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Book
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This book explores how electrical energy is applied in various industries and applications, focusing on topics like illumination, heating, welding, and traction. These books are often tailored for Electrical Engineering students and professionals, covering the required Question and Answers solution for deeply and interestingly preparation of their...
Presentation
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This presentation explores the principles and applications of D-Type (Depletion-Type) MOSFET biasing circuits, highlighting the significance of proper biasing in achieving efficient and stable operation of electronic systems. Topics covered include the role of biasing in setting the DC operating point, common biasing techniques such as self-bias an...
Preprint
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The Nowadays Science of Physics states that when an external Force is exerted on any Massive Body it causes an Acceleration of this Massive Body according to Newton's Second Law of Motion, F=ma. From the above follows that, when an external Force is exerted on an Uncharged (Not Electrically Charged) Body, since that Body Accelerates according to Ne...
Article
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The objective of this study is to highlight the role of information technology in improving decision-making at the General Company for Electrical Industries in Baghdad. To achieve the study's objectives, a questionnaire consisting of 30 items was prepared and distributed to department heads and specialized employees. The data was analyzed using the...
Article
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La nueva dictadura del coche compartido Parece que ahora viajar solo en tu coche es un crimen de Estado. ¿Por qué? Porque, claro, contaminamos demasiado, ocupamos demasiado espacio y somos los culpables del colapso ecológico. ¿La solución? Multas. Porque todo el mundo sabe que nada salva al planeta como vaciar las arcas de los ciudadanos. ¡Genial!...
Preprint
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The design of Mechanical, Electrical, and Plumbing (MEP) systems for buildings stands as a crucial element in contemporary building design, where the optimization of MEP systems performance presents challenges, particularly in the context of complex facilities. Computational Fluid Dynamics (CFD) has appeared as an important tool to address these ch...
Article
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Protection of the electrical power system is vital to ensure reliability of operations by automatically detecting faults and acting quickly. The reliability of modern power networks with increasingly complex composition, coupled with escalating energy requirements, has made it a challenge for protection engineers to determine the relay configuratio...
Technical Report
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Ce rapport documente la conception et la réalisation d’une trottinette électrique intelligente, dans le cadre d’un projet de fin de parcours à l’ISET Mahdia (Tunisie). Le prototype développé intègre une carte ESP32, des capteurs, un système de communication Zigbee, et une application mobile conçue avec MIT App Inventor. L’objectif était de proposer...
Article
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Este trabajo presenta la evaluación termodinámica de un sistema hí-brido solar y combustible fósil. El sistema se compone de un circuito de agua caliente para el aporte de calor solar-fósil, un ORC con reca-lentamiento para generar electricidad y un circuito de Agua Caliente Sanitaria (ACS). El sistema híbrido fue evaluado y los modelos de-sarrolla...
Technical Report
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Een deel van de Nederlandse reizigers en aanbieders van recreatieve activiteiten staat ervoor open hun reisgedrag te verduurzamen, maar loopt hierbij ook tegen barrières aan. Jaarlijks zijn Nederlanders goed voor de uitstoot van zo’n 13 megaton CO2 als zij reizen voor recreatieve doeleinden, zoals vakantie, uitstapjes en regelmatig terugkerende act...
Article
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Nesta contribuição, abordamos os momentos de dipolos elétricos e magnéticos dos léptons (elétron, múon e tau). Apresentamos uma descrição histórica dos desenvolvimentos tanto das previsões teóricas quanto das medidas experimentais, bem como suas precisões. Inicialmente, discutimos o caso do elétron, mostrando a evolução dos conceitos e resultados q...
Preprint
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Marco de referencia para Mantenimiento preventivo implementando el estudio en las maquinas eléctricas rotativas por medio de técnicas de análisis FMEA y FMECA Resumen: En el presente trabajo se propone un marco de referencia enfocado en la implementación de mantenimiento de máquinas rotativas, basado en técnicas de análisis de modos y efectos de fa...
