the analysis, design, development and performance evaluation of the dual active bridge (DAB) converter, which can act as an interface between the ultracapacitor energy storage bank and the aircraft electrical power
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18

Mohd, Mukhtar Nurhakimah. "Efficiency Improvement Techniques for Isolated Flyback and Forward Bidirectional DC-DC Converters." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/23127.

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The information age introduced myriad means for individuals and organisations to stay connected and feel informed. Among those means, email arose as one of the most successful and ubiquitous communication technologies to be enabled via internet access. Today it continues to grow in both the volume of traffic and users each year. We now know that this has resulted in an overabundance of information, which is proving difficult for people to mentally process and productively manage. This is known as “Information overload” and email’s part in this has been termed “email overload”. Among this surpl
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19

Melo, Rodnei Regis de. "Bidirectional interleaved dc-dc converter applied to supercapacitors for electric vehicles." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12327.

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nÃo hÃ<br>The electric vehicle is increasingly present in our cities every day, and in the technological context it has shown great progress. Two essential elements to the success of these vehicles are the electric energy storage devices and electronic converters for processing and management of this energy. In this context, this dissertation presents a study on the current situation of the electric vehicle on the world scenario and its embedded technologies. Another object of research are supercapacitors for application in electric vehicles as an energy storage source and fast energy transfer
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20

Chu, Alex. "Evaluation and Design of a SiC-Based Bidirectional Isolated DC/DC Converter." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/81994.

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Galvanic isolation between the grid and energy storage unit is typically required for bidirectional power distribution systems. Due to the recent advancement in wide-bandgap semiconductor devices, it has become feasible to achieve the galvanic isolation using bidirectional isolated DC/DC converters instead of line-frequency transformers. A survey of the latest generation SiC MOSFET is performed. The devices were compared against each other based on their key parameters. It was determined that under the given specifications, the most suitable devices are X3M0016120K 1.2 kV 16 mohm and C3M001009
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21

Mazza, Luan Carlos dos Santos. "Single phase bidirectional DAB DC-DC converter based on three state switching cell." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14412.

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This work presented is DC-DC isolated ZVS Bidirectional Dual Active Bridge (DAB) single phase converter, based three-state switching cell is presented. The proposal is to apply it in photovoltaic systems with battery bank into smart networks. Basically the drive control is the duty cycle (D) of the switches and the Phase Shift (&#966;) of the fundamental tensions between the bridges. The gyrator modeling of the converter is presented, highlighting its natural operating characteristic as gyrator. Shows the qualitative and quantitative analysis of the converter, realizing the full study of the s
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22

Ahmad, Khan Naveed. "Power Loss Modeling of Isolated AC/DC Converter." Thesis, KTH, Elektrisk energiomvandling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109717.

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Several research activities at KTH are carried out related to Isolated AC/DC converters in order to improve the design and efficiency. Concerning the improvement in the mentioned constraints, losses of the elements in the prototype converter are modeled in this thesis work. The obtained loss model is capable of calculating the losses under different circumstances. The individual contribution of losses for each element at different conditions can be obtained, which is further useful in improving the design and therefore, efficiency. The losses in different elements of the converter, including p
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23

Hong-WeiDeng and 鄧弘緯. "DSP Controlled AC-DC Bidirectional Power Converter." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/55249315633117041500.

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24

HSU, JUI-PO, and 徐瑞柏. "Three-phase Impedance-Source Bidirectional AC/DC Converter." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/n5b7ft.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>105<br>In this thesis, the topology of three-phase AC-DC converters is studied. An impedance source (Z-source) topology together with traditional three-phase six-switch circuit to achieve the buck/boost function in single-stage structure. Traditional voltage source or current source inverter has the limitation that output voltage can only be less than or greater than the input voltage. The impedance source topology has combination of inductors, capacitors, and one auxiliary switch. The input port is neither a voltage source nor a current source. Therefore, the outpu
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25

Varajão, Diogo André Cerqueira Pinto Bezerra. "Single-stage, bidirectional AC-DC matrix converter for energy storage systems." Doctoral thesis, 2018. https://hdl.handle.net/10216/115552.

