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Artykuły w czasopismach na temat „Capacitor”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Chao, Yang. "Research on the Failure Characteristics of Porous Ceramic Capacitor Based on Numerical Simulation Technology." Applied Mechanics and Materials 716-717 (December 2014): 1212–16. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1212.

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In the electronics industry, people has higher and higher demand for the performance of electronic products, but the requirement of volume is more and more small, it will promote the electronic products toward the direction of miniaturization. Porous ceramic capacitor is one of the most commonly used small electronic devices, but the capacitor thermal failure problem is always a difficult problem plagued capacitor design. This paper establishes the mathematical model of porous ceramic capacitors failure stress, and ABAUQS software is introduced to the failure simulation calculation process of

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2

Plesca, Adrian. "Considerations About Controlled Capacitors." Journal of Electrical Engineering 61, no. 3 (2010): 189–92. http://dx.doi.org/10.2478/v10187-010-0027-2.

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Considerations About Controlled CapacitorsA new type of thermal controlled capacitor has been developed and studied. The capacitor non-linearity depends on the control parameter — temperature. At constant temperatures, the charge versus voltage curve is non-linear and has thermal inertia. Actually, it is a new method to modify the capacitors' capacitance using the thermal field as a command parameter and brings new technical solutions for protection of electrical equipment.

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Hardiyanto, Denny, Prabakti Endramawan, Ridho Nur Taufiqul Manan, and Dyah Anggun Sartika. "Arduino Implementation for Development Digital Capacitance Meters as Laboratory Measurement Devices." SinkrOn 7, no. 3 (2022): 784–90. http://dx.doi.org/10.33395/sinkron.v7i3.11456.

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Electronics Practicum in the Laboratory is a routine activity carried out to support student skills. Capacitors are one of the components that are often used in practice. Capacitors are one of the passive electronic components that have a magnitude value in the form of capacitance in Farad units. The capacitance value indicates the capacitor's ability to store electric charge. However, the value contained on the capacitor label is not necessarily the actual value because the capacitor has a tolerance range. Of course, this is very influential in the measurement and performance of electronic ci

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4

Butnicu, Dan. "A Derating-Sensitive Tantalum Polymer Capacitor’s Failure Rate within a DC-DC eGaN-FET-Based PoL Converter Workbench Study." Micromachines 14, no. 1 (2023): 221. http://dx.doi.org/10.3390/mi14010221.

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Many recent studies have revealed that PoL (Point of Load) converters’ output capacitors are a paramount component from a reliability point of view. To receive the maximum degree of reliability in many applications, designers are often advised to derate this capacitor—as such, a careful comprehending of it is required to determine the converter’s overall parameters. PoL converters are commonly found in many electronic systems. Their most important requirements are a stable output voltage with load current variation, good temperature stability, low output ripple voltage, and high efficiency and

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5

Bărbulescu, Corneliu, Dadiana-Valeria Căiman, and Toma-Leonida Dragomir. "Parameter Observer Useable for the Condition Monitoring of a Capacitor." Applied Sciences 12, no. 10 (2022): 4891. http://dx.doi.org/10.3390/app12104891.

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Monitoring the condition of electrolytic capacitors in practical applications is a topic that has been and remains the subject of much research. This article is part of research in this area. It develops a parameter observer (PO) and proposes its use for the determination of the equivalent capacity and equivalent serial resistance of electrolytic capacitors. The observer is an integral-open-loop type second-order system, the input of which is the voltage at the capacitor terminals measured during a two-stage capacitor’s discharging process through a variable resistor. The PO estimates the so-c

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6

Moya, Antonio Angel. "Charging a Capacitor with Another Capacitor by Using Arduino." Physics Teacher 60, no. 6 (2022): 471–74. http://dx.doi.org/10.1119/5.0031860.

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Resistor–capacitor (RC) circuit labs help students, but most courses don’t include them because of complications and cost. This work presents an easy and inexpensive Arduino-based lab on the charge and energy transfer between two capacitors with different values of the initial electric charge when they are connected through a resistor. Capacitors are electromagnetic devices widely described in calculus-based introductory physics courses. The concept of capacitance, the determination of the capacitance in planar and cylindrical geometries, the description of the series and parallel combinations

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7

Mobarak, Y. A., A. M. Hemeida, A. El-Bahnasawy, and M. M. Hamada. "Reactive Power Compensation on Egypt Electricity Network for Optimal Energy Saving." Engineering, Technology & Applied Science Research 9, no. 1 (2019): 3699–704. http://dx.doi.org/10.48084/etasr.2451.