Poster
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Acknowledgement for Review an article for Scopus journal named ''International Journal of Electrical and Computer Engineering”. PAPER: Improving Variant DDoS Attack Detection Performance on Cloud Computing Infrastructure with Feature Selection and Random Forest
Article
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Zusammenfassung Hintergrund Aufgrund der großen anatomischen Vielfalt der menschlichen Cochleae existiert keine One-Size-Fits-All-Lösung für die Auswahl des optimalen Elektrodenträgers. Es muss individuell je nach Größe der Cochlea und anderen Faktoren wie dem präoperativ vorhandenen Restgehör entschieden werden. Ziele der Arbeit Akzeptanz für Pr...
Article
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Objective. Electrically evoked auditory steady-state responses (EASSRs) are potential neural responses for objectively determining stimulation parameters of cochlear implants (CIs). Unfortunately, they are difficult to detect in electroencephalography (EEG) recordings due to the electrical stimulation artifacts of the CI. This study investigates a...
Technical Report
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Hoy hablamos de los PIA en electricidad, unos pequeños instrumentos que, a pesar de su reducido tamaño juegan un papel fundamental en el correcto funcionamiento de los sistemas eléctricos. ¿Qué es un PIA? Empecemos por lo básico, explicando el concepto. PIA es el acrónimo de Pequeño Interruptor Automático. Estos se incorporan a los circuitos intern...
Article
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El consumo de energía eléctrica es esencial para mantener la calidad de vida de la sociedad humana, especialmente en áreas como salud, educación y alimentación. Este estudio se enfoca en el consumo de energía eléctrica en el sector educativo, especialmente en aulas y edificios administrativos, destacando la necesidad de ser más eficientes en su uso...
Research Proposal
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Hoy hablamos de los PIA en electricidad, unos pequeños instrumentos que, a pesar de su reducido tamaño juegan un papel fundamental en el correcto funcionamiento de los sistemas eléctricos. ¿Qué es un PIA? Empecemos por lo básico, explicando el concepto. PIA es el acrónimo de Pequeño Interruptor Automático. Estos se incorporan a los circuitos intern...
Poster
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The graphical abstract for the newly published paper with citation: Perry, J. A. (2025). Pulse-Induced Electrochemical Phenomena: Proposed mechanisms using extended electrodynamic theories. J Electrical Electron Eng, 4(2), 01-20.
Article
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Este estudo investigou os fenômenos físicos que afetam projetos elétricos na construção civil contemporânea, buscando compreender as dificuldades existentes e propor possíveis caminhos para melhorias no planejamento. A pesquisa foi motivada pela identificação de falhas nos sistemas elétricos devido à falta de conhecimentos específicos dos component...
Article
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Esta investigación pretende dar visibilidad a la realidad que enfrentan las personas que viven en sectores no cubiertos por la red eléctrica nacional, en particular en regiones remotas y dentro de reservas indígenas. Se considera como caso de estudio la región de Nai Teri. Se muestra el impacto que representa para la calidad de vida de estas person...
Article
Full-text available
La demanda de electricidad es esencial en la planificación de sistemas de energía, y su estimación exacta facilita la optimización de recursos y la prevención de errores en la red. El estudio de series temporales a través de la serie de Fourier [1] se ha resaltado como un instrumento eficiente para desglosar la carga eléctrica en frecuencias, incre...
Article
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En México, el sector transporte es responsable del 24.5 % de las emisiones totales de CO2 que se generan anualmente, de las cuales cerca del 93 % proviene al subsector vial. A pesar de la penetración de autos híbridos y eléctricos, el mercado mexicano de vehículos terrestres convencionales de gasolina presenta una tendencia positiva en las próximas...
Article
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Este artículo presenta una metodología para evaluar la modelización y simulación de redes de distribución eléctrica ante una penetración significativa de generación distribuida. Utilizando el programa Analizador de Transitorios Eléctricos (ETAP®), se modeló y simuló una red de distribución de media tensión de Costa Rica, considerando criterios para...
Conference Paper
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An exploratory draft research paper on AI in electrical equipment, a hi-tech area where the US, China, UK, EU, Japan, India, and others are competing. With policy suggestions.
Article
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Water-rich area present underground in coal mines pose a serious threat to the safety of coal mining operations. Electrical methods are commonly used for the detection of subsurface water-rich area, but the presence of shallow aquifers can significantly affect the accuracy of deep water-rich zone detection. In this study, surface-to-underground tra...
