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Dissertations / Theses on the topic 'Short circui'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Aaen, Peter H. "Short printed-circuit couplers and vias." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29400.pdf.

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2

Shimmin, D. W. "High power short circuit studies on an SF6 puffer circuit breaker." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383473.

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3

Singh, D. "Integrated circuit elements for short millimeter wavelengths." Thesis, Cardiff University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372354.

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4

Barazi, Yazan. "Fast short-circuit protection for SiC MOSFETs in extreme short-circuit conditions by integrated functions in CMOS-ASIC technology." Thesis, Toulouse, INPT, 2020. http://www.theses.fr/2020INPT0091.

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Les transistors de puissance grands gaps tels que les MOSFETs SiC et HEMT GaN repoussent les compromis classiques en électronique de puissance. Brièvement, des gains significatifs ont été démontrés par les transistors SiC et GaN: meilleurs rendements, couplés à une augmentation des densités de puissance offertes par la montée en fréquence de découpage. Les MOSFET SiC à haute tension présentent des spécificités telles qu'une faible tenue en court-circuit (SC) par rapport aux IGBT Si et un oxyde de grille aminci, et une tension de commande rapprochée grillesource élevée. La polarisation négative

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5

Чміль, Степан Станіславович, та Stepan Chmil. "Забезпечення надійності функціонування розподільчої мережі 110 кВ Теребовлянського РЕМ". Master's thesis, Тернопільський національний технічний університет імені Івана Пулюя, кафедра електричної інженерії,Тернопіль, Україна, 2020. http://elartu.tntu.edu.ua/handle/lib/33510.

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У сучасному світі централізоване електропостачання підприємств та населених пунктів забезпечується від енергетичних систем. Дані енергосистеми складаються з електростанцій, підстанцій, повітряних та кабельних лінії електропередач. “Постає завдання забезпечити оптимальний режим роботи енергосистеми в цілому” [2]. Дане завдання необхідно виконати враховуючи взаємозв’язок між окремими елементами енергосистеми. Проектування розвитку електричних мереж включає в себе задачу розробки та обґрунтування економічних та технічних питань, що забезпечують необхідну якість та надійність електропостачання. Н

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6

Kauffman, Lukis. "From our circus family, to yours." View electronic thesis (PDF), 2009. http://dl.uncw.edu/etd/2009-1/rp/kauffmanl/lukiskauffman.pdf.

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7

Howard, Dustin F. "Short-circuit currents in wind-turbine generator networks." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50361.

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Protection of both the wind plant and the interconnecting transmission system during short-circuit faults is imperative for maintaining system structural integrity and reliability. The circuit breakers and protective relays used to protect the power system during such events are designed based upon calculations of the current that will flow in the circuit during the fault. Sequence-network models of various power-system components, such as synchronous generators, transformers, transmission lines, etc., are often used to perform these calculations. However, there are no such models widely ac

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8

Amin, M. Shahrooz 1981. "Advanced Faraday cage measurements of charge, short-circuit current and open-circuit voltage." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28730.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>"Spetember 2004."<br>Includes bibliographical references.<br>(cont.) above atmospheric pressure caused both positive current and negative current pulses with the negative pulse larger than the positive pulse. A pressure decrease of more than 10psi below atmospheric pressure also caused both positive current and negative current pulses with the positive current larger than the negative current pulse. Experiments showed that the negative current was generated by the galvanic actio

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9

Barradas, Henrique Molina. "Análise do impacto da inserção massiva de geração distribuída fotovoltaica nos níveis de curto-circuito em redes de distribuição de energia elétrica /." Ilha Solteira, 2018. http://hdl.handle.net/11449/157395.

