Thematische Bibliographien / Power adapter

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Auswahl der wissenschaftlichen Literatur zum Thema „Power adapter“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 2. Februar 2022

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Zeitschriftenartikel zum Thema "Power adapter"

Kim, Jaemin, Donghwa Shin, Donkyu Baek, and Jaehyun Park. "Design and Optimization of Supercapacitor Hybrid Architecture for Power Supply-Connected Batteries Lifetime Enhancement." Electronics 8, no. 1 (2019): 41. http://dx.doi.org/10.3390/electronics8010041.

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AC power adapters for battery-operated systems, such as smartphones and notebook computers, not only supply run-time power to operate the devices but also charge the built-in batteries. The capacity of the adapter is optimized for the average power demand rather than the maximum power demand to reduce the size and weight of the adapter. Such a reduced capacity adapter may cause the battery to age even when the device is operated with the power adapter while under higher power demand, which is different from the expectation of most users. A recent study proposed a supercapacitor assist architecture to reduce the battery aging when the battery is powered by the adapter. However, the previous work only shows the potential of the architecture. In this work, we propose a design methodology to find the optimal setup for the supercapacitor hybrid architecture considering supercapacitor array structure and power conversion efficiency. The results show that a supercapacitor having 17.5 mF capacity and 20 V withstand voltage is enough to supply the deficient energy of a reduced capacity power adapter.

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Wang, Shu Hai, Shu Wang Chen, and Yue Su. "Design of Laptop Power Adapter Circuit." Applied Mechanics and Materials 427-429 (September 2013): 909–12. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.909.

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In the design of laptop power adapter, the former stage is the power factor correction PFC converter; the after stage is DC/DC converter. The control part controls chip through an integrated PFC and PFM control integrated. In this two structures, the former stage PFC often using traditional inductor current critical conduction mode Boost converter to achieve sinusoidal input current to the whole form, thus reducing input current harmonics with a high power factor, keep a long time , simple structure and low cost.

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Fanlong Dong, Fanlong Dong, Xinhai Zhang Xinhai Zhang, and Feng Song Feng Song. "Thermal expanded core technique applied to high power fiber mode field adapter." Chinese Optics Letters 16, no. 3 (2018): 030602. http://dx.doi.org/10.3788/col201816.030602.

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Lee, Jun-Young. "Design of High Power Density AC/DC Adapter." Transactions of the Korean Institute of Power Electronics 15, no. 4 (2010): 259–65. http://dx.doi.org/10.6113/tkpe.2010.15.4.259.

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Song, Ying Ying, Hong Min Wang, Ling Yu, and Feng Wu Su. "Research and Design of a 100W Adapter Applicable to Laptop." Advanced Materials Research 971-973 (June 2014): 1206–9. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.1206.

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A 100W adaptor with universal voltage range 90-265VAC input and 20V/5A output is designed in this paper .The prototype adopted a new level two-stage high power factor power adapter, the PFC(Power Factor Correction) is a Boost converter operating in discontinuous current mode boundary,and the DC/AC using flyback converters. The experimental results showed that the effectiveness of the proposed approach.

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Tang, Wen Xiu, and Wei Yu Zheng. "Power System Simulation Data Description and Conversion." Advanced Materials Research 765-767 (September 2013): 2485–88. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.2485.

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The commercial power system simulation software data formats are different.The type of data format conversion is a widespread yet to be solved problem.It is likely to achieve the PSD BPA interface transient model description and develop PSD BPA interface/ODM adapter program due to the improvement and expansion of open data model (ODM),using the adapter to achieve BPA Interface ODM/Inter PSS data conversion,finally verify the development of adapter is correct through IEEE9 node and a practical system conversion thus illustrating the feasibility and convenience of data conversion based on ODM..The development of procedures is open in ODM item and is meaningful to the development of other data formats.

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Bluss, Kaspars. "Development of Underwater Laser Scaling Adapter." Scientific Journal of Riga Technical University. Environmental and Climate Technologies 10, no. 1 (2012): 4–8. http://dx.doi.org/10.2478/v10145-012-0018-6.