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This paper introduces the load flow on the Egypt Electricity Network system. The effect of capacitor compensation has been studied from three points. First, the problem of the series capacitor compensation was considered. The second type of compensation considered is shunt compensation. Finally, a mixed of shunt and series capacitors compensation was implemented. The analysis results were discussed based on the maximum reduction in the generated MVAR. The load variation is accounted for by considering three different load levels classified as light, medium and peak load with pre-specified dura

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8

Mobarak, Youssef A., A. M. Hemeida, A. El-Bahnasawy, and Mohamed M. Hamada. "Reactive Power Compensation on Egypt Electricity Network for Optimal Energy Saving." Engineering, Technology & Applied Science Research 9, no. 1 (2019): 699–3704. https://doi.org/10.5281/zenodo.2576245.

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This paper introduces the load flow on the Egypt Electricity Network system. The effect of capacitor compensation has been studied from three points. First, the problem of the series capacitor compensation was considered. The second type of compensation considered is shunt compensation. Finally, a mixed of shunt and series capacitors compensation was implemented. The analysis results were discussed based on the maximum reduction in the generated MVAR. The load variation is accounted for by considering three different load levels classified as light, medium and peak load with pre-specified dura

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9

P., Suresh Kumar, J. Niresh Dr., Tamilselvan G., G. Shri Varun B., and V. Srinivasan Adharsh. "Super Capacitors Circuit Capabilities as an Upcoming Electrical Energy Storage Device." International Journal of Innovative Science and Research Technology (IJISRT) 9, no. 2 (2024): 6. https://doi.org/10.5281/zenodo.10720276.

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A battery, often known as an accumulator, is a type of electrical energy storage device. The battery's primary disadvantages are its long charging time, low lifespan, and lack of environmental friendliness. One of the challenges in the development of electric cars is this. A capacitor-based electrical energy storage medium has just been discovered. Capacitors work on the same principle as batteries, which can store electrical charges.Although the charging process of a capacitor is faster than that of a battery, the draining process is likewise quite quick. Capacitors have the advantages of not

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10

Ou, Yu Qiang, Le Feng Cheng, Jian Zhong Wen, Xuan Yu Qiu, and Tao Yu. "Review of the Relationship between Harmonic and Parallel Capacitor Fault." Advanced Materials Research 1044-1045 (October 2014): 507–14. http://dx.doi.org/10.4028/www.scientific.net/amr.1044-1045.507.

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The parallel capacitors are the most important reactive power compensation devices in power system, while the power system harmonic pollution is becoming increasingly serious in recent years, the accident that caused capacitors fault and damage by overload harmonic always happened. Based on this background and summary of the existing research results, thermal effect and performance index of capacitors are introduced, and analyzed the mechanism of interaction between harmonic and capacitor, then the effect and harm of running capacitor under harmonic conditions are elaborated, finally summarize

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11

Xuan, Chen. "Enlightening Visualization of Charge on Capacitors and Capacitor Circuits." Journal of Physics: Conference Series 2381, no. 1 (2022): 012073. http://dx.doi.org/10.1088/1742-6596/2381/1/012073.

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Abstract The ideal parallel plate capacitor in general physics textbooks lacks electrostatic perspectives regarding how conducting surfaces are charged. The current textbooks somewhat neglect close connections between capacitors and electrostatics, leaving students in limbo when analyzing charge distribution on capacitors in circuits. This paper will suggest a new generalized model of the ideal capacitor and offer learners, mainly from the electrostatic perspective, a better train of thought in analyzing how charges are distributed on various surfaces in capacitor circuits. This paper offers a

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12

Tone, Yuya, and Toru Tanzawa. "An Optimum Structure of Scalable Capacitors in 3D Crosspoint Memory Technology." Electronics 10, no. 22 (2021): 2755. http://dx.doi.org/10.3390/electronics10222755.

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Memory chips need large capacitors in their periphery to drive boosted word-lines and bit-lines for read and write operations. In a previous work, scalable capacitors were proposed for 3D crosspoint memory to keep the area for the capacitors constant over technology generations. This paper proposes the capacitance models of three types of wiring capacitors: (1) vertical capacitor, (2) vertical and horizontal capacitor with next-neighbor wires connected with the other terminal, and (3) vertical and horizontal capacitor with next-neighbor pairs connected with the other terminal. These models are

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13

Zhao, Tao, Yi Fan Liao, Zhi Ming Su, Rui Hai Li, and Yun Peng Liu. "Study of Capacitor Bank Fault Location." Applied Mechanics and Materials 385-386 (August 2013): 1213–15. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1213.

