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Dissertations / Theses on the topic 'Isolated full-bridge DC to DC power converter'

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Published: 4 June 2021

Last updated: 11 February 2022

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1

Enomoto, Bruno Yukio. "Conversores DC-DC Dual-Active-Bridge isolados bidirecionais." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-17072018-092952/.

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Este trabalho visa o estudo das regiões de operação de conversores CC/CC isolados bidirecionais do tipo DAB (Dual Active Bridge). É feito um estudo do comportamento do circuito com a variação dos valores das reatâncias de acoplamento, avaliando-se aspectos como eficiência, fator de potência, reativos, entre outros. A seguir é proposta uma estrutura de controle que permite a operação com tensões nos barramentos DC diferentes das nominais, minimizando as correntes absorvidas. Além disso, propõe-se uma estratégia de controle para regular a potência transferida. O trabalho inclui modelagem teórica

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2

Yao, Liangbin. "HIGH CURRENT DENSITY LOW VOLTAGE ISOLATED DC-DC CONVERTERSWITH FAST TRANSIENT RESPONSE." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3205.

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With the rapid development of microprocessor and semiconductor technology, industry continues to update the requirements for power supplies. For telecommunication and computing system applications, power supplies require increasing current level while the supply voltage keeps decreasing. For example, the Intel's CPU core voltage decreased from 2 volt in 1999 to 1 volt in 2005 while the supply current increased from 20A in 1999 to up to 100A in 2005. As a result, low-voltage high-current high efficiency dc-dc converters with high power-density are demanded for state-of-the-art applications and

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3

Jung, Jin Woo. "Modeling and control of fuel cell based distributed generation systems." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1116451881.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xvi, 209 p.; also includes graphics. Includes bibliographical references (p. 202-209). Available online via OhioLINK's ETD Center

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4

Mao, Shiwei. "Isolated Bi-directional DC-DC Converter with Smooth Start-up Transition." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/52979.

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The bi-directional dc/dc converter is a very popular and effective tool for alternative energy applications. One way it can be utilized is to charge and discharge batteries used in residential solar energy systems. In the day, excess power from the PV panels is used to charge the batteries. During the night, the charged batteries will power the dc bus for loads in the house such as home appliances. The dual active bridge (DAB) converter is very useful because of its high power capability and efficiency. Its symmetry is effective in transferring power in both directions. However, the DAB

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5

Chudý, Andrej. "DC/DC měniče pro průmyslové napájecí zdroje." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442795.

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This diploma thesis deals with design and comparison of selected DC/DC converters, where the better of them is practically realized. The first part of the diploma thesis is focused on the general analysis of DC/DC power converters. The following part is theoretical analysis focused on the first selected topology – step-up converter. The second analysed topology is forward converter with full bridge on the primary side. The theoretical analysis also includes a description of synchronous rectifier, the differences between hard and soft switching, and the types of secondary rectifiers. Another pa

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6

Oshaben, Edward J. "DC-DC Power Converter Design for Application in Welding Power Source for the Retail Market." Cleveland State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=csu1296178360.

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7

Ismail, Nasser. "A single stage full bridge power factor corrected AC/DC converter." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq26004.pdf.

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8

Cao, Yu. "A novel step-up/step-down full-bridge DC-DC converter for distributed solar power applications." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/54788.

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Among the many renewable energy sources, solar power is becoming one of the quickest to be adopted due to continuous technological progress and reductions in cost. Today's typical photovoltaic modules that are connected together in series and parallel to form strings and sub-arrays. Various distributed photovoltaic architectures are introduced in this thesis and DC-DC converters with maximum power point tracking are also introduced. Partial power processing is a technique to allow only a fraction of the power to be processed by the DC-DC converter, thereby reducing losses and improving efficie

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9

Feng, Yixue. "DC fault ride through operation of a full-bridge MMC converter." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/32426/.

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In recent years the growth of renewable energy has encouraged the development of HVDC grids. One challenge of building HVDC grids is the power converter response to DC side faults. The full-bridge Modular Multilevel Converter (MMC) is a desired power converter topology which is used in HVDC grids due to its scalability, modularity and capability of blocking DC side faults. Post fault operation of the full-bridge MMC requires the control of power flow, the energy of each sub-module capacitor and the elimination of circulating harmonic current to reduce power loss while DC line-to-ground or DC l

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10

Yan, Jinghui. "Full Bridge LLC Converter Secondary Architecture Study for Photovoltaic Application." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/82490.