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Abstract In this paper the developed laser scaling adapter is presented. The scaling adapter is equipped with a twin laser unit where the two parallel laser beams are projected onto any target giving an exact indication of scale. The body of the laser scaling adapter is made of Teflon, the density of which is approximately two times the water density. The development involved multiple challenges - numerical hydrodynamic calculations for choosing an appropriate shape which would reduce the effects of turbulence, an accurate sealing of the power supply and the laser diodes, and others. The precision is estimated by the partial derivation method. Both experimental and theoretical data conclude the overall precision error to be in the 1% margin. This paper presents the development steps of such an underwater laser scaling adapter for a remotely operated vehicle (ROV).

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N, Vinothini, Naveen Kumar D, Uma Maheswari T, and Kanimozhi T. "Low Power Devices for an Electronic Adapter with Mitigating the Soft Errors." IOSR Journal of Electrical and Electronics Engineering 9, no. 2 (2014): 20–27. http://dx.doi.org/10.9790/1676-09232027.

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Xu, Peng, Shen-Yun Wang, and Wen Geyi. "Design of an effective energy receiving adapter for microwave wireless power transmission application." AIP Advances 6, no. 10 (2016): 105010. http://dx.doi.org/10.1063/1.4966050.

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Lee, Byoung-Hee, and Gun-Woo Moon. "Zero No-Load Power AC/DC Adapter for Electronic Equipment With Embedded Battery." IEEE Transactions on Power Electronics 28, no. 7 (2013): 3073–76. http://dx.doi.org/10.1109/tpel.2012.2222670.

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Dissertationen zum Thema "Power adapter"

Urban, Michal. "Návrh a vývoj napájecího zdroje notebooků do běžných motorových vozidel." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442523.

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Cílem této práce je navrhnout a sestavit napájecí zdroj pro notebooky různých výrobců pro použití v osobních a nákladních automobilech a na motocyklech s výstupním výkonem až 120W. Výsledný zdroj obsahuje USB-C konektor pro podporu napájení notebooků a chytrých zařízení s podporou Power Delivery, dále USB-A konektor s podporou Quick Charge 3.0 a také 12V automobilovou zásuvku pro možnost připojení dalšího automobilového příslušenství. Napájecí zdroj dále disponuje ochranou proti přepětí a přepólování vstupního napětí a také ochranou proti přetížení jednotlivých výstupů. Součástí zařízení je také LED displej, který uživateli umožňuje pomocí vstupního rozhraní jednoduše nastavit výstupní napětí pro notebook a sledovat aktuální hodnoty všech výstupů. Pro nastavování výstupu, indikaci a ochrany je použit mikrokontroler Arduino Nano.

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Frayssinet, Loïc. "Adapter les modèles de chauffage et climatisation des bâtiments en puissance à l'échelle du quartier." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI071/document.

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Les modèles énergétiques des bâtiments à l’échelle du quartier sont généralement simplifiés pour faire face au manque de données et pour réduire le coût de calcul. Cependant, l’impact de ces simplifications sur la validité des modèles n’est pas systématiquement analysée, en particulier lorsqu’on s’intéresse à la courbe de charge. Pour combler ce manque, une méthodologie permettant de quantifier la validité des simplifications, notamment vis-à-vis de la courbe de charge, est proposée. Cette méthodologie est appliquée aux simplifications couramment utilisée pour les modèles thermiques d’enveloppe de bâtiments grâce à une plateforme numérique développée dans le cadre de cette thèse. Cette plateforme permet de générer et simuler automatiquement des modèles énergétiques de bâtiments, avec différents niveaux de détails, à partir de données issues de systèmes d’information géographique. La parallélisation des simulations énergétiques des bâtiments est utilisée à l’échelle du quartier, afin de tirer avantage de la structure du modèle global et de réduire les temps de calculs. La définition d’indicateurs spécifiques selon l’objectif de simulation apparait clairement comme l’étape essentielle lorsque l’on s’intéresse à la courbe de charge. Les résultats indiquent que la puissance est plus sensible aux simplifications que la consommation annuelle d’énergie. Les différents effets induits sont quantifiés et analysés physiquement. La capacité de l’échelle du quartier à atténuer les impacts des simplifications et d’intégrer les données statistiques est démontrée. La quantification des impacts des simplifications permet de guider l’adaptation des modèles vis-à-vis des objectifs de simulation et vis-à-vis des contraintes techniques. Cette contribution a pour objectif d’améliorer la performance des simulations énergétiques à l’échelle de la ville, et de favoriser leur développement, afin de répondre aux enjeux futurs District-scale building energy models are generally simplified to cope with a lack of data and to reduce computational cost. However, the impacts of these simplifications on model accuracy are not systematically studied, particularly when considering power demand. The present manuscript introduces a methodology to determine the suitability of any simplifications, notably those at the district scale, and considering the power demand. This methodology was applied to usual simplifications of the building envelope model thanks to a specific platform developed in the frame of this thesis. This platform enables automatically generating and simulating building energy models with different modelling levels of detail from geographical information systems. The parallelisation of the building energy simulations was notably implemented at the district scale in order to benefit from the model structure and to efficiently reduce the computational duration. The definition of indicators related to specific simulation objectives appears to be a necessary step when focusing on power demand. The results show a higher sensitivity to simplifications of the power demand than the annual energy consumption. These effects are quantified and physically analysed. The district-scale ability to attenuate the impacts of simplifications and to integrate statistical sources of data were demonstrated. The resulting quantification of the impacts of the simplifications made it possible to guide the adaptations of models to the simulation objectives and to the technical constraints. Such contribution aims to increase the efficiency and to favour the development of city-scale energy simulations, which are particularly needed to cope with future challenges

