Дисертації з теми "High Voltage High Pulse Power Switch"
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Zemánek, Miroslav. "Užití výkonových měničů ve zdrojích vysokého napětí." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-233463.
Повний текст джерелаRodriguez, John Israel 1972. "Distributing switch circuits for high voltage pulse applications." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80609.
Повний текст джерелаIncludes bibliographical references (p. 145).
by John Israel Rodriguez.
M.Eng.
Norgard, Peter. "Development of a gigawatt repetitive pulse modulator and high-pressure switch test stand and results from high-pressure switch tests." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4584.
Повний текст джерелаThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 22, 2009) Includes bibliographical references.
Davari, Pooya. "High frequency high power converters for industrial applications." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/62896/1/Pooya_Davari_Thesis.pdf.
Повний текст джерелаZabihi, Sasan. "Flexible high voltage pulsed power supply for plasma applications." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/48137/1/Sasan_Zabihi_Sheykhrajeh_Thesis.pdf.
Повний текст джерелаCooperstock, David Michael. "Design, construction, and implementation of a high voltage, pulsed power test bed for the study of GaAs and SiC optically triggered switches /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1421126.
Повний текст джерелаBenwell, Andrew L. "Flashover prevention on polystyrene high voltage insulators in a vacuum." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5018.
Повний текст джерелаThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on March 18, 2008) Includes bibliographical references.
Hibbard, John Arthur 1959. "A HIGH VOLTAGE D.C. PULSE SYSTEM AND ASSOCIATED ATHERMAL, IN VITRO EXPERIMENTS (POWER, SHORT, SYNERGISM)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275500.
Повний текст джерелаLindblom, Adam. "Inductive Pulse Generation." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6699.
Повний текст джерелаNami, Alireza. "A new multilevel converter configuration for high power and high quality applications." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/33216/1/Alireza_Nami_Thesis.pdf.
Повний текст джерелаJalili, Kamran. "Investigation of Control Concepts for High-Speed Induction Machine Drives and Grid Side Pulse-Width Modulation Voltage Source Converters." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A25053.
Повний текст джерелаJalili, Kamran. "Investigation of control concepts for high speed induction machine drives and grid side pulse width modulation voltage source converters." Doctoral thesis, Berlin mbv, 2009. http://d-nb.info/995880107/04.
Повний текст джерелаPtáček, Karel. "Vysokonapěťové struktury pro galvanickou iziolaci v integrovaných obvodech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-417477.
Повний текст джерелаGhasemi, Negareh. "Improving ultrasound excitation systems using a flexible power supply with adjustable voltage and frequency to drive piezoelectric transducers." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/61091/1/Negareh_Ghasemi_Thesis.pdf.
Повний текст джерелаBoutry, Arthur. "Theoretical and experimental evaluation of the Integrated gate-commutated thyristor (IGCT) as a switch for Modular Multi Level Converters (MMC)." Thesis, Lyon, 2021. http://www.theses.fr/2021LYSEI095.
Повний текст джерелаA study on Integrated gate-commutated thyristors (IGCT) di/dt limiting inductance and RCD-clamp reduction/suppression using plastic module silicon (Si) fast recovery diodes and silicon carbide (SiC) diodes, in Modular Multilevel Converters (MMC). This PhD contains:- Analysis of existing HVDC MMC Submodules.- Assessment of the interest of the IGCT in HVDC MMC Submodules and losses comparison with IGBTs, using MMC-specific figures-of-merit created in this thesis.- Double pulse test with fast recovery diode in plastic module to attempt to reduce and suppress the limiting di/dt inductor.- Packaging of High-Voltage High-Current SiC PiN diode dies, test with IGCT in the same setup to attempt to reduce and suppress the limiting di/dt inductor and analyze the specificities of the SiC diode in this setup
Imbert, Tony. "Caractérisation de la rigidité diélectrique de fluides et d'une roche en fonction de leur conductivité, de la température et de la pression." Thesis, Pau, 2019. http://www.theses.fr/2019PAUU3036.
