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Dissertations / Theses on the topic 'SMPS - switching-mode power supply'

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Published: 4 June 2021

Last updated: 16 February 2022

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1

Chew, W. M. "Optimum electromagnetic design for wound components in SMPS applications." Thesis, University of Bath, 1989. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328339.

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2

Olivík, Lukáš. "Elektromagnetická kompatibilita spínaných napájecích zdrojů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219851.

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The goal of this thesis is to design flyback converter with given parameters complying with standards for electromagnetic compatibility. This thesis describes detailed design of the flyback converter. It summarizes the recommendations for PCB design. Knowledge from number of comparative measurements of the impact of component selection on conducted emission signature was applied during the flyback converter design. Big part of the thesis is aimed on conducted emission measurement and separation of common mode and differential mode emissions. The simple and fast Time domain measurement of condu

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3

Doss, Gary Richard Jr. "Novel Intelligent Power Supply Using A Modified Pulse Width Modulator." Wright State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=wright1253576739.

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4

Baglan, Fuat Onur. "Design Of An Educational Purpose Multifunctional Dc/dc Converter Board." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12610103/index.pdf.

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In this thesis a multifunctional DC/DC converter board will be developed for utilization as an educational experiment set in the switched-mode power conversion laboratory of power electronic courses. The board has a generic power-pole structure allowing for easy configuration of various power converter topologies and includes buck, boost, buck-boost, flyback, and forward converter topologies. All the converters can be operated in the open-loop control mode with a switching frequency range of 30-100 kHz and a maximum output power of 20 W. Also the buck converter can be operated in voltage mode

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5

Li, Bo. "Conception et test de cellules de gestion d'énergie à commande numérique en technologies CMOS avancées." Phd thesis, INSA de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00782429.

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Les technologies avancées de semi-conducteur permettent de mettre en œuvre un contrôleur numérique dédié aux convertisseurs à découpage, de faible puissance et de fréquence de découpage élevée sur FPGA et ASIC. Cette thèse vise à proposer des contrôleurs numériques des performances élevées, de faible consommation énergétique et qui peuvent être implémentés facilement. En plus des contrôleurs numériques existants comme PID, RST, tri-mode et par mode de glissement, un nouveau contrôleur numérique (DDP) pour le convertisseur abaisseur de tension est proposé sur le principe de la commande prédicti

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6

Alc?ntara, Sara Maria Freitas de. "Desempenho de um painel fotovoltaico de baixa tens?o, acoplado ao prot?tipo de um conversor dc/dc topologia Booster." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15632.

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Made available in DSpace on 2014-12-17T14:58:04Z (GMT). No. of bitstreams: 1 SaraMFA.pdf: 4966448 bytes, checksum: 1ef74fa9275b2d2eb81d82fd6bcd301f (MD5) Previous issue date: 2010-06-18<br>Low voltage solar panels increase the reliability of solar panels due to reduction of in series associations the configurations of photovoltaic cells. The low voltage generation requires DCDC converters devices with high efficiency, enabling raise and regulate the output voltage. This study analyzes the performance of a photovoltaic panel of Solarex, MSX model 77, configured to generate an open circuit vol

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7

Wong, Fu Keung, and n/a. "High Frequency Transformer for Switching Mode Power Supplies." Griffith University. School of Microelectronic Engineering, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050211.110915.

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A power supply is an essential part of all electronic devices. A switching mode power supply is a light weight power solution for most modern electronic equipment. The high frequency transformer is the backbone of modern switched mode power supplies. The skin effect and proximity effects are major problems in high frequency transformer design, because of induced eddy currents. These effects can result in transformers being destroyed and losing their power transferring function at high frequencies. Therefore, eddy currents are unwanted currents in high frequency transformers. Leakage inductance

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8

Zhang, Dongbing. "Switching mode power supply noise source impedance measurement and EMI filter characterization." Thesis, Virginia Polytechnic Institute and State University, 1996. http://hdl.handle.net/10919/51922.