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Mehenni, Mohamed. "Contribution à l'étude d'une chaine de télémesure : application aux capteurs-émetteurs implantés alimentés par champ électromagnétique haute fréquence." Vandoeuvre-les-Nancy, INPL, 1991. http://docnum.univ-lorraine.fr/public/INPL_T_1991_MEHENNI_M.pdf.

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La mesure d'un signal biologique dans le cas de certaines applications médicales ou d'un signal quelconque sur site hostile, nécessite souvent la présence d'une chaine de télémesure. A cette fin, la conception et la réalisation d'un système de télémesure sont traitées dans ce mémoire. Pour la transmission du signal utile, un microémetteur fonctionnant en Fm et en FSK dans la gamme VHF a été développé. Cette gamme de fréquence permet l'utilisation d'une antenne quart d'onde de dimension réduite. Comme ce système de télémesure est destiné à être implanté soit in-vivo soit en milieu hostile, l'alimentation à long terme des circuits électroniques devient un problème essentiel. Un prototype d'alimentation externe par champ électromagnétique haute fréquence a donc été conçu et expérimenté. Un adaptateur d'impédance d'antenne s'est avéré indispensable entre la charge optimale de l'oscillateur et la résistance de rayonnement de l'antenne quart d'onde. Les paramètres optimaux de l'oscillateur, de l'adaptateur d'antenne et de l'alimentation externe ont été obtenus par une méthode numérique d'optimisation. Chaque émetteur a été simulé à l'aide du logiciel de CAO (SPICE). Les différentes mesures effectuées sur le microémetteur et l'alimentation externe sont exposées et discutées dans ce mémoire The measurement of a biological signal in the case of some medical applications or in the case of any given signal in hostile site, requires often a telemetry chain. For this aim, the conception and realization of a telemetry system are treated in this report. To transmit a useful signal, a transmitter operating in FM ans FSK in the VHF range has been developed. This range of frequency allows the use of reduced size of an antenna. As this telemetry system is intended to be implanted either in-vivo or in hostile medium, the long life power supply of electronics circuits becomes an important parameter. A prototype of external power supply by high frequency electromagnetic waves has therefore been designed and experimented. An antenna adapter is necessary between the optimal load of oscillator and the antenna. The optimal parameters of oscillator, antenna adapter and external power supply, were obtained by a numerical method of optimization. Each transmitter has been simulated by the CAD software SPICE. The different measurements carried out on the transmitter and the external power supply are exposed and discussed in this thesis

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Tseng, Ryan. "Commercialization strategies for emerging technologies : wireless power in the market for external power adapters." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/49766.