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26

Varajão, Diogo André Cerqueira Pinto Bezerra. "Single-stage, bidirectional AC-DC matrix converter for energy storage systems." Tese, 2018. https://hdl.handle.net/10216/115552.

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27

Varajão, Diogo André Cerqueira Pinto Bezerra. "Single-stage, bidirectional AC-DC matrix converter for energy storage systems." Tese, 2002. https://repositorio-aberto.up.pt/handle/10216/115552.

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28

Chi-YuChen and 陳佶郁. "Study on the Transferring State of the Full Digital Grid-connected Bidirectional DC-AC Converter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/2578rv.

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碩士<br>國立成功大學<br>電機工程學系<br>104<br>In this thesis, a full digital grid-connected bidirectional DC-AC converter based on H-bridge converter for microgrid system is implemented. Converter outputs constant AC current during DC-AC mode for parallel operation with power grid. Converter outputs constant voltage during AC-DC mode, in which maintains the voltage level of DC bus. During AC-DC mode, converter works as a bridgeless power factor corrector. Therefore, power factor can be increased. This thesis analyze each equivalent circuits and operating modes, including inverter mode, PFC mode, and transf
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29

Chen, Shi-Can, and 陳詩燦. "Fault Diagnosis of Dual-Buck Bidirectional DC-AC Converter Based on Cerebellar Model Neural Networks." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5h4xds.

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碩士<br>元智大學<br>電機工程學系<br>106<br>With the vigorous development of new energy generation and green intelligent electricity utilization, more and more power electronic converters are applied to smart power grid and become the key to energy transformation. As the core of energy conversion, the failure of power electronic converters may cause the whole system to fail or even paralyze, and result in serious losses. Therefore, it is very important to study the fault diagnosis method of converter circuit in depth; predict the fault risk with the aid of intelligent diagnosis method; realize intelligent,
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30

Lu, An-Sheng, and 呂安生. "A Single-Phase Full-Bridge AC/DC Converter with Bidirectional Power Flow and Adjustable Power Factor." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/73eavd.

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碩士<br>國立虎尾科技大學<br>電機工程研究所<br>99<br>This thesis proposes a single-phase full-bridge AC/DC converter with bidirectional power flow and adjustable power factor. Based on a generalized zero vector technique, the proposed AC/DC converter combines a single-phase boost rectifier and a buck-boost converter into a single-stage AC/DC converter. The proposed converter has several advantages such as energy regeneration, sinusoidal waveform and adjustable power factor in the input. TI DSP TMS28335 chip and Vissim Embeded control software are both employed to achieve digital control requirement.The advantag
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31

Li, Xiaodong. "High-frequency isolated DC/AC and bidirectional DC/DC converters for PMSG-based wind turbine generation system." Thesis, 2009. http://hdl.handle.net/1828/1804.

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In this dissertation, a high-frequency (HF) transformer isolated grid-connected power converter system with battery backup function is proposed for a small-scale wind generation system (less than 100 kW) using permanent magnet synchronous generator (PMSG). The system includes a main HF isolated DC/AC grid-connected converter and a bidirectional HF isolated DC/DC converter. Through literature survey and some comparative studies, a HF isolated DC/DC converter followed by a line connected inverter (LCI) is chosen as the grid-connected scheme. After reviewing several topologies which were used
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Chen, Seng-Yi, and 陳盛益. "Current Sensorless Control and Flying-Capacitor Voltage Balancing Control for Bidirectional Asymmetrical Multilevel Flying-Capacitor AC/DC Converter." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/4xzq3r.

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碩士<br>國立交通大學<br>電控工程研究所<br>106<br>An asymmetrical (2N+1) level flying-capacitor converter is presented in this thesis to construct a bidirectional AC/DC converter. Compared with conventional double loop control structure, the proposed control structure only requires input voltages and output voltage to achieve power factor correction amd regulate the output voltage. If there is a generated system connected to the dc bus,and the generated power is greater than the dc load, the proposed control structure must return superfluous power to the grid.Otherwise,the flying-capacitor voltage balancing l
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LI, ZHENG-DE, and 李政德. "Design and Implementation of an Improved Digitally Bidirectional DC/AC Converter Based on Differential Connection Circuit—Inverter Form." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/2zc3xc.