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The effectiveness of an EMI filter is closely related to the impedance of the noise source. Due to the time-varying nature of the noise source impedance of an offline power supply, the measurement of it cannot be done using conventional impedance measuring methods. Two new methods, the insertion loss method and the signal injection method, are proposed to perform such a measurement. The insertion loss method utilizes the EMI emission as a signal source and derives the source impedance by measuring the emission attenuation caused by an inserted impedance. The signal injection method injects a s

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9

Qu, Song. "Non-Intrinsic Differential-Mode Noise in Switching Power Supplies and Its Implications to EMI Filter Design." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/9788.

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Electromagnetic Interference (EMI) problems in switching power supplies have been traditionally treated with cut-and-try approaches. In recent years, advancement has been made to better understand the problems and minimize the cut-and-try portion of the design process. However, there are still phenomena difficult to explain in many practical design situations. Often, the problems may be solved by luck but many puzzles remain unsolved. If not fully understood, these puzzles are very likely to come back to haunt the designers. According to the conventional theory, there are two modes of nois

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10

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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11

Dias, Agnaldo Vieira. "Sistema de alimentação chaveado para modulador de pulsos com linha de retardo aplicado em sistema radar = Switching mode system to supply pulse modulators based in pulse forming network applied to radar." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258992.

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Orientador: Ernesto Ruppert Filho<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação<br>Made available in DSpace on 2018-08-21T00:56:13Z (GMT). No. of bitstreams: 1 Dias_AgnaldoVieira_M.pdf: 2229736 bytes, checksum: 725a7fa267bc30780c457689e4356336 (MD5) Previous issue date: 2012<br>Resumo: O estudo da utilização de conversores CC/CC isolados e elevadores de tensão para a alimentação de moduladores de pulsos é apresentado neste trabalho. Foi selecionada a topologia em ponte completa, dando-se enfoque ao problema das capacitâncias p

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12

Krška, Vlastimil. "Digitálně řízený spínaný napájecí zdroj." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219162.

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This master’s thesis is an introduction to switching mode power supplies, especially focused on digital control. It summarizes the basic topologies of switching mode power supplies, and discusses the fundamental issues of digital power supply control. It also summarizes basic informations about Piccolo microcontrolers, about experimental kit and about main parts of sample source code. Also is described here own implementation of the control law and the theory and implementation of maximum power point tracking. The conclusion of this thesis deals with implemantation a testing of the designed di

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Novák, Matyáš. "Návrh hardwaru řídící jednotky dieselového vstřikovacího systémuu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241161.

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This master’s thesis deals with the basic design of diesel injection control unit hardware. There is a description of the whole blocks of Motorpal Common Rail diesel injection system in the introduction. Next are described requirement of control unit hardware. In the following are descriptions of parts, which was choosed for adjustment. The second part of thesis describes the whole design of control unit wiring diagram. There is described each block in detail in this part. Next part describes component placement on printed circuit board. The conclusion of thesis compare designed version of con

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14

Johansson, Simon. "Design of power supplies for Piezo LEGS and SiC experiment : KTH Student satellite MIST." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196216.

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KTH is funding a project whose goal is to send a satellite into space. This project is called MIST (Miniature Student Satellite) which is assembled by a team of students at KTH. On the satellite there are experiments that are invented by other teams, in two of those experiments a power supply is required. This thesis is a technical investigation on how to design the power supply to both of those experiments, which are called SiC and Piezo LEGS. Piezo LEGS will investigate how their nanosized motors will behave and function in a space environment. SiC will investigate how their silicone carbide

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15

Španěl, Petr. "Spínané zdroje." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-433024.

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This thesis deals with switched mode power supplies based on resonant principle to achieve high efficiency. Several ways of switched mode power supplies optimalisation are described as part of the work to achieve better efficiency. Priparily, the new generation of switching elements based on SiC and resonant topology are used to achieve significant switching loss minimization. The selected resonant topology is simualted in detail and then built with focus on high efficiency. The main content of the work consists in the design and realization of the switched mode power supply with selected cont

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Pešl, Jiří. "Spínaný zdroj se spínáním při nulovém napětí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242009.