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Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management, 2009. Includes bibliographical references (leaves 52-54). The purpose of this thesis is to explore the different challenges facing start-ups that are engaged in intense competition to lead the commercialization of a complex technology that is initially unable to meet the demands of a market. Technology, intellectual property, and go-to market strategies are proposed with a particular focus on wireless power technology in the market for external power adapters. Wireless power technology is a revolutionary technology that promises to replace the two billion external power adapters that are sold every year. It is a seemingly attractive opportunity for a start-up company, but the technology is complicated, the intellectual property landscape is dense, and the competition is intense. The technology will be sold into the pre-existing market for external supplies, which is reeling from declining prices and margins. The market is in need of change, and is looking for innovations that will improve the situation. The commercialization of wireless power technology is a case example of how start-up technology companies can accelerate development times, reduce risk, and build sustainable competitive advantage by carefully planning their technology approach, fully understanding the intellectual property landscape, and leveraging the principles of open innovation. A technology strategy requires the selection of a technology vector which should be determined by weighing the importance of individual product features against the expected levels of technical risk. (cont.) Within its technology vector, a company must evaluate the strategic importance the various engineering activities based on whether they enable freedom to operate, contribute to the creation of blocking patents, and/or are outside the expertise of potential partner organizations. The start-up should intensely focus its engineering resources on the strategically important activities while farming the remainder of the development work to partner organizations within the greater value chain. A start-up entrenched in a competitive battle to serve a hungry market; with a green technology solution, faces a difficult choice: go to market niche by niche and face irrelevance in the greater market, or swing for the fences and risk bankruptcy. There are options beyond the traditional approaches, and in this case, a three track commercialization strategy is appropriate. by Ryan Tseng. M.B.A.

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Huang, Yong. "Development of a Rectenna Adapted to Ultra-wide Load Range for Microwave Power Transmission." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199316.

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Uryu, Alexander [Verfasser]. "Development of a Multifunctional Power Supply System and an Adapted Qualification Approach for a University Small Satellite / Alexander Uryu." München : Verlag Dr. Hut, 2013. http://d-nb.info/1031844821/34.

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Sun, Jing. "New leading/trailing edge modulation strategies for two-stage AC/DC PFC adapters to reduce DC-link capacitor ripple current." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/5801.

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AC/DC adapters mostly employ two-stage topology: Power Factor Correction (PFC) pre-regulation stage followed by an isolated DC/DC converter stage. Low power AC/DC adapters require a small size to be competitive. Among their components, the bulk DC-link capacitor is one of the largest because it should keep the output voltage with low ripple. Also, the size of this capacitor is penalized due to the universal line voltage application. Synchronization through employing leading edge modulation for the first PFC stage and trailing edge modulation for the second DC/DC converter stage can significantly reduce the ripple current and ripple voltage of the DC-link capacitor. Thus, a smaller DC-link capacitance can be used, lowering the cost and size of the AC/DC adapter. Benefits of the synchronous switching scheme were already demonstrated experimentally. However, no mathematical analysis was presented. In this thesis, detailed mathematical analyses in per-unit quantity are given to facilitate the calculation of the DC-link capacitor ripple current reduction with Leading/Trailing Edge Modulation strategies. One of the limitations of leading/trailing edge modulation is that the switching frequencies of the two stages need to be equal to achieve the best reduction of the DC-link capacitor ripple current. The DC-link capacitor ripple current will become larger if the switching frequency of the DC/DC converter is larger than that of the PFC pre-regulator, which blocks us to employ higher frequency for isolated DC/DC converter to reduce its transformer size. This thesis proposed a new Leading/Trailing Edge Modulation strategy to further reduce the DC-link bulk capacitor ripple current when switching frequency of DC/DC converter stage is twice the switching frequency of PFC stage. This proposed pulse width modulation scheme was verified by simulation. Experimental results obtained through digital control based on FPGA are also presented in this thesis.

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Isaksson, Olle. "Model-based Diagnosis of a Satellite Electrical Power System with RODON." Thesis, Linköping University, Linköping University, Vehicular Systems, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-16763.

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As space exploration vehicles travel deeper into space, their distance to earth increases.The increased communication delays and ground personnel costs motivatea migration of the vehicle health management into space. A way to achieve thisis to use a diagnosis system. A diagnosis system uses sensor readings to automaticallydetect faults and possibly locate the cause of it. The diagnosis system usedin this thesis is a model-based reasoning tool called RODON developed by UptimeSolutions AB. RODON uses information of both nominal and faulty behavior ofthe target system mathematically formulated in a model.The advanced diagnostics and prognostics testbed (ADAPT) developed at theNASA Ames Research Center provides a stepping stone between pure researchand deployment of diagnosis and prognosis systems in aerospace systems. Thehardware of the testbed is an electrical power system (EPS) that represents theEPS of a space exploration vehicle. ADAPT consists of a controlled and monitoredenvironment where faults can be injected into a system in a controlled manner andthe performance of the diagnosis system carefully monitored. The main goal of thethesis project was to build a model of the ADAPT EPS that was used to diagnosethe testbed and to generate decision trees (or trouble-shooting trees).The results from the diagnostic analysis were good and all injected faults thataffected the actual function of the EPS were detected. All sensor faults weredetected except faults in temperature sensors. A less detailed model would haveisolated the correct faulty component(s) in the experiments. However, the goal wasto create a detailed model that can detect more than the faults currently injectedinto ADAPT. The created model is stationary but a dynamic model would havebeen able to detect faults in temperature sensors.Based on the presented results, RODON is very well suited for stationary analysisof large systems with a mixture of continuous and discrete signals. It is possibleto get very good results using RODON but in turn it requires an equally goodmodel. A full analysis of the dynamic capabilities of RODON was never conductedin the thesis which is why no conclusions can be drawn for that case.

