Academic literature on the topic 'Capacitance converter'
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Journal articles on the topic "Capacitance converter"
Zimoch, Piotr, Marcin Kasprzak, and Kamil Kierepka. "Influence of MOSFET Parasitic Capacitance on the Operation of Interleaved ZVS Boost Converters." Energies 13, no. 22 (November 23, 2020): 6130. http://dx.doi.org/10.3390/en13226130.
Full textMychuda, Zynoviy, Igor Zhuravel, Lesia Mychuda, Adam Szcześniak, Zbigniew Szcześniak, and Hanna Yelisieieva. "Mathematical Modelling of the Influence of Parasitic Capacitances of the Components of the Logarithmic Analogue-to-Digital Converter (LADC) with a Successive Approximation on Switched Capacitors for Increasing Accuracy of Conversion." Electronics 11, no. 9 (May 6, 2022): 1485. http://dx.doi.org/10.3390/electronics11091485.
Full textWang, Li Jun, Dong Fei Wang, Xu Hu Wang, and Shu Heng Shi. "The Design of High-Precision Capacitance Micro-Displacement Sensor." Advanced Materials Research 217-218 (March 2011): 1797–801. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.1797.
Full textEguchi, Kei, Ya Nan Zhang, Shinya Terada, and Ichirou Oota. "A Symmetrical Digital Selecting Type DC-DC Converter with Power Saving Techniques." Applied Mechanics and Materials 666 (October 2014): 77–81. http://dx.doi.org/10.4028/www.scientific.net/amm.666.77.
Full textBasyoni, Marwa S. Salem, A. A. Zekry, and H. F. Ragai. "Enhancing the Output Power of Vibration Based Electrostatic MEMS Energy Converters for Energy Scavenging Systems." Advanced Materials Research 403-408 (November 2011): 4545–50. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.4545.
Full textBHATTACHARYYA, KAUSHIK, P. V. RATNA KUMAR, and PRADIP MANDAL. "IMPROVEMENT OF POWER EFFICIENCY AND OUTPUT VOLTAGE RIPPLE OF EMBEDDED DC–DC CONVERTERS WITH THREE STEP DOWN RATIOS." Journal of Circuits, Systems and Computers 21, no. 01 (February 2012): 1250007. http://dx.doi.org/10.1142/s0218126612500077.
Full textKrummenacher, F. "A High-Resolution Capacitance-to-Frequency Converter." IEEE Journal of Solid-State Circuits 20, no. 3 (June 1985): 666–70. http://dx.doi.org/10.1109/jssc.1985.1052366.
Full textSakalauskas, S., Z. Vaitonis, and R. Puras. "A high-speed capacitance-to-voltage converter." Instruments and Experimental Techniques 54, no. 5 (September 2011): 692–94. http://dx.doi.org/10.1134/s0020441211050150.
Full textHarada, K., A. Katsuki, M. Fujiwara, H. Nakajima, and H. Matsushita. "Resonant converter controlled by variable capacitance devices." IEEE Transactions on Power Electronics 8, no. 4 (October 1993): 404–10. http://dx.doi.org/10.1109/63.261010.
Full textZhang, Rui, Wei Ma, Lei Wang, Min Hu, Longhan Cao, Hongjun Zhou, and Yihui Zhang. "Line Frequency Instability of One-Cycle-Controlled Boost Power Factor Correction Converter." Electronics 7, no. 9 (September 17, 2018): 203. http://dx.doi.org/10.3390/electronics7090203.
Full textDissertations / Theses on the topic "Capacitance converter"
Hay, Zoe M. "A Modified Multiphase Boost Converter with Reduced Input Current Ripple: Split Inductance and Capacitance Configuration." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1913.
Full textLiu, Bo. "On-chip Touch Sensor Readout Circuit Using Sigma-delta Modulator Based Capacitance-to-Digital Converter." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1450051321.
Full textElwakil, Ehab. "A new converter topology for high-speed high-starting-torque three-phase switched reluctance motor drive system." Thesis, Brunel University, 2009. http://bura.brunel.ac.uk/handle/2438/3009.
Full textSoares, Guilherme Márcio. "Capacitance reduction in off-line led drivers by using active ripple compensation techniques." Universidade Federal de Juiz de Fora (UFJF), 2017. https://repositorio.ufjf.br/jspui/handle/ufjf/6044.