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Diploma thesis describes the design of an switched mode power supply with switching at zero voltage for driving the anode of Anode-layer type ion source. First aim of thesis is ion sources and specialy Anode-layer type of ion source in detail. Main aim of thesis are important aspects of the design of switching mode power supply, which comes later the detailed construction of an switched mode power supply with output voltage 2800 V at output power 2800 W.

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17

Mallangi, Siva Sai Reddy. "Low-Power Policies Based on DVFS for the MUSEIC v2 System-on-Chip." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-229443.

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Multi functional health monitoring wearable devices are quite prominent these days. Usually these devices are battery-operated and consequently are limited by their battery life (from few hours to a few weeks depending on the application). Of late, it was realized that these devices, which are currently being operated at fixed voltage and frequency, are capable of operating at multiple voltages and frequencies. By switching these voltages and frequencies to lower values based upon power requirements, these devices can achieve tremendous benefits in the form of energy savings. Dynamic Voltage a

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18

Tarulli, Massimo. "New Generation of Programmable Neuroprostheses - Switched Mode Power Supply Functional Electrical Stimulator." Thesis, 2009. http://hdl.handle.net/1807/30133.

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Functional electrical stimulation (FES) devices have direct applications in the realm of rehabilitation engineering, physiotherapy, occupational therapy and medicine for research, diagnostic and therapeutic purposes. This thesis presents a novel electrical stimulator for use in a FES system. The stimulator produces regulated current pulses using two switched mode power supplies (SMPS) in series. The first power stage - a flyback converter - steps up the supply voltage using primary side digital control. The second power stage is a buck converter with output current hysteretic control. An

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19

Frost, Damien F. "A PFC Power Supply with Minimized Energy Storage Components and a New Control Ttechnique for Cascaded SMPS." Thesis, 2012. http://hdl.handle.net/1807/33727.

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This Master of Applied Science thesis proposes a new design of low power, power factor corrected (PFC), power supplies. By lifting the hold up time restriction for devices that have a battery built in, the energy storage elements of the converter can be reduced, permitting a small and inexpensive power converter to be built. In addition, a new control technique for controlling cascaded converters is presented, named duty mode control (DMC). Its advantages are shown through simulations. The system was proven using a prototype developed in the laboratory designed for a universal ac input voltage

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20

Santiago, Alekssander Gomes. "Melhoria do desempenho das lâmpadas LED através de novo conceito de design, conceção, fabrico e utilização." Master's thesis, 2016. http://hdl.handle.net/10400.26/19028.

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Este projeto apresenta o conceito de um produto (Casquilho Eletrónico Ativo e Base Eletrónica Ativa) para aplicação em iluminação geral com tecnologia de Luz em Estado Sólido, mais conhecida por LED, acrónimo inglês para Light Emitting Diode (díodo emissor de luz). Neste produto, através de simples reestruturação da construção das lâmpadas, sem desenvolvimento de novas tecnologias, é alcançada a melhoria da eficiência das lâmpadas, melhoria do desempenho, aumento da fiabilidade e do tempo de vida. É também obtida a redução dos custos de fabrico, comercialização e reposição do produto em

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21

Chiu, Jung-kuei, and 邱榮貴. "Implementation of a ZVS switching mode power supply." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/34021582239504601377.

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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>94<br>The objective of this thesis is to design and implement a ZVS switching mode power supply based on forward converter topology. The active clamp forward converter is one of the most popular converters using the active clamp technique. To compare with the transformer reset winding and passive RCD clamp circuit applied in conventional forward converter, the advantages of active clamp technique are including: lower voltage stress on the main power switch, the ability to switch at zero voltage, reduced EMI and duty cycle operation above 50%. The basic operation

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Liou, Fong-Chang, and 劉豐章. "Implementation for Switching-Mode Power Supply EMI Filter." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/24104492656536145022.