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碩士<br>國立臺北科技大學<br>車輛工程系<br>107<br>This thesis presents an improved single-phase DC/AC converter utilized in residential microgrids system. Considered the problem about larger current stress existing in differential connection circuit, the concept of multi-phase interleaving was introduced into differential connection circuit and overcame the obstacle that both active power filter (APF) and power factor correction (PFC) functions cannot be optimized simultaneously through average current control at rectifier form. When operating at inverter form, it achieves high power density and low element s
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HSIEH, PING-YEN, and 謝秉諺. "Design and Implementation of an Improved Digitally Bidirectional DC/AC Converter Based on Differential Connection Circuit－Rectifier Form." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/cx9e3d.

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碩士<br>國立臺北科技大學<br>車輛工程系<br>107<br>For the purpose of applying to residential microgrid, we present a bidirectional DC/AC converter based on differential connection circuit. There are combined by two-phase interleaved boost converter where the proposed architecture operating at inverter form. In inverter form, besides high power density and low element stress, it can achieve active power filter(APF) function by using waveform control on its storage elements. To improve the disadvantage of differential connection circuit that cannot optimize simultaneously PFC function and eliminating ripple at
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35

Kikuchi, Jun. "Analysis and control of three phase AC-DC PMW boost-buck and buck-boost bidirectional power converters." 2002. http://www.library.wisc.edu/databases/connect/dissertations.html.

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36

Monteiro, Vítor Duarte Fernandes. "Desenvolvimento de sistemas de carregamento bidirecionais para veículos elétricos com novos modos de operação para Smart Grids." Doctoral thesis, 2016. http://hdl.handle.net/1822/43448.

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Tese de Doutoramento Engenharia Eletrónica e de Computadores<br>A aposta na mobilidade elétrica, principalmente em veículos elétricos (VEs), representa um novo paradigma de transporte tendo por base a mobilidade eficiente e sustentável. Como consequência, é também uma mais-valia para a independência dos custos do petróleo e para a redução das emissões de gases com efeito de estufa. Para que este novo paradigma de transporte seja uma alternativa viável face aos atuais veículos com motor de combustão interna, é espectável que os VEs tenham custos reduzidos, tanto ao nível da utilização como
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37

Alves, Nuno Martins. "High-Performance Isolated Bidirectional DC-DC Converter." Master's thesis, 2017. https://hdl.handle.net/10216/105515.

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Conversores DC-DC bidireccionais têm vindo a ganhar atenção na área da eletrónica de potência devido ao aumento da necessidade de um fluxo de potência controlado entre dois barramentos DC. Aplicações típicas podem ser facilmente listadas, indo desde unidades de produção de energia renovável até veículos elétricos e híbridos. Estes conversores podem apresentar funcionalidades como elevada densidade energética e performance, assim como isolamento galvânico entre cada porto. Desta forma, a AddVolt requisitou que tal conversor fosse incluído na sua solução de travagem regenerativa. Com esta disse
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Alves, Nuno Martins. "High-Performance Isolated Bidirectional DC-DC Converter." Dissertação, 2017. https://hdl.handle.net/10216/105515.

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Conversores DC-DC bidireccionais têm vindo a ganhar atenção na área da eletrónica de potência devido ao aumento da necessidade de um fluxo de potência controlado entre dois barramentos DC. Aplicações típicas podem ser facilmente listadas, indo desde unidades de produção de energia renovável até veículos elétricos e híbridos. Estes conversores podem apresentar funcionalidades como elevada densidade energética e performance, assim como isolamento galvânico entre cada porto. Desta forma, a AddVolt requisitou que tal conversor fosse incluído na sua solução de travagem regenerativa. Com esta disse
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Almeida, Simão Pedro Pinheiro. "Desenvolvimento de um conversor CC-CA para o condicionador ativo paralelo de um UPQC trifásico." Master's thesis, 2018. http://hdl.handle.net/1822/61803.

