Relevant bibliographies by topics / DC-DC SEPIC converters / Dissertations / Theses
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Dissertations / Theses on the topic 'DC-DC SEPIC converters'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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1

Li, Nan. "Digital control strategies for DC/DC SEPIC converters towards integration." Phd thesis, INSA de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00760064.

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The use of SMPS (Switched mode power supply) in embedded systems is continuously increasing. The technological requirements of these systems include simultaneously a very good voltage regulation and a strong compactness of components. SEPIC ( Single-Ended Primary Inductor Converter) is a DC/DC switching converter which possesses several advantages with regard to the other classical converters. Due to the difficulty in control of its 4th-order and non linear property, it is still not well-exploited. The objective of this work is the development of successful strategies of control for a SEPIC co
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2

Dasari, Anuroop Reddy. "The steady-state analysis of the non-isolated and isolated type SEPIC PWM DC-DC converters for CCM." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1599672947653384.

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3

Chotikorn, Nattapong. "Implementations of Fuzzy Adaptive Dynamic Programming Controls on DC to DC Converters." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505139/.

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DC to DC converters stabilize the voltage obtained from voltage sources such as solar power system, wind energy sources, wave energy sources, rectified voltage from alternators, and so forth. Hence, the need for improving its control algorithm is inevitable. Many algorithms are applied to DC to DC converters. This thesis designs fuzzy adaptive dynamic programming (Fuzzy ADP) algorithm. Also, this thesis implements both adaptive dynamic programming (ADP) and Fuzzy ADP on DC to DC converters to observe the performance of the output voltage trajectories.
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4

Jaafar, Ali. "Contribution à la modélisation, l'analyse et l'optimisation de lois de commande pour convertisseurs DC-DC de puissance." Phd thesis, Supélec, 2011. http://tel.archives-ouvertes.fr/tel-00644419.

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L'utilisation des convertisseurs de puissance pour des applications de la vie quotidienne devient de plus en plus importante. Les applications technologiques actuelles demandent simultanément un haut niveau de précision et de performance, ainsi les convertisseurs DC-DC ont un rôle très important dans les systèmes nécessitant la conversion et l'adaptation du niveau d'énergie. Nous nous intéressons dans le cadre des travaux de cette thèse à une analyse des approches de modélisation et de synthèse de loi de commande permettant d'assurer la stabilité et un certain niveau de performances dans l'ens
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5

Yilmaz, Hasan. "Design, Application And Comparison Of Single Stage Flybackand Sepic Pfc Ac/dc Converters For Power Led Lighting Application." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12615097/index.pdf.

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In this work, single stage power factor corrected AC/DC converters for LEDs<br>single stage Flyback converter having different configuration from the traditional Flyback and single stage SEPIC converter is investigated. The study involves analysis, circuit design, performance comparisons and implementation. The study covers LEDs<br>their developments, characteristics and state-of-art in this new technology. The circuits are investigated by means of computer simulations. Operating principles and operating modes are studied along with design calculations. After applying prototypes in laboratory,
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6

Costa, Neto Antônio de Oliveira. "Análise e Desenvolvimento de um Retificador Trifásico de 12 Pulsos com Autotransformador e Conversores SEPIC Isolados." Universidade Federal de Uberlândia, 2018. http://dx.doi.org/10.14393/ufu.di.2018.179.

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CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Com o constante aumento de componentes eletrônicos inseridos nas diversas áreas da eletrônica na atualidade, torna-se evidente a preocupação de elevados distúrbios harmônicos de corrente na qualidade da energia. Este trabalho tem a finalidade de abordar uma das alternativas para reduzir esse problema, desenvolvendo um retificador de 12 pulsos com dois conversores CC-CC SEPIC de 500 W em cada retificador, com isolação galvânica, operando em condução contínua e com elevado fator de potência e baixa distorção harmônica na corr
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7

Kovář, Jan. "Metody pro řešení spínaných obvodů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-233575.

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The dissertation deals with simulations of the DC-DC converters in their basic configurations (Buck, Boost, Buck-boost, Cuk, SEPIC). In the first part of the thesis derivation of transfer functions Line-to-Output (LTO) and Control-To-Output (CTO) can be found. These symbolic responses are derived for three types of basic converters (Buck, Boost, Buck-boost) using well-known average model [1]. Derived expressions are very complicated. For reduction of these expressions symbolic approximation method was used, however the generality is lost. The average model was used to for decreasing the comput
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8

Kou, Martin. "Energy Harvesting from Elliptical Machines: DC-DC Converter Design Using SEPIC Topology." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/753.

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Cal Poly’s ongoing Energy Harvesting from Exercise Machines (EHFEM) project is a very convenient and cost-effective way for generating DC power from physical exercise and sending it back to the electrical grid as AC power, providing a renewable energy source for the future. The EHFEM project consists of numerous subprojects involving converting different types of exercise machines for power generation. This project is a continuation of one of the previous subprojects, specifically involving an elliptical machine, and focuses on improving system functionality at different machine settings witho
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9

Nathan, Kumaran Saenthan. "A novel DC-DC converter for photovoltaic applications." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/288881.

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Growing concerns about climate change have led to the world experiencing an unprecedented push towards renewable energy. Economic drivers and government policies mean that small, distributed forms of generation, like solar photovoltaics, will play a large role in our transition to a clean energy future. In this thesis, a novel DC-DC converter known as the Coupled Inductors Combined Cuk-SEPIC' (CI-CCS) converter is explored, which is particularly attractive for these photovoltaic applications. A topological modification is investigated which provides several benefits, including increased power
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10

Pospíšil, Josef. "Vývoj a ověření DC/DC měniče pro budoucí automobilové osvětlovací systémy s palubním napětím 48V." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377150.