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Orientador: Fábio Bertequini Leão<br>Resumo: Com a crescente utilização de fontes renováveis de geração de energia por parte dos consumidores de energia elétrica, há a necessidade de se avaliar quais serão os impactos da conexão destes geradores no sistema de distribuição. De modo geral, um sistema onde há geradores distribuídos (GDs) conectados apresentará alteração na corrente de curtocircuito devido ao aumento do nível de tensão. A mudança na corrente de curto-circuito que passa pelos dispositivos de proteção pode leva-los a atuações indesejadas, a atuações descoordenadas e a não atuarem. P

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10

Jeffery, Peter Andrew. "The motion of short circuit arcs in low-voltage current limiting miniature circuit breakers." Thesis, University of Southampton, 1999. https://eprints.soton.ac.uk/47620/.

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Investigations have been made into the effect of the Miniature Circuit Breaker configuration on the behaviour of short circuit arcs. A Flexible Test Apparatus was developed to recreate the operation of a MCB, igniting the arc between opening contacts. The short circuit fault was simulated using a capacitor discharge system, with a prospective peak current of 3.5 kA. A high-speed digital Arc Imaging System was used to record the arc behaviour. Analysis techniques have been developed that plot the individual trajectories of the anode and cathode root from the digital data. The time that each arc

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11

Kopta, Arnost [Verfasser]. "Short-Circuit Ruggedness of High-Voltage IGBTs / Arnost Kopta." Aachen : Shaker, 2010. http://d-nb.info/1081885610/34.

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12

Crumlin, Alex Justin. "Methods for short-circuit identification and location in automobiles." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36777.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.<br>"June 2006."<br>Includes bibliographical references (leaf 133).<br>As the number of electrical components in cars increases at a rapid rate, so too does the chance for electrical failure. A method for locating shorts to the chassis of a car is developed in this thesis. The developed technique is capable of detecting the approximate location of current being injected into the body of the car using several sensors placed strategically throughout the car. This technique can then

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13

Prashad, F. R. "Improved reduced-order models of solid-rotor synchronous machines derived from frequency-response." Thesis, University of Newcastle Upon Tyne, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234431.

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14

Isaac, Leslie Thomas. "Puffer circuit breaker diagnostics using novel optical fibre sensors." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263762.

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15

Courey, Karim Joseph. "An Investigation of the Electrical Short Circuit Characteristics of Tin Whiskers." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/38.

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Existing risk simulations make the assumption that when a free tin whisker has bridged two adjacent exposed electrical conductors, the result is an electrical short circuit. This conservative assumption is made because shorting is a random event that has a currently unknown probability associated with it. Due to contact resistance electrical shorts may not occur at lower voltage levels. In these experiments, the effect of varying voltage on the breakdown of the contact resistance which leads to a short circuit was studied. From this data, the probability of an electrical short was estimated

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16

Englund, Nils. "Evaluation and improvements of the short circuit test at ABB Machines." Thesis, Uppsala universitet, Elektricitetslära, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-227548.

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This thesis was performed to improve the test procedure for large electrical machines at ABB Machines in Västerås. New measurement equipment for the three phase short circuit test was evaluated by implementation and benchmarking against currently used system. A new position for the new measurement system was found to ensure good repetitively between tests, while at the same time reduce setup time from up to an hour to zero. The results from the new position and equipment were satisfactory and further implementation is advised. A new program for evaluation of dynamic parameters (X’d, X’’d, T’d,

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17

Palomera-Arias, Rogelio 1972. "PIN diode switch circuit for short time high current pulse signal." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/47505.

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18

Yaqub, Imran. "Investigation into stable failure to short circuit in IGBT power modules." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/30305/.

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This doctoral thesis investigates modes of failure of the IGBT power module and how these modes can be coerced from an open circuit failure mode (OCFM) to a stable short circuit failure mode (SCFM) by using different interconnect technologies and material systems. SCFM is of great importance for a number of applications where IGBT power modules are connected in series string e.g. high voltage modular multi-level converters (M2LC) where one module failing to an OCFM can shut down the whole converter. The failure modes of IGBT samples based on wirebond, flexible PCB, sandwich and press pack stru

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19

Ahnlund, Joakim. "Short-circuit Contributions from Fully-rated Converter Wind Turbines : Modeling and simulation of steady-state short-circuit contributions from FRC wind turbines in offshore wind power plants." Thesis, KTH, Elektriska energisystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144846.

