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Dissertations / Theses on the topic 'Impulse converter'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Bolyukh, V. F., O. I. Kocherga, and I. S. Shchukin. "Investigation of linear impulse electromechanical converter." Thesis, NTU "KhPI", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/32129.

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2

Santos, Kristian Pessoa dos. "Voltage impulse generator using a cascaded boost converter for the inspection of grounding systems." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13994.

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AssociaÃÃo TÃcnico-CientÃfica Eng.Â Paulo de Frontin<br>This paper presents the study and development of a voltage impulse generator using a cascaded boost converter topology operating in Discontinuous Conduction Mode (DCM) which will be used for the inspection of grounding systems used by electric power companies. The output voltage of the converter is applied to the grounding system which behaves as a load. The signal applied to the ground was measured by the data acquisition system and analyzed by an intelligent algorithms software. The voltage has the characteristics of a double exponentia

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3

Болюх, Володимир Федорович. "Науково-технічні основи створення електромеханічних імпульсних перетворювачів індукційного типу з кріорезистивними обмотками". Thesis, НТУ "ХПІ", 2003. http://repository.kpi.kharkov.ua/handle/KhPI-Press/30142.

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Дисертація на здобуття наукового ступеня доктора технічних наук за спеціальністю 05.09.01 - електричні машини і апарати. - Національний технічний університет «Харківський політехнічний інститут», м . Харків, 2003. Дисертація присвячена проблемі створення електромеханічних імпульсних перетворю вачів індукційного типу з кріорезистивними обмотками, що охолоджуються рідким азотом. Розроблена методика розрахунку кріогенних ЕІПІТ, яка враховує комплекс взаємопов’язаних електричних, магнітних, теплових та механічних процесів з урахуванням нелінійності основ-них параметрів. Визначені основні закономір

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4

U, Seng-Pan. "Impulse sampled switched-capacitor sampling rate converters." Thesis, University of Macau, 1997. http://umaclib3.umac.mo/record=b1445562.

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5

Fiala, Zbyněk. "Budiče spínacích výkonových tranzistorů GaN MOSFET." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242073.

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The thesis describes the procedure during the proposal of the driver circuits for the GaN MOSFET transistors, which are known for their fast switching especially. In the first instance of this thesis the issue of GaN MOSFET transistors is described and also the thesis describes the different types of MOSFET transistors in the way of their electrical and mechanical attributes. The specific type driver circuit is stated in the thesis, which was selected in the semestral thesis. For this circuit the boost converter with an output power 600W and high switching frequency 800kHz was proposed as an a

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6

Кочерга, Олександр Іванович. "Підвищення ефективності лінійних імпульсних електромеханічних перетворювачів за рахунок мультиякірних конфігурацій". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49202.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.09.01 "Електричні машини й апарати" (14 – Електрична інженерія) – Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2020 р. Дисертаційна робота присвячена удосконаленню лінійних імпульсних електромеханічних перетворювачів за рахунок мультиякірних конфігурацій. Для досягнення цієї мети були поставлені задачі: – провести аналіз конструкцій та сфер використання лінійних імпульсних електромеханічних перетворювачів індукційного, електродинамічного і електромагнітного типів в якост

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7

Picmaus, Michal. "Výkonový měnič pro umělou napájecí síť." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220895.

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Diploma work deals with a converter design for an artifical power net. There is described analysis of possible solving of this converter. Next there is contained dimension of components force circumference converter, design of filtres and converter regulator. Project deals with simulation of dynamical qualities for an output changer device in settings Matlab Simulink. In this work there is even a design power board alternator, wakers and directing of alternator.

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8

Santos, Kristian Pessoa dos. "Gerador de impulsos de tensão usando um conversor boost em cascata para inspeção de sistemas de aterramento." reponame:Repositório Institucional da UFC, 2014. http://www.repositorio.ufc.br/handle/riufc/11666.