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The increasing global energy demand calls for attention on renewable energy development. Among the available technology, the photovoltaic (PV) panels is a popular solution. Thus, targeted Power Conditioning Systems (PCSs) are drawing increased attention in research. Microconverter is one of the PCS that can support versatile applications in various power line architectures. This work focuses on the comparison of circuit secondary side architectures for LLC converter for microconverter application. As the research foundation, general characteristic of solar energy and PV panel operation are i

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11

Turriate, Victor Omar. "Design and Implementation of a Radiation Hardened GaN Based Isolated DC-DC Converter for Space Applications." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/98232.

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Power converters used in high reliability radiation hardened space applications trail their commercial counterparts in terms of power density and efficiency. This is due to the additional challenges that arise in the design of space rated power converters from the harsh environment they need to operate in, to the limited availability of space qualified components and field demonstrated power converter topologies. New radiation hardened Gallium Nitride (GaN) Field Effect Transistors (FETs) with their inherent radiation tolerance and superior performance over Silicon Power Metal Oxide Semiconduc

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12

Smith, Nathaniel R. "Characterization and Design of Voltage-Mode Controlled Full-Bridge DC/DC Converter with Current Limit." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright152721348332911.

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13

Roggia, Leandro. "Novo conversor CC-CC integrado full-bridge-forward aplicado a uma microrrede residencial." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/3676.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This Ph.D. Dissertation focuses on the proposal of a novel converter topology applied to the connection of an energy storage system, composed of a supercapacitor bank and a battery bank, to the dc bus of a residential microgrid. The proposed full-bridge-forward integrated dc-dc converter presents high voltage gain between the input and output, a fundamental requirement for the desired application, bidirectional power flow, galvanic isolation, among other features. The integration process, operation stages (including converter wavef

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14

Uslu, Mutlu. "Analysis, Design, And Implementation Of A 5 Kw Zero Voltage Switching Phase-shifted Full-bridge Dc/dc Converter Based Power Supply For Arc Welding Machines." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/3/12607873/index.pdf.

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Modern arc welding machines utilize controllable high frequency DC/DC power supply with high dynamic and steady state current regulation performance. In the design robustness, small size and low weight, low complexity, and high efficiency are the defining criteria. The most suitable approach for a 5 kW arc welding machine power supply application is the high frequency Full-Bridge Phase-Shifted Zero Voltage Switching (FB-PS-ZVS) DC/DC converter with an isolation transformer. This converter not only gives the advantage of zero voltage switching for a wide load current range, it also provides red

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15

Kaya, Mehmet Can. "Design, Implementation, And Control Of A Two&amp." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610106/index.pdf.

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In this thesis a two-stage AC/DC/DC power converter is designed and implemented. The AC/DC input stage of the converter consists of the two&amp<br>#8211<br>phase interleaved boost topology employing the average current mode control principle. The output stage consists of a zero voltage switching phase shifted full bridge (ZVS&amp<br>#8211<br>PS&amp<br>#8211<br>FB) DC/DC converter. For the input stage, main design goals are obtaining high input power factor, low input current distortion, and well regulated output dc voltage, and obtaining these attributes in a power converter with high power de

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16

Zanatta, Cleber. "Análise teórica e experimental do comportamento de grandes e pequenos sinais e desenvolvimento de um novo modelo dinâmico de pequenos sinais do conversor ZVS-PSM-FB." Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/8436.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This Master Thesis presents the development of a new dynamic model for the DC-DC Zero-Voltage-Switching Phase-Shift-Modulated Full-Bridge (ZVS-PSM-FB).At first, the ZVSPSM-FB converter is analyzed and the Steady-State equations are derived. Then, using the ac equivalent circuit modeling technique, it is derived two new ZVS-PSM-FB dynamical models, based on step operation of the converter and steady-state converter equations. These two new ZVS-PSM-FB dynamical models with two dynamical models previously presented in the literature a

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17

Guan, Yeh, and 關曄. "High Power Isolated Full- Bridge DC-DC Converter." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/35323514260858630489.

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碩士<br>國立清華大學<br>電機工程學系<br>93<br>The full-bridge converters has been found widely use in many applications. With the increment of system power ratings, the soft-switching technique has become much more emphasized. The loss limited full bridge converter has been chosen for the system in this thesis, and the concept of multi-turn coaxial winding transformer is adapted to the system isolation transformer. Two different multi-turn coaxial winding transformer designs is analyzed and fabricated. Several simulations have been made to verify the system. The SYNOPSYS Saber Designer is used to simulate t

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18

Mallik, Dhara I. "Design of isolated DC-DC and DC-DC-AC converters with reduced number of power switches." Thesis, 2017. https://doi.org/10.7912/C2H652.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>There are various types of power electronic converters available in recent days. In some applications (e.g. PC power supply), it is required to supply more than one load from a single power supply. One of the main challenges while designing a power converter is to increase its e ciency especially when the number of power switches employed is relatively large. While several loads are supplied from a single source, if the power loss in the switches cannot be reduced, then the expected utilization of using a single source is not v

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19

Rodrigues, Tiago José Cunha. "Desenvolvimento da eletrónica de potência para um sistema microeólico isolado com baterias." Master's thesis, 2014. http://hdl.handle.net/1822/41988.