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In recent years there has been an increase in wind power plants installed out at sea. The generated power of wind turbine generators (WTGs) are collected through numerous subsea cables into a single hub, the offshore platform. Subsequently, this platform is interconnected with the onshore main grid through a further stretch of cable. In the event of a fault, a sudden increase in current, so called short-circuit current, will occur somewhere in the system. The short-circuit current will, depending on the duration and location of the fault, potentially harm the power system. In order to accurate

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20

Picchia, Paulo Menotti Del. "Por que eles ainda gravam? Discos e artistas em ação." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/8/8134/tde-13012014-120650/.

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Esta dissertação une antropologia e música para analisar processos contemporâneos de produção de discos e músicos na cidade de São Paulo. A questão central que permeia todo texto é a seguinte: por que ainda se grava discos na era da música digital compartilhada no ciberespaço através da internet? Em outras palavras, por que no mesmo período em que as vendas de discos físicos (CDs e discos de vinil) diminuíram, colocando as grandes companhias fonográficas numa crise sem precedentes, um grupo de compositores urbanos passou a produzir e lançar discos físicos de forma autônoma, contínua e intensa?

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21

Bernardes, Haislan Ranelli Santana. "Detecção e classificação de faltas em sistemas de distribuição de energia elétrica usando a análise multirresolução e a rede neural artificial ARTMAP-fuzzy /." Ilha Solteira, 2019. http://hdl.handle.net/11449/183118.

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Orientador: Carlos Roberto Minussi<br>Resumo: Esta pesquisa apresenta o desenvolvimento de uma ferramenta para a detecção e classificação de curtos-circuitos em sistemas de distribuição de energia elétrica, a qual é baseada no uso combinado da análise multirresolução e rede neural ARTMAP-fuzzy. A análise multirresolução permite a identificação de singularidades nas oscilografias e a rede da família ART garante ao sistema classificador a capacidade de aprendizado contínuo de novos padrões sem perder o conhecimento previamente adquirido. Todo o processo de diagnóstico é realizado em uma única et

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22

Shang, Qi. "A new short circuit fault detection scheme for fault tolerant drive systems." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500891.

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The civil aerospace industry is moving towards the 'more electric aeroplane'. The benefits are reduced weight and reduced maintenance which will result in better fuel economy and lower flight cost per mile. One of the important technologies is fault tolerant yet power dense electrical drive systems which have very high reliability to meet safety-critical aircraft applications. The particular subject of this thesis is fault detection in permanent magnet synchronous machines. The specific target application is a 16kW, 15,000 rpm aircraft engine fuel pump drive that has previously been developed

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23

FOLEGATTI, MYRTES MARIA DA SILVA. "THE SHORT-CIRCUIT OF THE POETICAL PHENOMENON (OR REFLECTIONS ON LITERATURE TEACHING)." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. https://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=10543@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>O objetivo desta dissertação é verificar até que ponto o ensino da literatura em contexto escolar de ensino médio garante a contento a formação do leitor. Apesar dos esforços empreendidos pelas instituições formais de educação e da garantia do espaço reservado ao ensino da leitura e, em especial, da leitura do texto literário, a forma com que vem sendo conduzido gerou um curto-circuito, uma incompreensão de seu valor estético, o que prejudica o gosto pela leitura e o despertar crítico dos estudantes. Atualmente, a leitura da literatu

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24

Li, Xiao. "Short Circuit Capability and Degradation Mechanism Analysis of E-mode GaN HEMT." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492643687305536.

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25

Arkan, Muslum. "Stator fault diagnosis in induction motors." Thesis, University of Sussex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310244.

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26

Suwanasri, Thanapong. "Investigation on no load mechanical endurance and electrical degradation of a circuit breaker model under short circuit current interruption." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=979106028.