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Dissertação de mestrado em Engenharia Eletrónica Industrial e de Computadores<br>Hoje em dia, devido à utilização massiva de cargas não lineares pelos consumidores em geral, tem aumentado progressivamente o conteúdo harmónico nas formas de onda das correntes, que, por sua vez, provocam quedas de tensão nas impedâncias das linhas, contribuindo para o aumento do conteúdo harmónico das tensões na rede elétrica. Como resultado, cada vez mais a rede elétrica apresenta baixos índices de qualidade de energia elétrica. O projeto em que esta dissertação está enquadrada consiste no desenvolvimento de u
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Lai, Chien-Hsuan, and 賴价炫. "Analysis and Implementation of Bidirectional DC/DC Converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/17371448190970655354.

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碩士<br>雲林科技大學<br>電機工程系碩士班<br>96<br>This thesis proposes two bi-directional dc-to-dc converters. These converters can be used in the hybrid electric vehicle for battery charging and discharging system. In order to increase the efficiency of converters, the resonant circuits have been designed to achieve zero-voltage-switching (ZVS) to reduce switching loss. In the secondary side of converters, the synchronous rectifier have been adapted to avoid the surge conduction losses on the power semiconductor. The bi-directional asymmetric PWM half-bridge converter with center tap synchronous rectifier an
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DUNG, NGUYEN ANH, and NGUYEN ANH DUNG. "Bidirectional DC-DC Converter for Energy Storage Systems." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/6zar9y.

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博士<br>國立臺灣科技大學<br>電子工程系<br>106<br>The bidirectional DC-DC converters for the energy storage systems (ESSs) such as batteries or ultra-capacitors in the electric vehicle or automotive systems have been paid more attention in recent years due to the developing of the technology and the exhaustion of the fossil fuel energy and their environmental concerns. There are numerous types of the ESSs depended on the specific applications. However, the ESSs is basically categorized into two main groups based on the voltage level: high voltage ESSs and low voltage ESSs. Therefore, the bidirectional DC-DC c
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Tong, Shi-cheng, and 童世承. "The Study of Bidirectional DC-DC Converter for DC System." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/31838579125174523655.

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碩士<br>逢甲大學<br>電機工程所<br>98<br>In recent years, the development of green energy has received increasing national attention. It is foreseeable that the DC power supply system development and application, under the progressive development of green energy. The operation mode of bidirectional DC-DC power supply system will be as the current UPS. This design makes and improves to the bidirectional DC-DC power supply system, and the system is superposition half-bridge and full-bridge. The system features is the output voltage has a wide range of modulation under charging model. The power source is th
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Lee, Yu-En, and 李育恩. "Analysis and Design of Bidirectional ZVS DC-DC Converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/64519079999866605219.

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碩士<br>國立雲林科技大學<br>電機工程系碩士班<br>95<br>The system analysis and circuit implementation of the bi-direction converters applied on charging/discharging complex fuel cell are presented in this thesis. The soft switching technique is used to reduce the size of magnetizing component, switching losses and to increase the circuit efficiency. In the secondary side of transformer, the synchronous rectifier configuration will reduce the conduction losses on the power semiconductors. The bi-direction asymmetric half-bridge and active clamp forward converters are presented and discussed. Finally, the experime
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Chen, Chi-Rong, and 陳麒容. "High-Power Bidirectional DC/DC Converter with Natural Commutation." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/84354102352686414747.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>103<br>This thesis proposes a high-power bidirectional DC/DC converter for micro-grid system applications. The power-stage circuit topology is a non-isolated buck-boost DC/DC converter. Conventionally, this topology is hard-switched, which results in significant switching losses, as well as induces electromagnetic interferences and high-frequency noises. Contrarily, a novel control strategy is proposed in this thesis, in which zero-voltage-switching (ZVS) of power switches can be realized with simple pulse-width-modulation. The term “natural commutation” here means t
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45

Rodrigues, Pedro Afonso. "Isolated and Bidirectional DC-DC Converter for Electric Vehicles." Master's thesis, 2018. https://hdl.handle.net/10216/114199.