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The aim of this master thesis is to describe the requirements put on electronics and headlights within car industry, above all on the newly emerging 48V power network. In the thesis the principles of chosen DC/DC buck converter topologies are briefly described. In the next part of this thesis the converters are designed and manufactured. Further, the EMC chamber measurement of these converters and their subsequent evaluation is performed. In the last part the proposed converters are compared and evaluated.
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11

Vičar, Ondřej. "Systém napájení s vysokou účinností pro mobilní zařízení." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221158.

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This Master’s thesis is focused on design of voltage converter’s system operating with supply voltage of batteries. There are selected appropriate types of batteries, converter topologies and modes of their control. The specified output branches are systematically divided into three separate modules. Each module is designed in detail with focus on high efficiency. The modules are implemented and optimized. Parameter of final modules were measured and compared with correctness of design and theoretical assumptions.
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12

Loup, Martin. "Modely stejnosměrných tranzistorových měničů v programu Simulink." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-412975.

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The master’s thesis is focused on the creation of models of DC/DC converters and control program for input parameters and their configuration. The first part is theoretical and she is dedicated to the description of the program Matlab. The second chapter is dedicated to DC/DC converters. Their function is described there and the necessary equations for the design are derived. All of this is complemented by the calculation of line losses in semiconductor elements and the design of voltage and current regulator. The last two parts deal with the description of the created models in Simulink and c
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13

Sedláček, Michal. "Regulovatelný zdroj napájený a řízený pomocí USB." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220090.

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Master thesis deals with design controllable switching power source. Device is supplied and controlled via USB bus of PC. The required output parameters are specified by user in a computer application. The teoretical part includes method of USB communication and introduction to switching power sources with focus on a Sepic topologii. The practical part describe individual circuit solution which contains of a complete device. Is analyzed in detail the proposal Sepic converter circuit and controling by microcontroller. The work also includes the design of microcontroller and computer application
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14

Chen, Jia-Bin, and 陳嘉斌. "Analysis and Design of Interleaved SEPIC AC-DC Converters." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/88926731816033535884.

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碩士<br>國立成功大學<br>電機工程學系碩博士班<br>96<br>In this thesis, interleaved SEPIC ac-dc converters are analyzed and designed. Since the SEPIC converter provides a positive-polarity regulated output voltage with respect to the common terminal of the input voltage, the SEPIC converter applied as a power factor corrector become feasible. Interleaving control is achieved by the time-shift between two SEPIC converter to supply more power to the load. The topologies of typical and interleaved SEPIC are discussed, and the operating principles and design process are also studied in the thesis. Finally, a laborato
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15

Huang, Gwo-Jiun, and 黃國鈞. "Modeling and Implementation of a Novel Three-phase Sepic-type AC/DC Converters." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/22346602978756115671.

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16

Tsai, Bing-Shiun, and 蔡秉勳. "A High Step-Up DC-DC Converter using the Integrated Boost-Sepic -Forward Converter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/68121523645256319175.

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碩士<br>國立高雄應用科技大學<br>電機工程系博碩士班<br>101<br>In this thesis, a novel high step-up boost converter with non-isolator type is proposed. This circuit topology of the proposed converter is composed of three conventional converters: boost, sepic and forward converters with cascade connect such that a high step-up voltage gain with an appropriate duty ratio can be obtained. Besides, the converter has the advantages that the leakage inductance energy can be recycled, and the voltage stress and power loss can be reduced with a passive voltage clamp characteristic. In addition, the reverse-recovery problem
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17

Ku, Chen-Hsuan, and 古振玄. "A Study of Bi-directional Energy Transfer Sepic-Flyback DC-DC Converter." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/34258735292731805863.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>94<br>Abstract The thesis is regarded to the research in Sepic-Flyback converter of bi-directional energy transfer based on continuous mode. The framework of Sepic-Flyback converter is a buck-boost of segregation to achieve power transfer by utilizing a magnetizing inductance and a coupling capacitance. The emphasis of the design of the circuit is the combination of Sepic converter and Flyback converter. There must be applicable gap in the transformer core to prevent saturation and balance DC component. The circuit control adopts open loop to gain excellent voltage
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18

Zhao, Ruichen. "A multiple-input single ended primary inductor converter for modular micro-grids with hybrid low-power sources." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-1160.

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This thesis studies a multiple-input single ended primary inductor converter (MI SEPIC) topology. The configuration allows the integration of different low-power distributed generation sources, such as individual photovoltaic modules, fuel cells, and small residential wind generators, into a common dc main bus. The current source interface allows the integration of all types of sources without the addition of filters; sources that require a nearly constant input current, such as fuel cells. In addition to discussing the circuit’s main models and operation, the thesis evaluates the stability un
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19

Chou, Yin-hsuan, and 周寅瑄. "Analysis and Design of a Current-Sensorless Synchronous Rectification Power Factor Correction SEPIC Converter Applying to Brushless DC Motors." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/40113108826944328553.

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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>101<br>This thesis presented a current-sensorless synchronous rectification PFC SEPIC converter applying to the brushless DC motors. To simplify control and improve efficiency, a PFC SEPIC converter with no current sensor but with synchronous rectification is proposed. Through the relationship of the input voltage and output voltage, the duty ratio of the synchronous rectifier switch can be calculated without any current sensing elements and cost can be reduced. In order to avoid the conduction time overlap of the main switch and the synchronous rectifier switch,
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