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27

Lessard, Véronique. "Tout un cirque pour si peu : micronouvelles en traduction." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37916.

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La présente étude invite le lecteur à s’éloigner des longs fleuves d’encre pour plonger dans le monde du bref, du furtif et de l’allusif, et à explorer le genre qu’est la micronouvelle. Cette étude sert de prétexte, paratexte et péritexte à la traduction, de l’espagnol au français, du recueil de micronouvelles Fenómenos de circo (2011) de l’écrivaine argentine Ana María Shua. La micronouvelle jouit d’une diffusion différentielle dans le monde : particulièrement intense dans l’espace hispanophone, beaucoup plus timide dans l’espace francophone. À la traduction du recueil de micronouvelles le p

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28

Mohammadi, Houshang C. "Short-circuit current calculations and protective relay coordination for industrial and commercial power systems." Ohio : Ohio University, 1986. http://www.ohiolink.edu/etd/view.cgi?ohiou1183141301.

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29

Green, K. "UCP2 in pancreatic beta-cells : a radical way to short circuit glucose sensing?" Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599662.

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Uncoupling proteins (UCPs) catalyse proton transport across the mitochondrial inner membrane, thereby uncoupling oxidative phosphorylation. UCP2 is expressed in several mammalian tissues including pancreatic β-cells. Since UCP2 activity uncouples the processes that link glucose metabolism (oxidation) to insulin secretion (phosphorylation), it is expected to attenuate glucose-stimulated insulin secretion (GSIS). Published studies using UCP2 over-expressing and UCP2 ablated β-cells support this hypothesis. Therefore, identifying regulators of β-cell UCP2 activity may help develop novel ways to t

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30

Afifi, Sara Nader. "Impact of hybrid distributed generation allocation on short circuit currents in distribution systems." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15195.

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The rapid development in renewable generation technologies and flexible distribution networks requires current infrastructure to be modified and developed to adapt high penetration levels of distributed generation. Existing distribution networks were not initially designed and anticipated to accommodate generators on large scale. Short circuit studies ensure the effectiveness of protection equipment settings and coordination is maintained in case of short circuit, despite any additional distributed generation is connected to the distribution network. This research aims to study and compare the

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31

Alwash, Mahmood. "Current limiting devices for short-circuit protection of DC systems in aerospace applications." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/21936/.

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32

Babu, Hareesh. "Finite-element analysis of an induction motor with inter-turn short-circuit faults." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-290082.

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Stator inter-turn short circuit (ITSC) faults are one of the common sources for induction machine failure affecting their reliable operation. In this thesis, a finite element (FE) model is developed to study the ITSC fault. The FE model is developed for a prototype induction machine that has the potential to emulate an ITSC fault in the stator. With the developed FE model of the prototype machine, a simulation study is performed to understand the behaviour of various electrical and magnetic quantities in time- and frequency-domain. The investigated quantities are potentially good signatures of

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33

Hall, Douglas Leon. "Authoritarian theology in the Boston Church of Christ a short-circuit of Christianity /." Theological Research Exchange Network (TREN), 1991. http://www.tren.com.

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34

Chrástek, Radim. "Ustálený chod a zkratové poměry v síti 110 kV E.ON napájené z rozvodny 110 kV Čebín v roce 2011." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219018.

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The aim of this thesis is to project an operation of bridge connection in distribution network in Čebín’s nodal area. The main task is to check a fulfilment of voltage tolerance in distribution substations 110 kV, load transformer control (400/110 kV, 110/VN kV), distribution power line 110 kV control and short - circuit conditions control. Relevant calculations are performed by dispatching control system, which works with the actual parameters of all distribution network‘s 110 kV facilities. The theoretical part of this thesis is devoted to the way of the calculation of stabilized operation a

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35

Jandora, Jiří. "Ustálený chod a zkratové poměry v síti 110 kV E.ON napájené z rozvodny 110 kV Sokolnice v roce 2011." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219017.