Повний текст джерелаThe global energy emergency requires more energy-efficient systems. In addition, it is necessary to make an energy transition to technologies that emit less greenhouse gases. For these reasons, pulse power technologies will have a role to play in tomorrow’s energy mix.Many resources are located below the surface of our planet (water, gas, fossil fuels, precious minerals, geothermal energy...). In addition, the urbanization of our cities with the development of means of transport, wastewater treatment, electricity and heat networks pushes us to exploit the underground space. For this operation, the implementation of industrial methods is inevitable in allowing a fast, energy-efficient and low-cost production. However, current methods of crushing, fracturing or drilling encounter a low production rate when processing hard and abrasive rocks. The fracturing method called electric fracturing could be an alternative method. This method uses electrical discharges in fluids to crush rocks.The purpose of this thesis is to establish an experimental database for understanding, predicting and optimizing the process. In particular, the influence of all parameters related to both the properties of the medium (temperature, conductivity and pressure) and the characteristics of the electrical circuit on the insulators dielectric strength tested must be studied. Particular attention is paid to controlling the phenomenology of the landfill under these experimental conditions.In this manuscript, electrical discharges are characterized on the basis of experimental tests that are interpreted through theoretical studies and numerical simulations. First, the minimum voltage required to initiate an arc is determined by the U50 method and its associated energy consumption is calculated. These tests are performed both according to the internal parameters of the pulse system (stored energy, supply voltage and electrode geometry) and also according to external parameters (conductivity, pressure and temperature of the medium). In a second step, the electric field threshold that allows to change the breakdown mode is determined according to the parameters external to the pulse system. This transition from subsonic to supersonic mode is determined from the propagation time of the electrical discharge and the energy consumption during the pre-arc phase. The conditions leading to the initiation of the electric arc in fluids or rocks are compared. Particular attention is paid to the arc resistance and maximum current that define the power transmitted in the medium
Tejmlová, Lenka. "Laboratorní zdroj s vysokou účinností." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219100.
Повний текст джерелаMejecaze, Guillaume. "Analyse des destructions d'alimentations électroniques soumises à un courant impulsionnel fort niveau." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0204.
Повний текст джерелаFor thirty years, the threat of electromagnetic pulses caused by a high-altitude nuclear explosion (NEMP / HEMP) is still an actual concern in the field of security and safety. NEMP couples efficiently on aerial lines of the electricity network allowing to supply houses and factories. Once coupled to these lines, the generated interference can then be propagated to the first encountered systems and disturb or destroy them. In most cases, these systems are household or industries appliances power supplies. In this context, destruction effects of electronic power supplies due to high level current pulse injectionare studied thanks to an injection generator called PIC for Current Injection Platform. A flyback switch mode power supply (SMPS), representative of a majority of common power supplies, has been designed for the thesis in order to fully control its topology and components. The most susceptible components in SMPS have been identified and have been destroyed due to a too high level current over an excessive duration compared to their maximum ratings. These understandings have been supported by X-rays and optical microscope analyzes. These ones allowed to provide first hypotheses on their destruction cause, which were then confirmed by current and voltage measurements on each component during the pulse injection. Finally, PIC and the designed SMPS have been modeled using a Spice electronic simulation software. This thesis is the first step of a work whose final objective is to model the susceptibility of SMPS in order to predict their destruction level
Mogniotte, Jean-François. "Conception d'un circuit intégré en SiC appliqué aux convertisseur de moyenne puissance." Thesis, Lyon, INSA, 2014. http://www.theses.fr/2014ISAL0004/document.
Повний текст джерелаThe new SiC power switches is able to consider power converters, which could operate in harsh environments as in High Voltage (> 10kV) and High Temperature (> 300 °C). Currently, they are no specific solutions for controlling these devices in harsh environments. The development of elementary functions in SiC is a preliminary step toward the realization of a first demonstrator for these fields of applications. AMPERE laboratory (France) and the National Center of Microelectronic of Barcelona (Spain) have elaborated an elementary electrical compound, which is a lateral dual gate MESFET in Silicon Carbide (SiC). The purpose of this research is to conceive a monolithic power converter and its driver in SiC. The scientific approach has consisted of defining in a first time a SPICE model of the elementary MESFET from electric characterizations (fitting). Analog functions as : comparator, ring oscillator, Schmitt’s trigger . . . have been designed thanks to this SPICE’s model. A device based on a bridge rectifier, a regulated "boost" and its driver has been established and simulated with the SPICE Simulator. The converter has been sized for supplying 2.2 W for an area of 0.27 cm2. This device has been fabricated at CNM of Barcelona on semi-insulating SiC substrate. The electrical characterizations of the lateral compounds (resistors, diodes, MESFETs) checked the design, the "sizing" and the manufacturing process of these elementary devices and analog functions. The experimental results is able to considerer a monolithic driver in Wide Band Gap. The prospects of this research is now to realize a fully integrated power converter in SiC and study its behavior in harsh environments (especially in high temperature > 300 °C). Analysis of degradation mechanisms and reliability of the power converters would be so considerer in the future
Adabi, Firouzjaee Jafar. "Remediation strategies of shaft and common mode voltages in adjustable speed drive systems." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/39293/1/Jafar_Adabi_Firouzjaeel_Thesis.pdf.
Повний текст джерелаKe, Chih Wei, and 柯智偉. "Development of a High-Frequency High-Voltage Pulse Power Supply System." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/03556125194806504443.