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CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Este documento apresenta uma nova técnica para a minimização da ondulação de baixa frequência, típica de conversores para o acionamento de LEDs alimentados a partir da rede elétrica. Esta estratégia baseia-se na modulação em baixa frequência da razão cíclica do conversor de modo que a ondulação de corrente possa ser reduzida e, consequentemente, as capacitâncias de filtragem do conversor possam ser minimizadas. Esta técnica foi desenvolvida para a aplicação em conversores de malha única, como é o caso de conversores de estágio único ou mesmo dois estágios integrados. A modulação da razão cíclica é projetada de maneira que o comportamento de baixa frequência das principais variáveis do conversor seja alterado, permitindo uma redução da ondulação da corrente de saída ao custo de um incremento cotrolado no conteúdo harmônico da corrente de entrada. Duas possíveis metodologias para a implementação da técnica proposta são discutidas ao longo do trabalho. A primeira envolve a injeção de harmônicas específicas no sinal da razão cíclica do conversor através de ramos adicionais na estrutura de controle. Esta abordagem foi aplicada para projetar um controlador de LEDs baseado em um conversor flyback e também em uma topologia integrada baseada na conexão cascata de dois conversores Buck-boost. Este estudo inicial foi expandido para outros conversores e uma análise generalizada acerca da influência da modulação da razão cíclica no comportamento de controladores de LED alimentados a partir da rede elétrica é apresentada. A segunda metodologia para a implementação da compensação ativa da ondulação de baixa frequência do conversor é baseada na otimização de um controlador proporcional-integral a fim de que tal elemento influencie não só no comportamento dinâmico do circuito, mas também na característica de baixa frequência do conversor. Por fim são discutidas as principais contribuições da tese e algumas propostas para trabalhos futuros são apresentadas
This document presents a novel approach for low-frequency output current ripple minimization in off-line light-emitting diode (LED) drivers. This strategy is based on the large-signal modulation of the duty-cycle so that the output ripple can be reduced and, consequently, the required filtering capacitances of the converter can be somehow decreased. This technique is devised to be used on converters in which a single control loop is employed, such as off-line single-stage or integrated converters. The duty-cycle modulation is used to change the shape of the main waveforms of the converter, especially the input and output currents. This allows for a reduction of the output current peak-to-peak ripple while the harmonic content of the input current is increased but kept within the limits imposed by the IEC standard. Two methodologies for implementing the proposed technique are discussed along the text. The first one is related to the injection of harmonic components to the duty cycle signal by means of additional branches inserted in the conventional control structure. This approach was applied to design an off-line flyback-based LED driver and also a circuit based on the Integrated Double Buck-boost converter. This first study was expanded to other topologies and a generalized analysis regarding the impact of the duty cycle modulation on off-line converters is then presented. The second methodology for implementing the ripple compensation is based on the optimization of a proportional-integral controller so that this element is designed to influence not only in the dynamic behavior of the circuit, but also in its low-frequency characteristic. Finally, the main contributions of this work are discussed and the proposals for future works are presented.
Miri, Lavasani Seyed Hossein. "Design and phase-noise modeling of temperature-compensated high frequency MEMS-CMOS reference oscillators." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/41096.
Full textBonnin, Xavier. "Alimentation électrique des dispositifs de décharge à barrière diélectrique." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/13645/1/bonnin.pdf.
Full textKongpark, Patcharee. "Conditionnement de capteurs capacitifs dans des systèmes faible consommation." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT251/document.
Full textNowadays, capacitive sensors are widely used in the measurement of physical quantities such as displacement, humidity, pressure, etc. This wide dissemination is mainly due to the development of MEMS technologies that have reduced their cost, size and consumption. To measure these capacitance changes, sensor electronic interfaces have been developed to obtain an exploitable electrical signal such as voltage, current, time, frequency or directly a digital output. It is in this framework that the aim of this thesis is positioned ; to study the feasibility of a capacitive measurement with digital output from an active bridge, an architecture developed and patented by the Design and Test Microsystems team of LIRMM for conditioning low power resistive sensors. The digital conversion used is a one-bit first-order Sigma-Delta modulation that is relatively easy to implement, and is well adapted to integration, low power consumption and realization of generic sensor interfaces. Two feedback architectures have been proposed: a resistive feedback and a capacitive. The theoretical results are compared with the results of simulations and measurements obtained from prototypes fabricated using a 0.35μm CMOS technology from Austria MicroSystem (AMS)
Liu, Ying. "Advanced control of photovoltaic converters." Thesis, University of Leicester, 2009. http://hdl.handle.net/2381/7660.
Full textMenke, Maikel Fernando. "Sistema eletrônico de alto fator de potência com entrada universal e controle de intensidade luminosa para o acionamento de leds." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/12299.