Preprint
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We present a novel fault localisation methodology for linear time-invariant electrical networks with infinite-dimensional edge dynamics and uncertain fault dynamics. The theory accommodates instability and also bounded propagation delays in the network. The goal is to estimate the location of a fault along a given network edge, using sensors positi...
Technical Report
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Apporté en 2016 à la version initiale de la Loi 13/09 sur les énergies renouvelables de 2010, l'amendement 58/15 autorise les branchements d’installations de production d’électricité (dont les solaires) sur le réseau basse tension. Quant à la Loi 82/21 de 2022 sur l’autoproduction d’électricité elle stipule que les excédents d’électricité injectés...
Article
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In this study, a PID-nested nonsingular terminal sliding controller is proposed to minimize the chattering phenomenon. By adding both integral and derivative errors of states into the nonsingular terminal sliding manifolds, a composite sliding manifold was created. Compared to nonsingular terminal sliding mode (NTSM) techniques, this sliding manifo...
Article
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As equações diferenciais são aplicadas na resolução de problemas de diversas áreas e sua compreensão é relevante na modelagem de vários fenômenos. Tendo em vista a aplicabilidade destas equações, é proposta uma sequência de ensino investigativa, em que o percurso é iniciado pela apresentação de situações que envolvam a aplicação do conteúdo. Simula...
Article
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El presente estudio tubo como propósito evaluar la eficacia de la formación técnica en soldadura de arco eléctrico destinada al personal auxiliar de la Unidad Educativa Hispanoamérica, la misma que se llevó a cabo mediante el enfoque mixto que combinó métodos cuantitativos y cualitativos. El diseño de la investigación fue tanto descriptivo como exp...
Article
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This comment refers to the data presented in this paper “M. Han, H. Kim, C. Leal, M. Negrito, J. D. Batteas, R. M. Espinosa‐Marzal, Insight into the Electrical Double Layer of Ionic Liquids Revealed through Its Temporal Evolution. Adv. Mater. Interfaces 2020, 7, 2001313. https://doi.org/10.1002/admi.202001313” and proposes the potential origin for...
Article
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The growth state of pepper plants under different soil conditions under drought stress was studied, using RGB decomposition, thermal infrared imaging, plant electrical signal and electrochemical fingerprinting. Since porous biochar can trap more water, plants in a soil-biochar environment grow better than those in the original soil. With the increa...
Article
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Small aperture (∼2 µm) oxide‐confined single‐mode (SM) Vertical‐Cavity Surface‐Emitting Lasers (VCSELs) are capable of intrinsic optical modulation bandwidth above 42 GHz at low currents (∼2 mA). The measured optical bandwidth is limited to ∼36‐38 GHz by the VCSEL resistance and capacitance (RC parasitics). To match requirements for industrial VCSE...
Article
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The research addresses the lack of practical competencies in the electrical installations-I (IE-1) course at the School of Mechanical and Electrical Engineering (EPIME) at the National Technological University of Lima Sur, where the current content is mostly theoretical. To solve this problem, the course was moved to the Electrical Installations La...
Article
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The arc erosion characteristics and the tribological properties of Ag–Cr2AlC composite materials are investigated systematically. The eroded traces on Ag–Cr2AlC surfaces, varying with composition, exhibit different dispersion degrees. Notably, Ag‐30 vol% Cr2AlC material exhibits the lowest arc energy and breakdown current. After arc erosion, Ag–Cr2...
Article
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The different forms of stimulation have been accompanied throughout their evolution by various methods of assessing electrical synchrony, the most widely used being the 12-lead electrocardiogram. However, the emergence of new paradigms and the breakdown of various concepts that have been entrenched for years have allowed the emergence of new evalua...
Preprint
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Electrically and magnetically charged (a.k.a. dyonic) black holes with scalar hair have recently been constructed for a sextic scalar field potential. Here, we re-investigate this model, but with a bounded scalar field potential of exponential form. We demonstrate that qualitative differences appear. First, we present scalar clouds on (dyonic) Reis...
Article
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A comprehensive understanding of electrical energy consumption patterns is essential for strategizing and monitoring the use of energy resources. Industry and business customers of electrical have energy consumption patterns that vary widely depending on the type of industry, business size, and operating hours. This research uses clustering analysi...