Повний текст джерела南台科技大學
電機工程系
97
This thesis discusses control methods of high-frequency high-voltage pulse power supply system. It can be applied to the dielectric barrier discharging, corona discharging, and so on. The proposed structure’s first stage is active power factor corrector, It is provides steady DC voltage by boost AC-DC conveter to second stage’s full-bridge ZVS converter to get the desired voltage. The second stage is controlled by pulse width modulation and pulse density modulation, As the pulse width modulation can’t control the system in low power, range a pulse density modulation control is propose to improve. This thesis used the Microchip controller to achieve the pulse density modulation control, thus the high-frequency high-voltage pulse power supply system can have both the pulse width modulation control and pulse density modulation control functions.
Chen, Cun-Min, and 陳存旻. "An Adjustable Pulse-width High Voltage Pulsed Power Supply with Digital Controller." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/pw3u87.
Повний текст джерела國立臺灣科技大學
電機工程系
106
This thesis presents an adjustable pulse-width high voltage pulsed power supply based on the full-bridge LLC resonant topology with a digital controller. First, the system transfer function including parastic capacitance effect is derived to select the resonant component. Moreover, the proposed system can achieve zero voltage switching to reduce power loss even under pulsed output. In addition, the modified burst PWM control is combined with variable frequency control to eliminate the output voltage spike. Furthermore, the voltage feedback control is implemented by using the auxiliary winding to simplify the circuit design and to provide electrical isolation. Finally, both the computer simulation and experimental results are used to verify the feasibility and validity of the proposed system.
LinChen-Hon and 林成宏. "Design and Implementation for High-Power-FactorFull Bridge Phase Shift Zero Voltage Switch Converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/66053983665585901841.
Повний текст джерела崑山科技大學
電機工程研究所
95
In this thesis, the design and implementation of a high power factor full bridge converter with phase-shift-zero-voltage switching is presented.The controlling device IC UC3854N is used so that the input current will track the input voltage to achieve high power factor and to reduce the harmonic pollution,moreover, the output of active power factor corrector is transferred to a full-bridge voltage converter with phase-shift and zero-voltage-switch.The IC UC3875 is used to achieve zero voltage switching. It can reduce the noise and loss while the switch is switching, and the total efficiency is increased.
ZHANG, ZHI-YANG, and 張志陽. "Single Active-Power-Switch High Step-up DC-to-DC Voltage Converter with Coupled Inductors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/tps69d.
Повний текст джерела國立高雄應用科技大學
電機工程系博碩士班
106
In this thesis, a Single Active-Power-Switch High Step-up DC-to-DC Voltage Converter with Coupled Inductors is proposed. During the non-magnetization period of the inductor which is used in the circuit, the clamp capacitor is charged by the inductor and a part of energy. And during the process of magnetization of the inductor, the energy of input voltage can be transmitted to secondary side in order to be charged to a boost capacitor and a double voltage capacitor. Furthermore, the energy of the clamp capacitor is transferred to the boost capacitor by the inductor during the process of magnetization of the inductor. A high boost voltage gain and high efficiency can be achieved with a proper duty ratio by the input voltage, primary and second dary outputs of the coupled inductors, boost capacitor and the voltage double capacitor. In the circuit, a single active switch doesn’t make the control complicated. Moreover, high boost voltage gain reduces the voltage surge of the leakage inductor in the active switch and switching losses. In addition, a high switching frequency design can reduce the physical volume of the circuit. This article will discuss the operating principle of the circuit in continuous, discontinuos conduction modes and its steady-state characteristics. The boundary operating conditions will also be mentioned in the discussed. Finally, we implemented a experimental circuits with an input voltage of 18V~30V, output voltage of 200V, and output power of 200W to verify the performance.
"The Use of Voltage Compliant Silicon on Insulator MESFETs for High Power and High Temperature Pulse Width Modulated Drive Circuits." Master's thesis, 2010. http://hdl.handle.net/2286/R.I.8692.
Повний текст джерелаDissertation/Thesis
M.S. Electrical Engineering 2010
Su, Cheng-Yang, and 蘇政揚. "TiN thin film produced by High Power Impulse Magnetron Sputtering (HiPIMS) : Effect of varying pulse target voltage and pulse off-time." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/32900257849411822642.