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碩士<br>國立成功大學<br>電機工程學系<br>87<br>An investigation of the electromagnetic interference (EMI) filters design for the switching-mode power supply is proposed in this thesis. This begins with an introduction of the conducted interference caused from switching-transistors, transformers, rectifier diodes, during the switching process in a switching-mode power supply. It is followed by an examination to the design scheme and procedure of EMI filters in anticipation to solve such problems. A laboratory test has also been performed through the experimental analysis using a 250W switching-mode power supp

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23

SHI, KE-GING, and 史可慶. "Design of current-mode-controlled full-bridge switching-mode power supply." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/09462051205628044715.

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wen, chen kao, and 陳高文. "Realization Technology Study of Switching Mode Rectifier Power Supply." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/73100926365119126967.

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碩士<br>義守大學<br>電子工程學系<br>90<br>This thesis studies the design and implementation of a power factor corrector (PFC) for telecommunication switching mode rectifier power supply. In order to improve the power factor of the input ac source, a high power factor boost-type circuit was designed. Control IC is using UC3854. The controlling method is average current mode, operating at a fixed switching frequency. The design procedures of power device are also introduced in the thesis. Finally, a PFC was manufactured with the specifications: Vin=80~270Vac/60Hz, VO=400Vdc, PO=1000W and f=45KHz. Experiment

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Shen, Wei-Chih, and 沈煒智. "Development of a Noncontact Switching Mode DC Power Supply." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/58111844930599278199.

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碩士<br>國立清華大學<br>電機工程學系<br>94<br>Loosely coupled inductive power transfer system is designed to deliver power efficiently from a stationary primary source to one movable secondary load over relatively large air gap via magnetic coupling without wires and connectors. It has advantages of avoiding the dangers of sparking and the risk of electrical shocks. However, the research and development about this technology is quite limited at present in this country. Considering its potential development and applications in the future, it is vary worthy to study and explore the fundamental principle and d

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26

Chiu, Yu-Kui, and 邱鈺貴. "The Green Modified Switching Power Supply By Using Low Voltage Switching Mode." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/13076181578893285675.

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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>96<br>This report analyzes traditional flyback power supply design and the modification involved to comply with the latest environmental by laws. By using LVS mode to increase the overall product efficiency and reduce the standby power consumption; The data and efficiency comparisons are then made with the power analyzer between the original and the green mode modified models, which can be applied to ensure compliance with CEC level IV and even the upcoming stricter ENERGY STAR® version 2.0 regulation; The quality of the product can be optimized and the cost fo

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Chen, Zhong-Ping, and 陳忠平. "Study and Realization of Telecommunications Switching Mode Rectifier Power Supply." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/84190408260406019275.

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碩士<br>義守大學<br>電子工程學系<br>91<br>The purpose of this thesis is to design and implement a telecommunications switching mode rectifier power supply. We will examine the technology in realizing single-module 150~260V input, 48V/50A output power supply. The implemented system will be capable of the merits including high power density, high power factor, fast response to load variations, and low electromagnetic interference etc.

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Chu, Ping-Hsum, and 朱炳勳. "The Study of AC to DC Switching mode Power Supply." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/12690602207808324569.

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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>94<br>This thesis studies the power factor correction（PFC）for AC/DC converter, the half-brideg series-paralle resonant converter and the single-stage active clamp converter. In power factor correction circuit the boost converter is operating at the boundary conduction mode. The boundary method is’nt suitable for high power applications because the inductor and switch peak current are twice theca input current peak value. A half-bridge series-parallel resonant converter operated at the inductive load is disussed. In this way the transistors turn on at zero voltage.

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Jhong, Jian-Yao, and 鍾建堯. "Analysis and Implementation of Interleaved ZVS Switching Mode Power Supply." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/97788097673226154576.

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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>99<br>This dissertation presents an interleaved ZVS switching mode power supply. The active clamp technology are used in the adopted zeta-flyback and the non-isolated boost converters. Active clamp circuit is connected in parallel with the primary side of the isolation transformer to recycle the energy stored in the leakage inductor of isolated transformer and to limit the peak voltage stress of switching devices. Thus the ZVS turn-on feature of power switches can be achieved to alleviate the switching losses on the primary side of the isolation transformers. The

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Lin, Wen-Hsin, and 林文信. "A Study in Performance Improvement of Low-Power Switching Mode Power SupplyA Study in Performance Improvement of Low-Power Switching Mode Power SupplyA Study in Performance Improvement of Low-Power Switching Mode Power Supply." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/82453183666610198843.