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At present, the operational parallel compensating capacitors can only through the protection action for the information, so we can‘t location the fault capacitor. In order to obtain every parallel capacitor running status information and according to internal structure and the operation mode of film capacitor, this paper proposed a method of locating a capacitor, which can eliminate the affection caused by the environment and measurement error of sensor accuracy effectively. So we can locate the fault capacitor in complex environments running on the site.

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14

Dmitrikov, Vladimir F., Alexander Yu Petrochenko, Vyacheslav M. Isaev, and Dmitriy V. Shushpanov. "Features of designing line radio interference filter in a wide frequency range, taking into account equivalent circuits for capacitors and inductors." Physics of Wave Processes and Radio Systems 23, no. 4 (2021): 85–96. http://dx.doi.org/10.18469/1810-3189.2020.23.4.85-96.

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Based on the phenomenological equations describing the dynamic processes of magnetization of ferromagnets of inductors and polarization of capacitor dielectrics, taking into account complex frequency-dependent dielectric constants e(jw) of capacitor dielectrics and magnetic permeabilities m(jw) of inductor cores, equivalent electrical structural-parametric and capacitor replacement circuits were obtained. The connection of parasitic elements of equivalent electric circuits of capacitors and inductors with the electrophysical characteristics of the material of the dielectric of the capacitor an

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15

Hulewicz, Arkadiusz, Krzysztof Dziarski, Łukasz Drużyński, and Grzegorz Dombek. "Thermogram Based Indirect Thermographic Temperature Measurement of Reactive Power Compensation Capacitors." Energies 16, no. 5 (2023): 2164. http://dx.doi.org/10.3390/en16052164.

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An increase in reactive power consumption results in an increase in electricity costs. This negative phenomenon can be prevented by using reactive power compensation methods. One of them is the installation of capacitors. These capacitors are exposed to external conditions, such as temperature and humidity. As a consequence, the aging process occurs. Another negative phenomenon is the corrosion that occurs inside the capacitor as a result of moisture absorption. As a result of this phenomenon, the capacitor can be damaged. One of the symptoms of the ongoing corrosion of the inside of the capac

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16

Hamzi, Amar, and Rachide Meziane. "Cat Swarm Optimization to Shunt Capacitor Allocation in Algerian Radial Distribution Power System." IAES International Journal of Artificial Intelligence (IJ-AI) 7, no. 3 (2018): 143. http://dx.doi.org/10.11591/ijai.v7.i3.pp143-152.

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This paper presents a Cat Swarm Optimization (CSO) Algorithm optimization method to shunt capacitor placement on distribution systems under capacitor switching constraints. The optimum capacitor allocation solution is found for the system of feeders fed through their transformer and not for any individual feeder. The main advantages due to capacitor installation, such as capacity release and reduction of overall power and energy losses are considered. The capacitor allocation constraints due to capacitor-switching transients are taken into account. These constraints are extremely important if

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17

Amar, Hamzi, and Meziane Rachide. "Cat Swarm Optimization to Shunt Capacitor Allocation in Algerian Radial Distribution Power System." International Journal of Artificial Intelligence (IJ-AI) 7, no. 3 (2018): 143–52. https://doi.org/10.11591/ijai.v7.i3.pp143-152.

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This paper presents a Cat Swarm Optimization (CSO) Algorithm optimization method to shunt capacitor placement on distribution systems under capacitor switching constraints. The optimum capacitor allocation solution is found for the system of feeders fed through their transformer and not for any individual feeder. The main advantages due to capacitor installation, such as capacity release and reduction of overall power and energy losses are considered. The capacitor allocation constraints due to capacitor-switching transients are taken into account. These constraints are extremely important if

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18

Shimizu, Rinon, Ryuki Hanazawa, and Naoyuki Morita. "Influence and Effect of Pyrolysis with Additives in Tantalum Capacitors." International Journal of Environmental Science and Development 13, no. 4 (2022): 138–43. http://dx.doi.org/10.18178/ijesd.2022.13.4.1384.