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While changing the connection of the power transformators we have to find out if the powered distribution network can accept this change and if it will fulfil the set conditions. Important is to keep the range of permitted voltage on separate distribution points of this network and to find out proportions on separate circuits. This is connected with a circuit load which cannot exceed its limit (transmission capacity). The network is checked against outages of separate circuits (N-1) and we try to find out if other circuits are not overloaded during the transmission of the outaged circuit’s pow

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36

Mariantoni, Matteo [Verfasser]. "New Trends in Superconducting Circuit Quantum Electrodynamics: Two Amplifiers, Two Resonators, and Two Photons : A Not So Short Introduction to Quantum Circuits and Signals / Matteo Mariantoni." Aachen : Shaker, 2010. http://d-nb.info/108453651X/34.

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37

Mohammadi, Houshang. "Short-circuit current calculations and protective relay coordination for industrial and commercial power systems." Ohio University / OhioLINK, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1183141301.

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38

Bauer, Clovis. "Ensaios de elevação de temperatura pelo método "Forward Short Circuit" em motores de indução." Florianópolis, SC, 2008. http://repositorio.ufsc.br/xmlui/handle/123456789/91988.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.<br>Made available in DSpace on 2012-10-24T04:36:09Z (GMT). No. of bitstreams: 1 263133.pdf: 2859011 bytes, checksum: 4a315dffeaf2e20dc875d98a44425459 (MD5)<br>O presente trabalho aborda o estudo de um método alternativo de carga equivalente para determinação da elevação de temperatura em motor de indução chamado "forward short circuit". O estudo apresenta a fundamentação teórica do ensaio, o procedimento para realizar o ensaio, as características das máquinas u

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39

Oliveira, Ãtila GirÃo de. "Neural classifier aplied in stator winding inter-turn short circuit in three-phase induction motors driven by frequency converter." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12285.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>This dissertation reports applications of artificial neural networks to detect stator winding interturn fault of three phase induction motor drived by frequency inverter. The artificial neural networks, like Simple and Multilayer Perceptron, served as off-line classifiers to short-circuit fault condition or healthy condition. In the training of Multilayer Perceptron, two different algorithms are used: the error back-propagation, which is a classic algorithm, and the extreme learning machine, as a relative new alternative for the cl

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40

Діденко, Юрій Олександрович. "Підвищення надійності роботи теплоелектроцентралі за наявності вітроелектростанції". Master's thesis, КПІ ім. Ігоря Сікорського, 2020. https://ela.kpi.ua/handle/123456789/40106.

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Магістерська дисертація складається з пояснювальної записки та графічної частини. Пояснювальна записка виконана на 113 сторінках формату А4. Графічна частина містить 6 аркушів технічних креслень форматом А1. В магістерський дисертації розглядається питання підвищення надійності роботи теплоелектроцентралі за наявності вітроелектростанції. Було розраховано технічний стан повітряної лінії. Для оцінки діапазонів термів доцільно було використано індикатори Харрінгтона для функцій принадлежності. Ймовірність відмови повітряної лінії за час експлуатації. Розрахун

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41

Mocevic, Slavko. "PCB-Embedded Phase Current Sensor and Short-Circuit Detector for High Power SiC-Based Converters." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/84348.

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Nowadays, major public concern is concentrated on reducing the usage of fossil fuels and reducing emissions of CO2 by different energy advancement. Electric vehicle technology presents extremely effective way of reducing carbon emissions and paves the way of having sustainable and renewable energy future. In order to wear the cost of electric vehicles down, batteries have to be improved as well as higher power density and high reliability has to be achieved. This research work mainly focuses on achieving higher power density and higher reliability of the inverter stage by utilizing wide-bandga

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42

Chen, Jr-Liang, and 陳智良. "Short-Circuit Current Analysis for Ship Shore Power Connection Systems." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/6ju73t.