Article
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Resumen Objetivo: Calcular la tasa de hipotermia no intencionada en cirugía de colon y recto y describir la mejor forma de controlarla. Diseño, participantes, intervenciones y mediciones: se realizaron mediciones intraoperatorias de la temperatura central de los pacientes sometidos a cirugía de colon y recto entre Marzo y Junio de 2023 (29 paciente...
Article
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El editorial de la Revista Ciencias Sociales de la Universidad Central del Ecuador analiza la grave crisis energética del país, atribuyéndola a decisiones políticas neoliberales que priorizaron la privatización y el ajuste fiscal sobre la inversión a largo plazo en el sector eléctrico. Se critica la falta de planificación estratégica, la improvisac...
Article
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O desenvolvimento da robótica ocorreu em função da busca do homem em construir equipamentos que pudessem auxilia-lo ou mesmo substituí-lo no ambiente de trabalho insalubre. É comum utilizar na indústria robôs com estrutura cinemática serial, neste caso os atuadores e peças movidas são dispostos em série, formando uma única cadeia cinemática aberta,...
Article
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Esta investigación trata sobre el perfil profesional del ingeniero eléctrico de la Universidad Distrital “Francisco José de Caldas” adaptándose a un mercado laboral en constante evolución. Las habilidades técnicas se enmarcan en los ejes de formación: Conversión y Gestión eficiente de la energía, Sistemas de Potencia y Sistemas energéticos sostenib...
Article
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El sistema de excitación (SE) del generador síncrono tiene como función principal la regulación de voltaje terminal, y cuando es necesario se adiciona un estabilizador de potencia (ESP), para amortiguar oscilaciones de baja frecuencia (OSBF). La sintonización del ESP se realiza en un punto de operación cuando aparecen oscilaciones electromecánicas...
Article
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Los estudios de arc flash permiten evaluar riesgos asociados con arcos eléctricos y definir los requerimientos de protección personal en instalaciones eléctricas. Este trabajo propone una metodología para realizar estos estudios utilizando software libre como alternativa a las herramientas comerciales. El análisis requiere de un procedimiento de cá...
Article
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Laser machining has become an excellent choice for cutting thin metal substrates due to its ability to deliver high-quality cuts with minimal material waste and fast processing times. In this research, a Nd: YAG nanosecond laser was studied for cutting a hole of a thin electrical steel, with a thickness of 0.1 mm. The trepanning technique was targe...
Article
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Article Torus-Event-Based Sliding Mode Control for Networked Interval Type-2 Fuzzy Systems Under Deception Attacks Xingwang Liu 1, Zhi Ling 2,*, and Yang Zhang 2 1 College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan 030024, China 2 School of Automation, Nanjing University of Science and Technology, Nanjing 210094,...
Article
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Este estudo analisa os benefícios da certificação de Selo Verde da Prefeitura Municipal de Sertãozinho-SP para empresas certificadas, com base em um estudo de caso no setor de equipamentos de geradores elétricos. A pesquisa qualitativa evidencia que a certificação promove melhorias na gestão ambiental, e incentiva práticas sustentáveis e fortalece...
Presentation
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In this presentation, Dr Amina Bensalah provided a comprehensive overview of the emerging trends in the design and development of electrical generators for largescale wind turbines. To fully understand the advancements in generator technology, it is essential to consider the entire conversion system, with particular emphasis on the structural and m...
Article
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In this study, the annual electricity consumption of nine real houses from different cities in Türkiye was recorded on a monthly basis. The feasibility of meeting the electrical energy needs of houses with hydrogen and supplying the energy required for hydrogen production using solar panels is examined. The annual electricity consumption of the hou...
Article
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Los sistemas eléctricos incluyen centrales de generación, líneas de transmisión y sistemas de distribución, cada uno con impactos ambientales. No obstante, los sistemas de distribución son de particular significancia, por el uso de transformadores con aceites dieléctricos que muchas veces contienen bifenilos policlorados (PCBs), que constituyen Com...
Article
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We investigated lung aeration during preoxygenation, mask ventilation, ventilation via endotracheal tube, and the two apnoeic phases in-between. Using electrical impedance tomography we assessed global inhomogeneity, ventral-to-dorsal ventilation distribution, the area of ventilated lung and end-expiratory lung volume loss. Global inhomogeneity was...