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Garriga, Castillo Juan Antonio. "Procesado de potencia y arquitecturas eléctricas adaptadas para aplicaciones de harvesting en baja tensión. Power processing and electricla architectures adapted to low-voltage harvesting-based applications." Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/669971.

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En aquest treball es presenta l'anàlisi, disseny i realització d'un sistema per a la recollida d'energia undimotriu de baixa potència, és a dir, extreure petita energia de les onades de la mar per a l'alimentació d'un equip autònom alimentat per bateria.Aquest sistema consta d'un captador d'energia flotant, i d'una etapa processadora d'energia per interconnectar l'element captador amb la bateria de el sistema. El captador d'energia és un dispositiu articulat realitzat en fusta i conté tres transductors inductius interconnectats entre si. Després de la introducció i l'estat de l'art, la tesi comença examinant diversos dispositius comercials de captació d'energia, després, presenta el transductor inductiu desenvolupat, el sistema de recollida articulada, els processadors d'energia estudiats, i després de les simulacions i verificacions experimentals corresponents , conclusions i línies futures de treball. Per extreure petites quantitats d'energia de les onades de la mar, aquest prototip, coordina el moviment de tres imants interns a tres bobines individuals interconnectades elèctricament entre si. Aprofitant la pujada i baixada de les onades de la mar, es produeix un moviment oscil·lant lineal de cada imant a l'interior de l'transductor (bobina) que genera un pols elèctric induït a la bobina. L'energia així recol·lectada s'emmagatzemarà en una bateria la qual alimentarà un sistema autònom, per exemple, un equip de telemetria, estació meteorològica, etc., situada a alta mar. Per maximitzar l'energia recol·lectada, es requereix d'un circuit interfície que adapti la impedància entre el conjunt de transductors que forma el generador i la bateria de el sistema. Es proposen dos circuits convertidors DC / DC, un Híbrid Buck-Boost (HBB) i un convertidor SEPIC com circuits adaptadors d'impedància. Tots dos convertidors es controlaran en mode lliscant, així doncs, els convertidors es comportaran com una resistència lliure de pèrdues (LFR-Loss Free Resistor), la impedància d'entrada està regulada per a que coincideixi amb la impedància de sortida de el generador. Després d’estudi i anàlisis teòriques, s’ofereixen diversos resultats de simulació i experimentació que permeten comparar el rendiment d’ambdós circuits adaptadors. En este trabajo se presenta el análisis, diseño y realización de un sistema para la recolección de energía undimotriz de baja potencia, es decir, extraer pequeña energía de las olas del mar para la alimentación de un equipo autónomo alimentado por batería. Este sistema consta de un captador de energía flotante, y de una etapa procesadora de energía para interconectar el elemento captador con la batería del sistema. El captador de energía es un dispositivo articulado realizado en madera y contiene tres transductores inductivos interconectados entre sí. Tras la introducción y el estado del arte, la tesis comienza examinando diversos dispositivos comerciales de captación de energía, después, presenta el transductor inductivo desarrollado, el sistema de recolección articulada, los procesadores de energía estudiados, y después de las simulaciones y verificaciones experimentales correspondientes, conclusiones y líneas futuras de trabajo. Para extraer pequeñas cantidades de energía de las olas del mar, este prototipo, coordina el movimiento de tres imanes internos a tres bobinas individuales interconectadas eléctricamente entre sí. Aprovechando la subida y bajada de las olas del mar, se produce un movimiento oscilante lineal de cada imán en el interior del transductor (bobina) que genera un pulso eléctrico inducido en la bobina. La energía así recolectada se almacenará en una batería la cual alimentará un sistema autónomo, por ejemplo, un equipo de telemetría, estación meteorológica, etc., situada en alta mar. Para maximizar la energía recolectada, se requiere de un circuito interfaz que adapte la impedancia entre el conjunto de transductores que forma el generador y la batería del sistema. Se proponen dos circuitos convertidores DC/DC, uno Híbrido Buck-Boost (HBB) y un convertidor SEPIC como circuitos adaptadores de impedancia. Ambos convertidores se controlarán en modo deslizante, así pues, los convertidores se comportaran como una resistencia libre de pérdidas (LFR-Loss Free Resistor), cuya impedancia de entrada está regulada para que coincida con la impedancia de salida del generador. Después del estudio y análisis teórico, se ofrecen varios resultados de simulación y experimentales que permiten comparar el rendimiento de ambos circuitos adaptadores. In this work, the analysis, design and realization of a system for the collection of low-energy wave energy for the feeding of an autonomous battery-powered equipment is presented. This system consists of a floating energy sensor, and an energy processing stage to interconnect the sensor element with the system battery. The energy collector is an articulated device made of wood and contains three inductive transducers interconnected with each other. After this introduction and the state of the art, the thesis begins by examining various commercial energy collection devices, then introducing the developed inductive transducer, the articulated collection system, then the energy processors studied, and after the corresponding simulations and verifications experimental, future conclusions and lines of work are addressed. To extract small amounts of energy from the waves of the sea, this prototype, coordinates the movement of three internal magnets to three individual coils electrically interconnected with each other. Taking advantage of the rise and fall of sea waves, there is a linear oscillating movement of each magnet inside the transducer (coil) that generates an induced electrical pulse in the coil. The energy harvested by the developed prototype will be stored in a battery and can be used as the energy source of a self-powered autonomous electrical system like for example a telemetry equipment, a weather station, etc., located on the high seas. In order to maximize the energy harvested by this process, an impedance matching interface circuit between the battery and the transducers (energy generator) must be developed. Two DC-DC converters, a hybrid Buck-Boost (HBB) converter and a SEPIC converter are proposed in this work as impedance matching circuits. Both converters will be controlled in sliding mode. Hence, the converters will behave as a Loss Free Resistor (LFR) where the input impedance is regulated to match the output impedance of the generator. Several simulated and experimental results have been obtained based on the previous theoretical analysis of the proposed system. Based on this results, a comparison between the performance of both impedance matching circuits has been carried out.