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碩士<br>國立高雄應用科技大學<br>電機工程系<br>99<br>This thesis examines the power converter framework, and adopt the flyback converter is a schema. Used with a new analog PWM control IC (TEA1532) of Fixed Frequency Mode and Cycle Skipping Mode. Design of a range of input voltages of 90VAC to 264VAC, input frequency 47Hz arrives at 63Hz, output voltage +24VDC, total power output 25W, and conforms to the energy laws and regulations. In the article except for one of the important components for the provision of detailed design, characteristics of prototype machine authentication, to results and its comparison wi

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Shei, Chein-Kuo, and 徐健國. "Reduction of EMI by Frequency Modulation in Switching Mode Power Supply." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/74072160249018729491.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>93<br>Employing frequency modulation techniques for EMI reduction in switching converters was reported some years ago and the techniques have been gaining some momentum in actual product applications. There were different modulating schemes reported, including sine-wave modulation, triangular wave modulation, random modulation and bi-frequency modulation. However, the results reported were mostly focused on the mathematical analysis of the resulting EMI spectrum without much discussion on the side effects of the schemes on converter performances. In this thesis, t

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Shih, Cheng-Te, and 施承德. "Study on the Flyback Converter for a Switching Mode Power Supply." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/7v8g8h.

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碩士<br>國立臺北科技大學<br>電資碩士班<br>96<br>Flyback converter is the best choice for the low power DC-to-DC switching mode power supply in modern industry. Both low cost and simple circuit structure are enough to explain its great popularity. This thesis is based on the topology of Flyback converter, the control integrated circuit UC3844 as a pulse width modulation has been employed to set up one 24 watts low power Flyback converter model. In simulation, utilize the help of EDA software, namely PowerSim, to be done in order to simulate the circuit. With the design of circuit, probe into the influence deg

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Kuei, Chiang Yew, and 江衍奎. "Quality Ensure Study of Switching Power Supply Development Using Failure Mode." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/47631699276200603106.

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碩士<br>聖約翰科技大學<br>工業工程與管理系碩士在職專班<br>101<br>Switching power supply is the major driver of consumer electronic products. Electronic products cannot be operated safely without stable quality of switching power supply. It focuses on examining reliability and failure status at design stage of switching power supply in order to correcting design problem before official manufacture. It can improve product quality and become key advantage for manufacturer. This study will be emphasized on collecting, clarifying and resulting problems on products design stage. Furthermore, it will conclude an effective

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LIN, MU-SEN, and 林木森. "Stability analysis and design of current-mode controlled push-pull switching mode power supply." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/86484870442303535312.

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LI, YU-GUAN, and 黎育冠. "Modeling, analysis and design of a pulsewidth modulated switching mode power supply." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/48168009041099924589.

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SHENG, HUANG YUNG, and 黃永昇. "Estimation for Equivalent Model of Common Mode Noise Source of Switching Power Supply." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/56791020758884110004.

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Lin, Yu-Hung, and 林宇宏. "Realization Study of an Instrument-used Switching-Mode Power Supply with Adjustable Output." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/26070923884181025453.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>88<br>The thesis is to research and implement an instrument-used switching-mode power supply (ISMPS) with output voltage and current adjustable. The ISMPS is composed of an EMI filter, a power factor corrector (PFC), and a DC/DC converter. The DC/DC converter is constructed by phase-shifted full-bridge (FB) converter with zero-voltage-switching (ZVS) technique. The control strategy is designed to be capable of constant voltage (CV) mode and constant current (CC) modes，which are built by voltage-adjust control (VAC) and current-limit control (CLC). A linear regulator

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Lee, Yao-An, and 李曜安. "Optimal Design of a 150W Switching Mode Power Supply with Power Factor Corrector by Taguchi Method." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/37424883961410671332.