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SANTOS, K. P. Gerador de impulsos de tensão usando um conversor boost em cascata para inspeção de sistemas de aterramento. 2014. 120 f. Dissertação (Mestrado em Engenharia Elétrica) - Centro de Tecnologia, Universidade Federal do Ceará, Fortaleza, 2014.<br>Submitted by Marlene Sousa (mmarlene@ufc.br) on 2015-04-27T12:15:09Z No. of bitstreams: 1 2014_dis_kpsantos.pdf: 3381650 bytes, checksum: 04f67570baea97ca0cb1ae70db533de4 (MD5)<br>Approved for entry into archive by Marlene Sousa(mmarlene@ufc.br) on 2015-04-27T18:05:29Z (GMT) No. of bitstreams: 1 2014_dis_kpsantos.pdf: 3381650 bytes, checksum

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9

Kuzdas, Jan. "Nové koncepce výkonových pulsních měničů s použitím extrémně rychlých spínacích polovodičů na bázi karbidu křemíku." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-233651.

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This work deals with high power pulse converters (tens of kW) using new semiconductor devices of silicon carbide (SiC). Firstly the current state of the issue is analyzed. A research in a specific area of high power buck converters with pulse transformer follows. There was a strong emphasis on minimizing size and weight. The design process was focused also on reliability and robustness. To achieve the defined objectives, it was necessary to use the latest available switching transistors and diodes, and an unusually high switching frequency (100 kHz at a power of about 16 kW). Due to the high s

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10

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.

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This work is concerned with power inverters for alternate high voltage power sources. The theoretical part describes the topology of inverters that can be used in alternate power sources. A model of voltage transformer is described in details to better understand the parasitic effects that are inevitably present in high voltage power sources and, therefore, have to be taken into consideration at the design of high voltage power sources. The work is oriented to problems of alternate high voltage power sources for ozone generators. This is the reason, why the theoretical and, partially, also the

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11

Botek, Lukáš. "Dvojčinný síťový spínaný zdroj." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-412970.

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This master´s thesis describes switch mode power supply and discusses the design of its individual parts. It also contains a simulation of the power part of the converter and a reseach in the area of DC/DC converters.

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12

Gabriel, Petr. "Spínaný zdroj 5,5kV/4,3kW s polovodiči z karbidu křemíku." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-219930.

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This thesis is about to introduce the development of switched power supply with output voltage of 5,5 kV and power of 4,3 kW. This thesis directly follows the outputs of two previous semester projects. Main task is about to finish the development of remaining printed circuit boards and perform launching of all parts of developed power supply. Next necessary task is about to assemble a functional prototype of the supply using the developed parts, performing a series of measurement supply’s parameters and creating of technical documentation of mechanical part. There are all stages of supply’s de

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13

Synek, Ladislav. "Návrh zdvojovače napětí v technologii ACMOS 0,25 m." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221011.

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This diploma thesis deals with the design of a partially integrated charge pump in 0.25 micron technology ACMOS. The work is divided into two main parts, theoretical and practical. The theoretical section describes in detail various topologies of higher voltage generation of a charge pump and selected methods of regulating the output voltage of charge pumps. The practical part deals with the the actual design of a charge pump together with the arguments for the choice of the TPVD topology and the type of the regulation. Three regulation methods of a charge pump were implemented, tested and are

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14

Folprecht, Martin. "Síťový spínaný zdroj." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-318189.

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15

Hu, Bo Syun, and 胡博勛. "Digital-to-Time Converter for Impulse Radar with Time Resolution of 10ns/5700 and 10ns." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/a4q7y7.

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碩士<br>國立清華大學<br>電機工程學系<br>103<br>In this thesis, we propose a digital-to-time converter (DTC) system with two phase-locked loops and impulse window generator (IWG). Among the DTC system, the output signal of the first stage PLL is 100MHz with 75 selections of phase, the time resolution is 133.33 ps. Owing to the structure of two stage cascade PLL, the output signal of the second stage PLL is 100MHz with 5700 selections of phase, the time resolution is 1.754 ps. Furthermore, by the last stage IWG processing, the system has the 12.5 MHz impulse signal with 1.754 ps time resolution, applicated to

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16

Tseng, Shao-Ting, and 曾紹庭. "Rotatable Cyclic Vernier Digital-to-Time Converter for Impulse Radar and Localization between Wireless Sensors." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/mn3t83.