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Andersson, William, and Adrian Aune. "Development of improved determination process : Adapted for nominal setup at Volvo Car Corporation based on static, dynamic and thermal contributions." Thesis, Linköpings universitet, Maskinkonstruktion, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-170864.

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A nominal setup at Volvo Cars Corporation is the placement determination for two adjacent exterior parts on the car. To place the parts in optimal positions, nominal values for gaps and flushes are determined. When a nominal setup becomes more complex, VSA (Vehicle System Architect) is summoned. These appearing situations regard the involvement of several attributes and the need for a combination of vari- ous contributions. There are static, dynamic (overslam or dynamic movement) and thermal contributions that are combined into nominal values of gap and flush dis- tances. The determination process of a nominal setup contains both calculation for each contribution, as well as the combination method which takes place at the VSA meetings. This Master Thesis project consists of the development of an improved determination process for nominal setups. The current determination process has a low level of transparency within the differ- ent group’s methods. Another issue is the insecurity of the probability estimations made when combining the contributions. Therefore, the focus of the project was to infuse a greater understanding of the contribution derivations, and greater insight into the probability of the taken risks. To achieve that, the project was divided into three parts; mapping of the determination process, individual contribution improve- ments and finally, improvements to the combination method. In contemplation of improving a process, plenty of knowledge needs to be gathered, regarding methods, simulations and possibilities. This was executed by interviewing experts within spe- cific areas at the different groups at VCC. Development of the improvements was done by interviews and various studies. It was shown that the mapping of the determination process increased the trans- parency between the groups as it increased the understanding of individual groups’ work. Contribution improvements lead to more realistic load cases used for dimen- sioning. A performed overslam clinic, where closing velocity data of a tailgate were collected, lead to a greater statistical base for which load case should be used. For dynamic movement, another method is proposed that considers relative movement instead of applied accelerations. For the thermal contribution, the approach of ge- ographically gathered temperature data was proposed. The improved combination method generates combinations with regard to three input values instead of one, from each contribution, to create different combination scenarios. The probabilities of the scenario occurrences are estimated which gave VCC a greater understanding of what risks that are taken. Furthermore, the combination method also educates the VSA meeting attendees by exhibiting the derivations and bases for each contri- bution.