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碩士<br>逢甲大學<br>資訊電機工程碩士在職專班<br>99<br>Power factor and efficiency are the basic indicators for both of power quality and power saving. To attain these two factors in switching power mode supply design is the goal of power engineers. The most effects are the setting of initial parameters. The Taguchi method is proposed to implement shortcut for optimal design, with minimal number of experiments to obtain optimal results. For a 150W switching mode power supply case, Taguchi method is adopted for optimal design and the present international norms can be satisfied.

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HE, ZONG-YU, and 何宗諭. "The analysis and design of EMI filter for multi-output switching mode power supply." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/76408739317956073437.

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CHI, TSAI YU, and 蔡祐淇. "Control Strategies for Multiple Instrument-used Switching-Mode Power Supply in Parallel with Adjustable Output." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/62905459961507313704.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>89<br>This thesis presents control strategies for multiple instrument-used switching-mode power supply (MISMPS) in parallel with adjustable output. The MISMPS is composed of an EMI filter, a power factor corrector, a DC/DC converter, and a control system. The DC/DC converter is constructed by a phase-shifted full-bridge (PS-FB) converter with the zero-voltage-switching (ZVS) technique. The control strategy is designed to be capable of constant voltage (CV) mode and constant current (CC) mode, which are built by the voltage-adjustment control (VAC) and the current-lim

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Chu, Hsin-Yu, and 朱星諭. "A STUDY OF OUTPUT ADJUSTABLE SWITCHING-MODE HIGH POWER DC POWER SUPPLY WITH HIGH EFFICIENCY AND LOW VOLTAGE REGULATION." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/57531397563916727568.

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碩士<br>大同大學<br>電機工程研究所<br>89<br>The purpose of this thesis is to develop a high output power, adjustable switching-mode DC power supply with high efficiency, low ripple factor, and low voltage regulation. The system consists of a 3φ AC controller, a 3φisolating transformer, and DC output active compensating filters. The 3φ switching-mode AC controller with PWM control takes charge of the variable output voltage. A 3φ transformer used for isolating the load and source, and filtering out high frequency harmonics by its inductance effect. The DC output active compensating filter takes c

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WU, QI-XU, and 吳其旭. "The analysis of multi-output switching mode power supply using magamp as the post-regulator controller." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/56786011558690801866.

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LU, CHUN-HUI, and 呂俊輝. "A Research of Using Data-Mining Techniques in Manufacture Process Failure Mode--A Case Study of Switching Power Supply Manufacturers." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/66032324033933153686.

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碩士<br>銘傳大學<br>資訊管理學系碩士在職專班<br>100<br>Due to global climate warm up, the awareness of environmental energy-saving is rising. Designer has to focus on energy-saving criteria as design the power supply equipment. Moreover, the electronic products change into light, thin, and small, result in lifting up the quality control of material and production process. The raw material used in power supply product is complicated, caused many failure roots. Under the influence of various factor interaction, increasing the complexity relatively. It is difficult to find out the process root cause as any quality

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Swaminathan, B. "Resonant Transition Topologies For Push-Pull And Half-Bridge DC-DC Converters." Thesis, 2004. http://hdl.handle.net/2005/317.

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Switched mode power supplies (SMPS) are being extensively used in most power conversion processes. The analysis, design and modeling processes of hard-switched converters are mature, where the switching frequency was limited to a few 10's of kHz. The present direction of evolution m SMPS is towards higher efficiency and higher power density. These twin objectives demand high switching frequency and low overall losses. Soft switching results in practically zero switching losses and extends the switching frequency to 100's of kHz and beyond. This thesis presents novel variants of push-pull and

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Lakshminarasamma, N. "A New Family Of Soft Transition DC-DC Converters." Thesis, 2007. http://hdl.handle.net/2005/613.

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Switched mode power supplies (SMPS) have found wide spread acceptance in all power processing applications. The design demand is moving towards higher power densities. For reduction in size and weight, it is imperative to process the power at a higher switching frequency. High switching frequency requires soft switching techniques to reduce the switching losses. Several families of soft switching converters have emerged in the past two decades. Analysis and modelling methods have been proposed in relation with these topologies. Active clamp converters are the recently introduced soft switchin

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