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Dissertação de mestrado integrado em Engenharia Eletrónica e de Computadores<br>A energia elétrica é um bem essencial para a evolução da indústria e consequentemente para o desenvolvimento de um país. Assim sendo, como consequência da necessidade de desenvolvimento dos países, as necessidades de energia elétrica têm aumentado muito nos últimos anos. Atualmente grande parte da energia é obtida a partir de combustíveis fósseis, os quais durante o processo de transformação provocam grandes níveis de poluição. Dessa poluição, um dos problemas mais visíveis é o aumento de CO2 na atmosfera, o

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20

Yang, Yu-Chang, and 楊育璋. "Three-Port Isolated Full-Bridge Bidirectional DC-to-DC Converter." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/41849037729000621373.

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碩士<br>南臺科技大學<br>電機工程系<br>105<br>The three-port isolated full-bridge bidirectional DC-to-DC converter has three different energy ports, with flexible power transmission, electrical isolation and high power density. So this converter is suitable for micro-grid and renewable energy systems to connect different energy and load. This paper proposes a Three-port isolated full-bridge bidirectional DC-to-DC converter to integrate renewable energy, energy storage systems and supply energy to the load, which can greatly reduce the impact of intermittent effects by integrating renewable energy and energy

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21

Chang, Jie_Kuan, and 張介寬. "Implementation of Phase-Shift Full-Bridge DC/DC Power Converter." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/26139847877372803567.

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碩士<br>國立高雄應用科技大學<br>電機工程系<br>98<br>In this paper, a non-isolated gate driver circuit is developed for driving the power electronic switches of the diode-clamped three-level power converter, and a phase-shift full-bridge DC/DC power converter is also developed. The developed non-isolated gate driver circuit is composed of the bootstrap-type charge pump circuit and discrete electronic devices. A voltage source using bootstrap charge pump circuit is used to generate four isolated power supplies and four pulse-width modulation signals using a constant current couple mode are used for shifting the

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22

Chiu, Po-Cheng, and 邱柏晟. "Study and Implement of Isolated Bi-directional Full-bridge DC/DC Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/49664990913626262457.

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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 aims to study and design a high-efficiency bi-directional converter which can help reduce the overall volume of a charger-discharger system. The topology of this converter is Bi-directional Full-Bridge DC/DC Converter. The switches possess the turn-on with zero-voltage switching (ZVS) in order to reduce the switching losses. Reach a goal of circuit efficiency improvement. The circuit specification are as follow: The voltage of high-voltage side is 750V. Voltage of low-voltage side is 15V and current is 100A. The maximum output power is 1.5kW. Expe

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23

Lusney, John Travis. "Novel Digital Controller for Multi Full-Bridge DC/DC Converter." Thesis, 2007. http://hdl.handle.net/1974/716.

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Distributed generation that utilizes 5-10kW Solid Oxide Fuel Cells requires power electronics to optimize the overall system efficiency while reducing the cost. The Adaptive Energy Zero-Voltage-Switching Phase-Shift-Modulated Full-Bridge (AE-ZVS-PSM-FB) topology meets these criteria under all loading conditions, but suffers from complexity associated with an analog control implementation. This thesis presents a novel Look-Up-Table (LUT) based digital controller required for such converter. The applied design approach also reduces the design time and controller requirements, which in turn de

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24

Huang, Kuo-Liang, and 黃國良. "Design and Implementation of an Isolated Full-Bridge Push-Pull Bi-directional DC/DC Converter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/30023359866536390227.

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碩士<br>國立中正大學<br>電機工程研究所<br>100<br>This thesis presents design and implementation of an isolated bi-directional DC/DC converter with high voltage input, high conversion ratio and high output power for DC power system applications. The topology of this converter is a full-bridge configuration at the high-voltage side and a push-pull configuration at the low-voltage side. In this converter, a dsPIC30F2023 chip realizes the functions of generation PWM signals, A/D conversion and circuit protection, etc. When the voltage at the low-voltage side is below the specified range, the converter is operate

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25

"Soft-Switching Techniques of Power Conversion System in Automotive Chargers." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.44235.

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abstract: This thesis investigates different unidirectional topologies for the on-board charger in an electric vehicle and proposes soft-switching solutions in both the AC/DC and DC/DC stage of the converter with a power rating of 3.3 kW. With an overview on different charger topologies and their applicability with respect to the target specification a soft-switching technique to reduce the switching losses of a single phase boost-type PFC is proposed. This work is followed by a modification to the popular soft-switching topology, the dual active bridge (DAB) converter for application requirin

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26

Chen, Guan-Hau, and 陳冠豪. "Design and Implementation of an Isolated Full-bridge Boost DC /DC Converter with an Active Clamp Circuit." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/4k7gn2.