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17

"System Identification, Diagnosis, and Built-In Self-Test of High Switching Frequency DC-DC Converters." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.46313.

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abstract: Complex electronic systems include multiple power domains and drastically varying dynamic power consumption patterns, requiring the use of multiple power conversion and regulation units. High frequency switching converters have been gaining prominence in the DC-DC converter market due to smaller solution size (higher power density) and higher efficiency. As the filter components become smaller in value and size, they are unfortunately also subject to higher process variations and worse degradation profiles jeopardizing stable operation of the power supply. This dissertation presents

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18

Ciappi, Lorenzo. "Wave-to-wire modelling of oscillating water column wave energy converters and design optimisation for the Mediterranean Sea." Doctoral thesis, 2021. http://hdl.handle.net/2158/1245178.

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The Ph.D. Thesis describes the modelling and the results of an analytical wave-to-wire model of OWC wave energy converters for the investigation of the entire process of energy transformation from sea waves to the electric wire. This approach is particularly suitable during the early design stages to evaluate the energy extractable from sea waves and properly select the location and the main geometric and operating parameters of the system. The model performs a comprehensive simulation of the entire system to estimate the electric energy production for a specific sea state, based on the joint

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19

Голояд, Олександр Ігорович, та Holoyad Oleksandr. "Метод підвищення ефективності імпульсних перетворювачів постійного струму". Master's thesis, 2019. http://elartu.tntu.edu.ua/handle/lib/29724.

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Кваліфікаційну роботу магістра присвячено обґрунтуванню методів підвищення ефективності імпульсних перетворювачів постійного струму. Проаналізовано типи та принцип роботи імпульсних перетворювачів постійного струму, обґрунтовано заходи щодо підвищення їх ефективності. Зокрема пропонується використання коректорів коефіцієнта потужності, вхідних фільтрів та сучасної елементної бази драйверів силових ключів.<br>The master's qualification work is devoted to the substantiation of methods of increase of efficiency of impulse converters of direct current. The types and the principle of operation of i

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20

Pita, Duarte da Silva. "Interligação de microrredes híbridas com um conversor multinível." Master's thesis, 2021. http://hdl.handle.net/10400.13/3979.

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Nos tempos atuais a eficiência energética e a coordenação inteligente dos recursos da rede são tópicos de maior importância. As microrredes híbridas apresentam-se como uma solução interessante para a integração coordenada de fontes de geração e cargas DC ou AC nos barramentos DC ou AC respetivamente. Isto permite eliminar algumas etapas de conversão que tradicionalmente existem nas redes AC, aumentando assim a eficiência energética. Neste trabalho utilizou-se um conversor multinível para interligar uma microrrede AC a uma microrrede DC. O conversor de interligação é capaz de realiza

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21

Παπαμιχαήλ, Μιχαήλ. "Σχεδίαση και ανάπτυξη ολοκληρωμένων κυκλωμάτων για συστήματα υπερευρείας ζώνης με έμφαση στα κυκλώματα του πομπού". Thesis, 2011. http://hdl.handle.net/10889/5245.

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Η πληθώρα των εφαρμογών που μπορεί να εξυπηρετήσει η τεχνολογία Υπερευρείας Ζώνης (UWB), από τα ασύρματα προσωπικά δίκτυα υψηλών ταχυτήτων, μέχρι τα ασύρματα δίκτυα αισθητήρων με δυνατότητες ακριβούς εντοπισμού θέσης, και τα ασύρματα δίκτυα ιατρικών αισθητήρων, έχει προκαλέσει έντονο ερευνητικό ενδιαφέρον γύρω από τις υλοποιήσεις UWB συστημάτων. Η ασυνήθιστα μεγάλη περιοχή συχνοτήτων που έχει ανατεθεί στο UWB, από τα 3.1-10.6 GHz, επιτρέπει την επίτευξη υψηλών ταχυτήτων με απλά σχήματα διαμόρφωσης, ωστόσο, λόγω της διαμοίρασης του φάσματος με τις υφιστάμενες τεχνολογίες ασύρματης δικτύωσης, οι

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