Article
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A condutividade elétrica é um método de avaliação rápido e excelente para avaliação da viabilidade das sementes. Tendo isso em vista, o objetivo do trabalho foi selecionar progênies de Handroantus serratifolius para porta sementes no Distrito Federal, Brasil. As sementes passaram por processo de beneficiamento para retirar as alas, após isso foram...
Article
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This study investigates SnO2-based varistors in the SnO2-Co3O4-Cr2O3-Nb2O5 system with varying B2O3 doping concentrations to optimize both electrical properties and thermal conductivity. The experimental formulation involved doping B2O3 with fixed concentration ratios of Co3O4, Cr2O3, and Nb2O5 (ranging from 0 mol% to 0.35 mol%), and the microstruc...
Article
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To meet the requirements of real-time reactive power dispatch in wind farms, the method based on equal ratio of reactive power capacity is widely used, because it does not need power flow modeling and iterative solution. However, this method may cause the wind turbines (WT) with a long electrical distance to allocate too much reactive power, result...
Article
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Based on the current situation of practical teaching in the field of electrical specialty, integrating the teacher team, building the curriculum chain, and closely following the three dimensions of "knowledge", "ability", and "quality", virtual simulation practical teaching is offered to break the teaching bottleneck of difficult to complete physic...
Cover Page
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The Cover page is the acceptance certificate of your Wind turbine manuscript, and Editors thank us for submitting our work to Energies Quarter 1 Journal as of 2025
Article
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O setor elétrico brasileiro se desenvolveu a partir das demandas da sociedade ao longo do tempo. Políticas públicas foram criadas no intuito de organizar, estruturar e conduzir o setor ao crescimento. Este estudo tem como objetivo identificar e descrever as políticas públicas relacionadas a distribuição de energia elétrica no Brasil. Trata-se de re...
Article
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We previously developed a novel needle-free reagent injection method based on electrically induced microbubbles. The system generates microbubbles and applies repetitive mechanical oscillation associated with microbubble dynamics to perforate tissue and introduce a reagent. In this paper, we propose improving the reagent injection depth by reflecti...
Preprint
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Ga2O3 Schottky barrier diodes featuring a field plate and a composite SiO2/SiNx dielectric layer beneath the field plate were fabricated, achieving a breakdown voltage of 2.4 kV at room temperature. Electrical performance and degradation were analyzed via I-V and C-V measurements from 25 {\deg}C to 500 {\deg}C, revealing temperature-dependent trans...
Article
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Colloidal particles in water exhibit increased sedimentation velocity under a horizontal DC electric field of several V/mm compared to no field. Hollow particles with a lower density than water show an increased ascent velocity with the horizontal electric field. These phenomena suggest that colloidal particles form flocs due to the electric field,...
Article
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Aging or damaged electrical connectors always suffer intermittent failures (IFs) during operation. Because there are few quantitative studies on electrical connector intermittent failure mechanisms, the intermittent failures of electrical connectors are difficult to isolate. Therefore, the mechanism and dynamic characteristics of intermittent failu...
Chapter
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Der piezoelektrische Effekt, erstmals entdeckt von den Brüdern PIERRE und JACQUES CURIE, verknüpft elektrische mit mechanischen Größen und umgekehrt. Werden pie- zoelektrische (monokristalline) Materialien (z. B. Quarz, Turmalin) entlang bestimmter Kristallorientierungen mit elektrischen Signalen beaufschlagt, so kommt es zu einer Deformation entla...
Article
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Production of magnets by electrically heated powder rolling can potentially solve problems such as the difficulty of mass production by conventional sintering using a die upset. The purpose of this study is to investigate whether plate-shaped Nd-Fe-B magnets can be produced by electrically heated powder rolling, which is a method that has not been...
Conference Paper
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Resumo: Este estudo explora o uso de simuladores de realidade virtual (VR) como uma ferramenta de treinamento inovadora no processo de soldagem Gas Metal Arc Welding (GMAW). Simuladores de VR oferecem um ambiente controlado e seguro, permitindo aos alunos praticarem técnicas de soldagem sem os riscos inerentes aos ambientes reais, ao mesmo tempo em...
Article
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Este artículo analiza estrategias para reducir los tiempos de interrupción del servicio eléctrico en proyectos de distribución ejecutados por contratistas en el cantón Morona en la provincia de Morona Santiago. Se determina que los principales problemas que ocasionan interrupciones prolongadas son una inadecuada planificación, una comunicación inef...