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碩士<br>國立高雄海洋科技大學<br>輪機工程研究所<br>102<br>Ship shore power connection issue is essential and important for green port and clean harbor city around the world. From a whole grid point of view, the ship electric power system is connected to the onshore grid to become a part of onshore power networks through the shore power connection, which has increased the complexity of the short-circuit current analysis of ship power systems. To exactly calculate short-circuit currents at different fault points in the system for determining proper breaking capacity protection devices, this paper proposes a set of

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"Short circuit modeling of wind turbine generators." Thesis, 2013. http://hdl.handle.net/10388/ETD-2013-08-1176.

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Modeling of wind farms to determine their short circuit contribution in response to faults is a crucial part of system impact studies performed by power utilities. Short circuit calculations are necessary to determine protective relay settings, equipment ratings and to provide data for protection coordination. The plethora of different factors that influence the response of wind farms to short circuits makes short circuit modeling of wind farms an interesting, complex, and challenging task. Low voltage ride through (LVRT) requirements make it necessary for the latest generation of wind genera

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蘇嘉陽. "Measurement and Modeling of the Test Circuit of a High-Voltage Short-Circuit Plant." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/92120551657051757372.

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碩士<br>國立臺灣科技大學<br>電機工程技術研究所<br>86<br>The major purpose of this thesis is to measure the parameters of the test circuit of the high-voltage short-circuit plant at Shu-lin in Taiwan. A mathematical model of the test circuit for short circuit test of AC high-voltage circuit breakers was formed as well. A computer program was developed to draw the wave of the prospective transient recovery voltage of the circuit and to determine the representative parameters, such as the current-limited reactors and the resistors and capacitors for determining

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莊慧仁. "Power flow analysis using complex short circuit MVA method." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/87021434758057696847.

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WENG, TAI-YING, and 翁太盈. "A study on short circuit analysis of power system." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/41288352172396518977.

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Purvee, Edwin Ralph. "Optimizing SPARQLeR using short circuit evaluation of filter clauses." 2009. http://purl.galileo.usg.edu/uga%5Fetd/purvee%5Fedwin%5Fr%5F200912%5Fms.

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Chen, Bing-Hua, and 陳柄樺. "Motor Response and Protection for Inverter Short-Circuit Faults." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5gfch7.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>106<br>This paper aims to investigate potential fault characteristics for Permanent Magnet Synchronous Motors (PMSM). The inverter switch short-circuit is the primary focus. When the inverter short-circuit fault occurs, considerable short-circuit currents are induced. They not only damage inverter devices, but also results in the demagnetization in PM motors. Two common inverter short-circuit faults are investigated. They are respectively Symmetric Short-Circuit (SSC) Fault and Asymmetric Short-Circuit (ASC) Fault. For SSC fault, an analytical model is developed for

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WU, YU-CHEN, and 吳昱辰. "AC Short-Circuit Protection for an Industrial Network Example." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/54kgp2.

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碩士<br>崑山科技大學<br>電子工程研究所<br>107<br>An Industrial Network Example is used to calculate the load flow by PowerFactory software. AC short-circuit protection uses the variation ”Number of parallel motors” with all ten parallel LV motors considered. After calculating the short-circuit current on any busbar of the AC network, the tripping time of the different relays are displayed in the corresponding result boxes. Through the powerful functions of DIgSILENT PowerFactory, the normal operation of the industrial network is very important. The over-current protection simulation analysis is for the resea

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Wu, Wen-Chuan, and 吳文娟. "Packing Complete Bipartite Multidigraphs with Short Circuits." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/95737462348346119860.

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碩士<br>嶺東科技大學<br>資訊科技應用研究所<br>97<br>Graph packing、including graph decomposition、is an important subject of graph theory since many mathematical structures are linked to it and its results can be applied in coding theory、multicomputer networks、synchronous optical networks (SONET)、DNA library screening、experimental design、scheduling、and other fields. Cycle packing is a special type of graph packing and continues to be a popular topic of research. A k-circuit is a directed cycle of length k. For a multidigraph G、a k-circuit packing of G is a set of arc-disjoint k-circuits in G. A k-circuit packing

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