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Bücher zum Thema "Power adapter"

Upgrading and repairing PCs. Que Pub., 2010.

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Scott, Mueller. Upgrading and repairing PCs. Que, 2006.

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Upgrading and Repairing PCs. 2nd ed. Que, 1992.

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Upgrading and repairing PCs. Que, 1999.

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Upgrading and repairing PCs. 8th ed. Que, 1997.

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Scott, Mueller. Upgrading and repairing PCs. Que Corp., 1988.

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Scott, Mueller. Upgrading and repairing PCs. Que, 2000.

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Upgrading and repairing PCs. Que, 2003.

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Upgrading and repairing PCs. 3rd ed. Que Corp., 1993.

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Store, Linux General, ed. Upgrading and repairing PCs. Que, 2000.

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Buchteile zum Thema "Power adapter"

Nadeau, M., P. Léveillé, M. Quessy, and D. Royer. "The Mechanical Power Output of World Class Wheelchair Athletes." In Adapted Physical Activity. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74873-8_13.

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Rutzig, Mateus B., Antonio Carlos S. Beck, and Luigi Carro. "Dynamically Adapted Low Power ASIPs." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00641-8_13.

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Schantz, Otto J. "Adaptation in Students with Down Syndrome: An Experimental Study on the Trainability of Strength and Power." In Adapted Physical Activity. Springer Japan, 1994. http://dx.doi.org/10.1007/978-4-431-68272-1_33.

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Grünenwald, B., W. Hennig, St Nowotny, F. Dausinger, and H. Hügel. "Laser Process Adapted Powder Delivery System." In Laser Processing: Surface Treatment and Film Deposition. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0197-1_20.

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Bartnik, Ryszard, and Zbigniew Buryn. "Economic Efficiency of a Power Unit Adapted to Cogeneration." In Conversion of Coal-Fired Power Plants to Cogeneration and Combined-Cycle. Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-856-0_7.

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Ferrández-Pastor, Francisco-Javier, Juan-Manuel García-Chamizo, Mario Nieto-Hidalgo, Vicente Romacho-Agud, and Francisco Flórez-Revuelta. "Using Wavelet Transform to Disaggregate Electrical Power Consumption into the Major End-Uses." In Ubiquitous Computing and Ambient Intelligence. Personalisation and User Adapted Services. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13102-3_45.

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Valdivieso-Sarabia, Rafael Jesús, Francisco Javier Ferrández-Pastor, Juan Manuel García-Chamizo, and Mario Nieto-Hidalgo. "Distributed Power Management System with Dynamic Load Management Based on Multi-agent System for Smart Grid." In Ubiquitous Computing and Ambient Intelligence. Personalisation and User Adapted Services. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13102-3_58.

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Bastin Solai Nazaran, J., and K. Selvi. "A Covariance Matrix Adapted Evolution Strategy Based Solution to Optimal Power Flow Plus Transmission Charging." In Communications in Computer and Information Science. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25734-6_135.

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Schönhage, Arnold. "Fast parallel computation of characteristic polynomials by Leverrier's power sum method adapted to fields of finite characteristic." In Automata, Languages and Programming. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/3-540-56939-1_90.

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Blanco, Marcos, Jorge Torres, Miguel Santos-Herrán, et al. "Recent Advances in Direct-Drive Power Take-Off (DDPTO) Systems for Wave Energy Converters Based on Switched Reluctance Machines (SRM)." In Ocean Wave Energy Systems. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78716-5_17.

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AbstractThis chapter is focused on Power Take-Off (PTO) systems for wave energy converters (WEC), being one of the most important elements since PTOs are responsible to transform the mechanical power captured from the waves into electricity. It presents Direct-Drive PTO (DDPTO) as one of the most reliable solutions to be adapted to some particular types of WEC, such as point absorbers. A discussion about modularity and adaptability, together with intrinsic characteristics of direct-drive PTOs, is also included. Among the different technologies of electric machines that can be used in direct-drive linear PTOs, switched reluctance machines (SRM) are described in further detail. In particular, the Azimuthal Multi-translator SRM is presented as a suitable solution in order to increase power density and reduce costs. Not only the electric machine, but also the associated power electronics are described in detail. The description includes the different configurations and topologies of power converters and the most appropriate control strategies. Finally, a superconducting linear generator solution is described, presenting it as a reliable alternative for the application of direct-drive PTOs. An example of concept and preliminary design is included in order to highlight the main challenges to be faced during this process.