Article
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La demanda de electricidad es esencial en la planificación de sistemas de energía, y su estimación exacta facilita la optimización de recursos y la prevención de errores en la red. El estudio de series temporales a través de la serie de Fourier [1] se ha resaltado como un instrumento eficiente para desglosar la carga eléctrica en frecuencias, incre...
Article
Full-text available
Bound states in the continuum (BICs) offer a promising solution to achieving high-quality factor ( Q factor) cavities. However, finite-size effects severely deteriorate the BIC mode in practical applications. This paper reports the experimental demonstration of an electrically pumped 940 nm laser based on optimized BIC cavity, achieving a high Q fa...
Chapter
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Auf Basis der Differenzialgleichung für Biegewellen im vorangehenden Kapitel erfolgt in diesem Kapitel die Untersuchung des dynamischen Verhaltens piezoelektrischer Biegewandler. Es stellt sich hierbei also die Frage, wie sich die kanonisch konjugierten Größen (Verdrehung φ, Verschiebung w, Volumenverschiebung V , Ladungsverschiebung Q) bei harmoni...
Chapter
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Piezoelektrizität ist eine Form von Elektrizität, die auftritt, wenn Materialien mit piezoelektrischen Eigenschaften äußeren mechanischen Belastungen ausgesetzt sind. Eine zentrale Größe im Zusammenhang mit Piezoelektrizität ist das elektrische Feld. In diesem Kapitel werden die grundlegenden physikalischen Eigenschaften des elektrischen Feldes sow...
Chapter
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In den beiden vorhergehenden Kapiteln wurde ausführlich auf die elektrische Energiedichte in einem Festkörper mit dielektrischen Eigenschaften sowie auf die Energiedichte der elastischen Deformation eingegangen. Hieraus konnten zahlreiche physikalische Zusammenhänge gewonnen werden, die es ermöglichen, den Verzerrungs- und Spannungszustand piezoele...
Article
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Este estudo tem como problema de pesquisa verificar como a isenção de tributos sobre a propriedade os veículos elétricos ou híbridos contribuí para o cumprimento de acordos internacionais sobre mudanças climáticas dos quais o Brasil é signatário. Para tanto, o objetivo geral é, desenvolver um quadro analítico abrangente das medidas extrafiscais, ta...
Article
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We report, for the first time to the best of our knowledge, the demonstration of electrically pumped laser oscillation of C-band InAs quantum dot vertical-cavity surface-emitting lasers (QD VCSELs), fabricated on InP(311)B substrates by applying a strain compensation technique. Under room-temperature pulsed operation, these devices exhibit a thresh...
Article
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Se realizó un análisis termográfico en los sistemas eléctricos de la subestación eléctrica CNEL EP en Santo Domingo, con el objetivo de identificar posibles fallas térmicas y evaluar el desempeño de los equipos eléctricos. El enfoque de la investigación fue tanto cuantitativo como cualitativo. La metodología consistió en la aplicación de cámaras te...
Article
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Penelitian dilakukan di desa Batik Nau,Kecamatan Batik Nau, Kabupaten Bengkulu Utara yang rentan terkena banjir pada saat musim penghujan,sehingga dapat mengganggu aktivitas lalu lintas.Tujuan dari penelitian ini adalah untuk mengetahui jenis litologi batuan di desa Batik Nau serta untuk melihat pengaruhnya terhadap hujan.Penelitian dilakukan denga...
Article
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Droplet manipulation holds significant promise across the energy, environmental, and medical fields. However, current methods still lack a solution that simultaneously satisfies the requirements for self-powered energy supply, high efficiency, human-droplet interaction, flexibility, and universality. Herein, we develop a human-droplet interaction p...
Article
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O cenário atual de crescente demanda energética faz surgir discussões acerca da eficiência e da sustentabilidade dos atuais sistemas de distribuição elétrica, o aumento constante do consumo de energia nas horas de ponta exige uma solução sustentável e de baixo custo para reduzir o stress dos sistemas de distribuição elétrica. Para resolver este pro...
Article
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Carbon materials have played a pivotal role in humanity’s progress since ancient times [...]