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碩士<br>國立虎尾科技大學<br>航空與電子科技研究所<br>99<br>This thesis presents the design and implementation of an isolated full-bridge boost DC /DC converter with an active clamp circuit. The proposed converter is a current-fed full-bridge converter with high step-up ratio and high output power. Phase-shift control of the full-bridge switches is utilized to obtain soft-switching feature. In addition, this thesis proposes a flyback snubber to alleviate voltage spike, and to improve the efficiency of the converter in high power operation. Finally, a 1.7kW hardware has been implemented to verify the feasibility of

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27

Ismail, Nasser. "A single stage full bridge power factor corrected AC/DC converter." Thesis, 1996. http://spectrum.library.concordia.ca/193/1/MQ26004.pdf.

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Conventional single phase AC/DC converters use a two stage power configuration to provide a regulated DC power supply at high input power factor. Elimination of one of these stages can reduce the cost, weight, size, complexity and increase the overall reliability of this converter. This thesis proposes a single stage power factor correction converter circuit. This proposed converter circuit uses the traditional non-power-factor corrected circuit configuration with only few additional components. These are: an additional winding on the high frequency transformer, a small high frequency inductor

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28

Liao, Chang-Hung, and 廖長鴻. "Design and Implementation of a Bi-directional Full-Bridge DC-DC Converter for High Power Application." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/u42baf.

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碩士<br>國立臺北科技大學<br>電力電子產業研發碩士專班<br>98<br>This thesis is aimed to design a bi-directional full-bridge DC-DC converter for high power application, its buck and boost mode are implemented through phase-shift full-bridge and current-fed full-bridge circuit structure. To overcome the power limitation of high-frequency transformer, therefore multiple transformers connected in parallel are carried out to increase output power. A careful components placement and layout of power circuit are proposed to guarantee well current sharing among paralleled transformers and less leakage inductance. The proposed

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29

Kuo, Jin-Yu, and 郭晉宇. "DESIGN OF SOLAR POWER MAXIMUM POWER POINT TRACKING CONTROLLER AND DC-DC FULL BRIDGE CONVERTER WITH REAL-TIME IDENTIFICATION." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/76630365738652567397.

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30

Duarte, Rafael Eduardo Gomes. "Desenvolvimento dos conversores de potência para uma microrrede isolada baseada em energia eólica." Master's thesis, 2017. http://hdl.handle.net/1822/56552.

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Dissertação de mestrado em Engenharia Eletrónica e de Computadores<br>Atualmente, a energia elétrica é um bem essencial para o dia-a-dia de um ser humano. Para se poder usufruir desta forma de energia é necessário encontrar fontes capazes de a fornecer, estando estas, inicialmente muito dependentes de combustíveis fósseis. Uma vez que estes processos de extração de energia são extremamente poluentes, opta-se, cada vez mais, pela utilização de fontes mais limpas e com um tempo de reposição mais curto, tais como o Sol, o vento, o calor interno da Terra e a biomassa, sendo esta última não tão “li

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31

Ciou, Yi-Fan, and 邱逸凡. "A Single-phase Full-bridge Boost-buck AC/DC Converter with Adjustable Power Factor." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/38752q.

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碩士<br>國立虎尾科技大學<br>電機工程研究所<br>97<br>This thesis presents a novel single-phase full-bridge AC/DC converter is constituted by combining a single-phase full-bridge power circuit with and a DC SEPIC converter. Basically, it has several advantages such as boost/buck voltage, sinusoidal input current, adjustable power factor and low switching losses etc. A generalized zero vector(GZV) technique is applied to the proposed converter, such that the power circuit is integrated into a single stage. Digital control of the converter is implemented by VisSim software and TI DSP TMX320F2833 chip. Some advanta

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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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Servansing, Amish Ansuman. "A Parallel-Series Two Bridge DC/DC Converter for PV Power Conditioning Systems Used in Hybrid Renewable Energy Systems." Thesis, 2012. http://hdl.handle.net/1974/7076.

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This thesis presents a parallel-series two-bridge DC/DC converter topology with the ability to operate with ZVS over a wide input and load range. The intended application is power conditioning systems (PCS) of photovoltaic (PV) arrays used in hybrid renewable energy system architectures. The proposed topology provides two degrees of freedom which allows the PV-PCS to regulate the DC-link voltage, while tracking the maximum power point (MPP) of the PV array. This topology distributes the main power into two bridges and the phase-shift between the two bridges and provides another degree of freed

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