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In recent years, the demand for tantalum capacitors has been increasing due to the miniaturization of electronic devices. Tantalum capacitors, which use the rare metal tantalum as the capacitor element, are used in electronic devices such as cell phones because they are smaller and have a higher capacity than conventional capacitors. In Japan, there are reports that minerals containing rare elements are being extracted from discarded electronic and electrical equipment to produce medals for the 2020 Tokyo Olympics. In Japan, many used electrical products containing rare elements are discarded,

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19

Li, Yichen, Zhiqiang Rao, Ziyi Li, and Lu Ding. "Research on Fault Location Method of Track Circuit Compensation Capacitor Based on Probabilistic Neural Network." Architecture Engineering and Science 3, no. 2 (2022): 93. http://dx.doi.org/10.32629/aes.v3i2.822.

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Compensation capacitor is an important component for extending the signal transmission of track circuit, and its safe operation is very important to the transportation business of rail transit. According to the difficulty of diagnosing the fault of compensation capacitor, a fault location model of compensation capacitor based on probabilistic neural network is established. Firstly, the influence of compensation capacitors on the current curve is analyzed from the two aspects of the failure reasons of compensation capacitors and the influence on signal transmission. Then, according to the param

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20

Bao, Changqing, Hongjia Zhu, and Jiayu Liu. "Introduction of parasitic capacitance and methods of reducing its capacitance." Applied and Computational Engineering 85, no. 1 (2024): 141–47. http://dx.doi.org/10.54254/2755-2721/85/20240686.

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This paper aims to introduce some basic knowledge of parasitic capacitors and how to reduce the impact of parasitic capacitors in theory and in practice. In the production and processing and daily life, people will be more or less to the use of capacitors. The main function of a capacitor is to store electrical energy when it is connected to its charging circuit. When disconnected from the charging circuit, it can consume stored energy, so it can be used like a temporary battery. However, not all capacitors are good for people, such as parasitic capacitors. Parasitic capacitor is an unavoidabl

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21

Das, Rabindra N., Konstantinos I. Papathomas, John M. Lauffer, Mark D. Poliks, and Voya R. Markovich. "Manufacturing Substrates with Embedded Passives." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2011, DPC (2011): 002011–50. http://dx.doi.org/10.4071/2011dpc-wp46.

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Passives account for a very large part of today's electronic assemblies. This is particularly true for digital products such as cellular phones, camcorders, computers and several critical defense devices. This paper presents an entire process from design and fabrication to electrical characterization and reliability test of embedded passives on organic multilayered substrates. A variety of thin film capacitor and resistors were utilized to manufacture high-performance embedded passives. The electrical properties of capacitors fabricated from polymer-ceramic nanocomposites showed a stable capac

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Jones, Robert E., and Seshu B. Desu. "Process Integration for Nonvolatile Ferroelectric Memory Fabrication." MRS Bulletin 21, no. 6 (1996): 55–58. http://dx.doi.org/10.1557/s0883769400046091.

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The remanent-polarization states of ferroelectric capacitors have long been of interest for nonvolatile storage of digital data. A simple memory array can be formed by perpendicular rows and columns of conductors with a ferroelectric capacitor at each crosspoint. In the simplest geometry, these conductors also are the capacitor electrodes on either side of a ferroelectric layer. Each capacitor represents one bit of digital data. If a voltage of V0 is required to write a capacitor, then data can be written to a specific bit by applying V0/2 and –V0/2 to the appropriate row and column. Such ferr

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23

Jeong, Sunwoo, Akeem Bayo Kareem, Sungwook Song, and Jang-Wook Hur. "ANN-Based Reliability Enhancement of SMPS Aluminum Electrolytic Capacitors in Cold Environments." Energies 16, no. 16 (2023): 6096. http://dx.doi.org/10.3390/en16166096.

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Due to their substantial energy density and economical pricing, switching-mode power supplies (SMPSs) often utilize electrolytic capacitors. However, their ability to function at low temperatures is essential for dependable operation in several sectors, including telecommunications, automotive, and aerospace. This study includes an experimental evaluation of how well standard SMPS electrolytic capacitors operate at low temperatures. This paper investigates the suitability of standard electrolytic capacitors used in switched-mode power supplies (SMPSs) for low-temperature applications. The expe

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24

Yin, Zhijian, Huan Qiu, Yongheng Yang, Yi Tang, and Huai Wang. "Practical Submodule Capacitor Sizing for Modular Multilevel Converter Considering Grid Faults." Applied Sciences 10, no. 10 (2020): 3550. http://dx.doi.org/10.3390/app10103550.