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Konferenzberichte zum Thema "Power adapter"

Chen, Yang, and Yan-Fei Liu. "Power Adapter with Line Voltage Control for USB Power Delivery." In 2019 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2019. http://dx.doi.org/10.1109/apec.2019.8721828.

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Bilik, Vladimir. "High-Power In-Line Waveguide to Coaxial Adapter." In 2020 30th International Conference Radioelektronika (RADIOELEKTRONIKA). IEEE, 2020. http://dx.doi.org/10.1109/radioelektronika49387.2020.9092386.

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Zuo Zhuang, Zhang Alphaj, and Xu Dianguo. "High frequency high density low profile adapter." In 2012 7th International Power Electronics and Motion Control Conference (IPEMC 2012). IEEE, 2012. http://dx.doi.org/10.1109/ipemc.2012.6259343.

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Xue, Lingxiao, and Jason Zhang. "Active clamp flyback using GaN power IC for power adapter applications." In 2017 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2017. http://dx.doi.org/10.1109/apec.2017.7931041.

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Sivanagappa, V. J., R. Ranjani, A. Shobana, and S. Mutharasu. "Minimization of No-Load Power in AC/DC adapter." In 2013 International Conference on Energy Efficient Technologies for Sustainability (ICEETS). IEEE, 2013. http://dx.doi.org/10.1109/iceets.2013.6533374.

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Liang, Guanhui, Ming Li, Qing Gao, and Yuanzeng Cheng. "Design and implementation of detection adapter of certain firecontrol system." In 2012 Power Engineering and Automation Conference (PEAM). IEEE, 2012. http://dx.doi.org/10.1109/peam.2012.6612489.

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Lee, Byoung-Hee, Byoung-Woo Ryu, Seong-Wook Choi, and Gun-Woo Moon. "AC/DC notebook adapter with 22mW no-load power consumption." In ECCE Asia (ICPE 2011- ECCE Asia). IEEE, 2011. http://dx.doi.org/10.1109/icpe.2011.5944583.

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Pawellek, Alexander. "Low-profile power adapter based on a resonant LCC converter." In 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010). IEEE, 2010. http://dx.doi.org/10.1109/isie.2010.5637781.

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Chen, Xiliang, Tianyang Jiang, Xiucheng Huang, and Junming Zhang. "A high efficiency bridgeless flyback PFC converter for adapter application." In 2013 IEEE Applied Power Electronics Conference and Exposition - APEC 2013. IEEE, 2013. http://dx.doi.org/10.1109/apec.2013.6520423.

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Bong-Chul Kim, Byoung-Hee Lee, Ki-Bum Park, et al. "Adaptive link voltage variation (ALVV) control for high power density adapter." In 2008 IEEE Power Electronics Specialists Conference - PESC 2008. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592064.

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Berichte der Organisationen zum Thema "Power adapter"

McGregor, Lisa, Sarah Frazer, and Derick Brinkerhoff. Thinking and Working Politically: Lessons from Diverse and Inclusive Applied Political Economy Analysis. RTI Press, 2020. http://dx.doi.org/10.3768/rtipress.2020.rr.0038.2004.

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Political economy analysis (PEA) has emerged as a valuable approach for assessing context and the local systems where international development actors seek to intervene. PEA approaches and tools have grown and adapted over the last 40 years through innovations by donor agencies and practitioners. Our analysis of nine PEAs reveals the following findings: PEAs can make positive contributions to technical interventions; engaging project staff in PEAs increases the likelihood that they will be open to a thinking and working politically mindset and approach; inclusion of gender equity and social inclusion (GESI) in PEAs helps to uncover and address hidden power dynamics; and explicitly connecting PEA findings to project implementation facilitates adaptive management. Implementation lessons learned include careful consideration of logistics, timing, and team members. Our experience and research suggest applied PEAs provide valuable evidence for strengthening evidence-based, adaptive, international development programming. The findings highlight the promise of PEA as well as the need for ongoing learning and research to address continued challenges.

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