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O estado da arte iniciou com a análise na literatura de topologias de conversores DC-DC. Técnicas de modulação são estudadas com vista a melhorar a eficiência de conversão, realçando as vantagens e limitações inerentes das mesmas. Após a análise da literatura, o foco projeto passou a ser a topologias de dupla ponte com dispositivos ativos e com isolamento galvânico intermédio entre as duas pontes (conhecido em inglês por dual active bridge). Algumas técnicas de modulação que permitem o funcionamento do conversor são analisadas no documento e suportadas com resultados obtidos em ambiente de si
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Rodrigues, Pedro Afonso. "Isolated and Bidirectional DC-DC Converter for Electric Vehicles." Dissertação, 2018. https://hdl.handle.net/10216/114199.

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O estado da arte iniciou com a análise na literatura de topologias de conversores DC-DC. Técnicas de modulação são estudadas com vista a melhorar a eficiência de conversão, realçando as vantagens e limitações inerentes das mesmas. Após a análise da literatura, o foco projeto passou a ser a topologias de dupla ponte com dispositivos ativos e com isolamento galvânico intermédio entre as duas pontes (conhecido em inglês por dual active bridge). Algumas técnicas de modulação que permitem o funcionamento do conversor são analisadas no documento e suportadas com resultados obtidos em ambiente de si
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Rodrigues, Pedro Afonso. "Isolated and Bidirectional DC-DC Converter for Electric Vehicles." Dissertação, 2002. https://repositorio-aberto.up.pt/handle/10216/114199.

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O estado da arte iniciou com a análise na literatura de topologias de conversores DC-DC. Técnicas de modulação são estudadas com vista a melhorar a eficiência de conversão, realçando as vantagens e limitações inerentes das mesmas. Após a análise da literatura, o foco projeto passou a ser a topologias de dupla ponte com dispositivos ativos e com isolamento galvânico intermédio entre as duas pontes (conhecido em inglês por dual active bridge). Algumas técnicas de modulação que permitem o funcionamento do conversor são analisadas no documento e suportadas com resultados obtidos em ambiente de sim
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Wu, Yue-Lin, and 吳岳霖. "Bi-Directional AC/DC Converter." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/454xtz.

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碩士<br>國立臺北科技大學<br>電機工程系所<br>93<br>The thesis is dedicated to the design and implementation the bi-directional AC/DC converters for the front-end of inverter. The developed converter is modulated by space vector modulation and the related controlled quantities are referred to synchronous frame. The controller consists of multiple control loops, which include inner current loop and external voltage loop to achieve fast response. The inner loop is based upon direct current control and the voltage decouple to achieve current tracking, and the external loop controls the output voltage to follow the
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Gedam, Prashant. "Design and Implementation of bidirectional DC DC converter fed DC motor." Thesis, 2014. http://ethesis.nitrkl.ac.in/5913/1/110EE0196-10.pdf.

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The work aims at designing and implementation of a bidirectional DC DC converter fed PMDC motor which can be used as the traction system for hybrid electric vehicle(HEV) system. As in designing the HEV the main problem is of battery storage system and by using the bidirectional converter we can improve the overall efficiency of the HEV. In bidirectional converter as energy flow can take place in either direction, it can work in both the motoring and regenerative mode. In motoring mode, the converter acts as a boost converter and the voltage will be boosted and hence the current will be less so
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Wang, Sheng-Yuan, and 王聖淵. "System integration of AC-DC and DC-DC Converter." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9a3zhg.

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碩士<br>崑山科技大學<br>電子工程研究所<br>107<br>As the trend of electric vehicles is becoming clearer, the charging system is also charged by AC to DC. The main purpose of this thesis is to develop and discuss the application of an AC-DC and DC-DC integration. Can be applied to charging systems or other related consumer electronics. DC-DC Converter developed a system with DC48V, switching frequency of 60kHz~65kHz and power of 60W in the form of Flyback. And with AC-DC system.
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