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Submodule (SM) capacitors are key elements in the modular multilevel converter (MMC), the design of which influences the entire system performance. In practical cases, SM capacitor sizing must consider the abnormal system operation (e.g., grid faults). In order to find a clear design boundary for SM capacitors, a practical capacitor sizing method is presented for the first time in this paper, considering the grid-fault-ride-through operation of the MMC, impact of MMC control system, and aging mechanism of capacitors. The SM capacitor rated voltage, capacitance, ESR, thermal resistance, and lif

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25

Hiralal, Pritesh, Gemma Rius, Piers Andrew, Masamichi Yoshimura, and Gehan A. J. Amaratunga. "Tailoring Carbon Nanostructure for High Frequency Supercapacitor Operation." Journal of Nanomaterials 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/619238.

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The possibility of enhancing the frequency performance of electrochemical capacitors by tailoring the nanostructure of the carbon electrode to increase electrolyte permeability is demonstrated. Highly porous, vertically oriented carbon electrodes which are in direct electrical contact with the metallic current collector are produced via MPECVD growth on metal foils. The resulting structure has a capacitance and frequency performance between that of an electrolytic capacitor and an electrochemical capacitor. Fully packaged devices are produced on Ni and Cu current collectors and performance com

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Li, Yong-An. "Synthesis for Butterworth Filter Using Compact VDTA Based on Sallen- Key Topology." Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering) 13, no. 5 (2020): 681–88. http://dx.doi.org/10.2174/2352096512666191004123213.

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Background: The original filter including grounded or virtual ground capacitors can be synthesized by using the NAM expansion. However, so far the filters including floating capacitor, such as Sallen-Key filter, have not been synthesized by means of the NAM expansion. This is a problem to be researched further. Methods: By using the adjoint network theory, the Sallen-Key filter including floating capacitor first is turned into a current-mode one, which includes a grounded capacitor and a virtual ground capacitor. Then the node admittance matrix, after derived, is extended by using NAM expansio

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Li, Jinyu, Xiaoyan Lei, Zhongqiu Zuo, and Yi Xiong. "Vibration Model of a Power Capacitor Core under Various Harmonic Electrical Excitations." Energies 15, no. 5 (2022): 1848. http://dx.doi.org/10.3390/en15051848.

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Power capacitors are widely used in power transmission systems. During their operation, an electric force acting on the electrodes of the power capacitors actuates mechanical vibrations and radiates an audible noise. Considering a power capacitor as a general system, the frequency response with the electric force as the input and mechanical vibration as the output have been measured by engineers in recent years and used to evaluate the acoustic and mechanical features of products. Accidentally, it was found that the frequency of the capacitor vibration was not consistent with its excitation du

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Bunel, Catherine, and Franck Murray. "Ultra thin, low ESL and high frequency performance of high density silicon capacitors." International Symposium on Microelectronics 2016, no. 1 (2016): 000060–63. http://dx.doi.org/10.4071/isom-2016-tp26.

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Abstract The very high capacitance platform (now up to 900 nF/mm2) of the 3D Silicon capacitor technology presents many advantages for signal integrity, performance improvement, and miniaturization. In this paper, we will illustrate these advantages for communication infrastructure and high speed processors. The intrinsic IPDiA Silicon capacitors construction and the simplified equivalent electrical models will be compared with the multilayer ceramic capacitor (MLCC) model. We will also demonstrate how the Silicon capacitors are better candidates for performance, miniaturization and integratio

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Akhlis Nur Firman Ardiansyah Santoso and Santoso Santoso. "Pengaruh Kapasitansi Plasma Kapasitor dan Putaran Mesin Terhadap Konsumsi Bahan Bakar Mesin 125 CC." Venus: Jurnal Publikasi Rumpun Ilmu Teknik 2, no. 4 (2024): 239–48. http://dx.doi.org/10.61132/venus.v2i4.421.