Full textEste trabalho apresenta o desenvolvimento de um driver para o acionamento de um módulo de LEDs de 100 W, destinado a iluminação de exteriores ou iluminação pública. De forma a compatibilizar as características do LED com o driver, diferentes funcionalidades e condições de operação são adicionadas ao sistema eletrônico desenvolvido. Para alcançar longa vida útil, o driver desenvolvido substituiu os capacitores eletrolíticos por capacitores de filme. No entanto, essa prática resulta em maiores ondulações da tensão de barramento, as quais são compensadas pelo estágio de controle da corrente dos LEDs. De modo a aumentar as funcionalidades do driver, o mesmo opera com tensão de entrada universal e controle da intensidade luminosa, sendo o sistema de controle do driver implementado de forma digital, aumentando consideravelmente sua flexibilidade. Após revisão da literatura, a qual objetivou avaliar as características das estruturas e topologias empregadas em drivers para LEDs, seleciona-se a estrutura de dois estágios independentes. O conversor buck-boost operando no modo de condução descontínuo de corrente é empregado no estágio de correção do fator de potência. Para o estágio de controle da corrente dos LEDs, utiliza-se o conversor CC/CC meia ponte ressonante LLC. Definida a estrutura topológica, bem como os conversores utilizados, o projeto dos elementos é desenvolvido, seguido da modelagem dinâmica e do projeto do sistema de controle de cada estágio. Resultados experimentais do driver com reduzida capacitância de barramento (25 μF) mostram a sua operação com tensão de entrada universal (85 – 265 VRMS) e controle de intensidade luminosa (100% − 30%). Verificou-se um alto fator de potência (> 0,94) em toda a faixa de operação, rendimento média-alto (> 82%), bem como reduzida modulação de intensidade luminosa (< 10%), estando em conformidade com a IEEE Std 1789-2015 e a IEC61000-3-2 Classe C.
Cai, Xinbo [Verfasser]. "Optimum Control of Electrical Drives and Power Converters : Computational Efficient Optimum Control for Three-Level-Inverters with DC-link Capacitance Balancing / Xinbo Cai." Düren : Shaker, 2021. http://d-nb.info/1233548417/34.
Full textBooks on the topic "Capacitance converter"
Sarshar, Arash. Impact of stray capacitances of HVdc converter on telephone interference phenomenon. Ottawa: National Library of Canada, 1991.
Find full textZhong, Qing-Chang, and Wen-Long Ming. Advanced Power Converters with Reduced Capacitance, Ripples and Common-Mode Voltages. Wiley & Sons, Limited, John, 2022.
Find full textHwang, Jae-Won George. Control of AC-DC-AC converters with minimized DC link capacitance under grid harmonic distortion. 2007.
Find full textBook chapters on the topic "Capacitance converter"
Dehra, Himanshu. "Developments in Wireless Power Transfer Using Solar Energy." In Wireless Power Transfer – Recent Development, Applications and New Perspectives. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97099.
Full textConference papers on the topic "Capacitance converter"
Nojdelov, Roumen, Stoyan Nihtianov, and Edo van Doren. "Capacitance to Digital Converter." In 2007 IEEE Sensors Applications Symposium. IEEE, 2007. http://dx.doi.org/10.1109/sas.2007.374409.
Full textArfah, Nurul, A. H. M. Zahirul Alam, and Sheroz Khan. "Capacitance-to-voltage converter for capacitance measuring system." In 2011 4th International Conference on Mechatronics (ICOM). IEEE, 2011. http://dx.doi.org/10.1109/icom.2011.5937147.
Full textPetchmaneelumka, Wandee, Tanatat Wutikun, Apinai Rerkratn, and Vanchai Riewruja. "Simple Capacitance-to-Time Converter." In the 9th International Conference. New York, New York, USA: ACM Press, 2017. http://dx.doi.org/10.1145/3057039.3057104.
Full textGao, Kaiyuan, Delong Shang, Fei Xia, and Alex Yakovlev. "Fast capacitance-to-digital converter with internal reference." In 2016 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2016. http://dx.doi.org/10.1109/biocas.2016.7833782.
Full textLopez, Mauricio Velazquez, Yong-Chang Choi, and Hyung-Joun Yoo. "Capacitance-to-digital converter based on power detection." In 2015 International SoC Design Conference (ISOCC). IEEE, 2015. http://dx.doi.org/10.1109/isocc.2015.7401674.
Full textGhoor, Ikraam S., Petrone Bezuidenhout, and Trudi H. Joubert. "High-resolution capacitance-frequency converter for biosensor applications." In 2017 IEEE AFRICON. IEEE, 2017. http://dx.doi.org/10.1109/afrcon.2017.8095563.
Full textOrabi, Mohamed, Ahmed Abou-Alfotouh, and Ashraf Lotfi. "Coss capacitance contribution to synchronous buck converter losses." In 2008 IEEE Power Electronics Specialists Conference - PESC 2008. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592006.
Full textKimura, Takuya, Hiroki Watanabe, Masaharu Adachi, Shinya Kuriki, and Akinori Ueno. "Performance evaluation of electroencephalograph with negative capacitance converter." In 2012 5th Biomedical Engineering International Conference (BMEiCON). IEEE, 2012. http://dx.doi.org/10.1109/bmeicon.2012.6465475.
Full textXiao, S., J. Cao, and M. W. Donoghue. "Valve section capacitance for 660KV HVDC converter valves." In 9th IET International Conference on AC and DC Power Transmission (ACDC 2010). IET, 2010. http://dx.doi.org/10.1049/cp.2010.0993.
Full textVostrukhin, Aleksandr, and Elena Vakhtina. "Investigating metering converter of capacitance using arduino platform." In 20th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2021. http://dx.doi.org/10.22616/erdev.2021.20.tf148.
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