Повний текст джерела國立清華大學
工程與系統科學系
99
本研究中成功的使用高功率脈衝磁控濺鍍技術 (HiPIMS) 鍍著奈米晶 氮化鈦薄膜於P型 (100) 矽基板上。本研究主要的目的為研究調控脈衝靶材 電壓及脈衝間隔時間對高功率脈衝磁控濺鍍技術鍍著之氮化鈦薄膜於成 分、結構、機械性質與導電性質上的影響。此研究可幫助我們了解高功率 脈衝磁控濺鍍應用於鍍膜製程上的特性。本研究的結果顯示,薄膜 (111) 平面的織構係數、結晶性以及晶粒大小皆隨著脈衝靶材電流由 550 V 上升 至 750 V ,或脈衝間隔時間由 800 μs 上升至 1700 μs 而增加。提昇脈衝靶 材電流能夠使得薄膜堆積因子顯著的增加直到其值接近於一,亦即塊材的 程度。在硬度方面,約介於14~25 GPa間,並與脈衝靶材電壓高度相關, 但對脈衝間隔時間的變化則不明顯。本實驗中所有試片的殘餘應力皆為壓 縮應力,且增加脈衝靶材電壓或脈衝間隔時間都會使殘餘應力增加。當脈 衝間隔時間增加時,靶材極限電流議會增加,顯示電漿氣體的補充足夠與 否可能是此情況下影響電漿密度的重要因素。在本實驗中,增加脈衝靶材 電壓與脈衝間隔時間都能使電漿密度增加,並因此能鍍著具優異機械與介 電性質的氮化鈦薄膜。
Sivaprasad, Sreenivasa J. "Control, Modulation and Testing of High-Power Pulse Width Modulated Converters." Thesis, 2013. http://etd.iisc.ernet.in/2005/3310.
Повний текст джерелаChao, Han-Lin, and 趙翰林. "A STUDY OF SINGLE-PHASE OVER KILOWATT SWITCH-MODE UPS SYSTEM WITH HIGH POWER FACTOR AND LOW VOLTAGE REGULATION." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/52390880944831367850.
Повний текст джерела大同大學
電機工程研究所
88
The purpose of this thesis is to study single-phase switch-mode UPS with high power factor, low voltage regulation, and low total harmonic distortion. The system consists of a switch-mode PFC rectifier, dc/ac converter, a bidirectional chopper, and a battery set. A single-phase switch-mode high PF rectifier has been introduced without a need for a complex control circuitry. Taking the advantage of a chip-UC3854AN and additional feedback circuits to draw sinusoidal ac current from the ac line to get the high input power factor and low voltage regulation. Importing a bidirectional chopper, it can perform buck/boost output voltage arbitrarily for storing energy to battery set when the utility is in normal condition and providing power when the utility is breakdown or outage. Finally, a single-chip microprocessor, 80C196MC is used to implement the control scheme of the proposed system with proper hardware. Via the experimentation with prototype established, it confirms that the UPS structure can performs its feasibility and good characteristics as ex
Hiralal, Bhosale Vijay. "Developmental Studies on Ultra Wide Band Type High Power Electromagnetic Radiating System for Use as an Intentional Electromagnetic Interference Source." Thesis, 2017. http://etd.iisc.ernet.in/2005/3691.
Повний текст джерелаMoonesan, Mohammad Saleh. "Design and Implementation of IGBT Based Power Supply for Food Treatment." Thesis, 2011. http://hdl.handle.net/10012/6298.
Повний текст джерелаBassoo, Vandana. "A digital up-conversion architecture for future high efficiency wireless base stations." Thesis, 2010. https://vuir.vu.edu.au/16051/.
Повний текст джерелаMathew, Jaison. "Investigation On Dodecagonal Multilevel Voltage Space Vector Structures By Cascading Flying Capacitor And Floating H-Bridge Cells For Medium Voltage IM Drives." Thesis, 2013. http://hdl.handle.net/2005/2600.
Повний текст джерелаMathew, K. "Induction Motor Drives Based on Multilevel Dodecagonal and Octadecagonal Volatage Space Vectors." Thesis, 2013. http://hdl.handle.net/2005/3290.
Повний текст джерелаLukic, Zdravko. "Design and Practical Implementation of Advanced Reconfigurable Digital Controllers for Low-power Multi-phase DC-DC Converters." Thesis, 2012. http://hdl.handle.net/1807/33855.
Повний текст джерелаDas, Anandarup. "Investigations On Dodecagonal Space Vector Generation For Induction Motor Drives." Thesis, 2009. http://hdl.handle.net/2005/1034.
Повний текст джерелаPappu, Roshan Kumar. "Studies on Single DC Link Fed Multilevel Inverter Topologies by Cascading Flying Capacitor and Floating Capacitor Fed H-Bridges." Thesis, 2014. http://hdl.handle.net/2005/3189.
Повний текст джерелаMoshirvaziri, Mazhar. "Ultracapacitor/Battery Hybrid Energy Storage Systems for Electric Vehicles." Thesis, 2012. http://hdl.handle.net/1807/33458.
Повний текст джерела