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The ignition system is an important system in a vehicle. Currently, the level of emissions produced by vehicles continues to increase every year. This can be caused by high fuel consumption values. The solution to this is to improve the quality of the spark plug by adding a capacitor to the ignition/ignition capacitor. The way the Plasma Capacitor Igniton works is by adding a high voltage non-polar capacitor which is connected in parallel to the output coil. The experimental method will be carried out using quantitative methods. By installing ignition plasma capacitors with different capacitor

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Kobayakawa, Kiichi, Kosuke Muraoka, Hiroshi Sezaki, Seiji Ishikawa, Tomonori Maeda, and Shin Ichiro Kuroki. "Effects of CF₄ Surface Etching on 4H-SiC MOS Capacitors." Materials Science Forum 924 (June 2018): 465–68. http://dx.doi.org/10.4028/www.scientific.net/msf.924.465.

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Effects of CF4etching on 4H-SiC MOS capacitor were investigated. Fluorine atoms were introduced to surface of 4H-SiC using CF4dry etching process as a surface treatment, and 4H-SiC MOS capacitors with dry-oxide were fabricated with this treatment. As the results, breakdown electric field of the MOS capacitors was increased and variation of the characteristics became lower than that of MOS capacitor without this treatment.

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Zhong, Li Ping, Qi Min Gu, and Shui Ping Zhang. "Capacitor Voltage Balance Control for Diode Clamped Multi-Level Inverter Based on Charge Refreshing." Advanced Materials Research 945-949 (June 2014): 2885–90. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2885.

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Unbalance of dc-link capacitor voltage is an key technical problem of multi-level inverter, this paper presents a novel method to solve it. According to the the new approach, a balancing capacitor is in turn connected in parallel with each dc-link capacitor in a sampling time, exacting charges from the capacitors with higher voltage and putting them into the capacitors with lower voltage.Thus the charges of all dc-link capacitors are refreshed constantly and the voltages can be kept balanced on the whole. This method only needs to add a simple hardware circuit and will not increase the complex

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Laadjal, Khaled, Fernando Bento, and Antonio J. Marques Cardoso. "On-Line Diagnostics of Electrolytic Capacitors in Fault-Tolerant LED Lighting Systems." Electronics 11, no. 9 (2022): 1444. http://dx.doi.org/10.3390/electronics11091444.

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As technology advances, the utilization of lighting systems based on light-emitting diode (LED) technology is becoming increasingly essential, given its benefits in terms of efficiency, reliability, and lifespan. Unfortunately, the power electronic components required to drive LEDs are unable to compete with LED devices in terms of lifetime. Aluminum electrolytic capacitor (AEC) failures represent the root cause of power electronic equipment breakdown, mainly through both aging and temperature effects. This highlights the importance of designing robust power converter architectures and control

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Chang, Bin, Tao Yuan, Yansong Wang, et al. "Temperature fields analysis and heat dissipation structure design of an film capacitor in new energy vehicle." Thermal Science, no. 00 (2024): 240. http://dx.doi.org/10.2298/tsci240627240c.

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The high-temperature resistance performance of film capacitors in motor controllers faces greater challenges with the development of high voltage and high power density of new energy vehicles (NEVs). In this study, a typical film capacitor is taken as the object of research; simulations of temperature fields and experiments on temperature rises are conducted. Additionally, a heat dissipation structure is designed to enhance the high-temperature resistance performance of the capacitor. Firstly, the temperature field distributions of the capacitor under different ripple currents and ambient temp

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Park, Joonsung, Jiwon Lee, Jacob A. Abraham, and Byoungho Kim. "A Tunable Foreground Self-Calibration Scheme for Split Successive-Approximation Register Analog-to-Digital Converter." Electronics 13, no. 4 (2024): 755. http://dx.doi.org/10.3390/electronics13040755.

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The capacitor mismatch among diverse defects caused by variations in the manufacturing process significantly affects the linearity of the capacitor array used to implement the capacitive digital-to-analog converter (CDAC) in the successive-approximation register (SAR) analog-to-digital converter (ADC). Accordingly, the linearity of the SAR ADC is limited by that of capacitor array, resulting in serious yield loss. This paper proposes an efficient foreground self-calibration technique to enhance the linearity of the SAR ADCs by mitigating the capacitor mismatch based on the split ADC architectu

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Yota, Jiro. "Characterization of ALD Ta₂O₅, Al₂O₃, and Ta₂O₅/Al₂O₃ Nanolaminate as Metal-Insulator-Metal Capacitor Dielectric for GaAs HBT Technology." ECS Meeting Abstracts MA2022-02, no. 34 (2022): 1252. http://dx.doi.org/10.1149/ma2022-02341252mtgabs.

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In order to reduce die size and increase capacity, the metal-insulator-metal (MIM) capacitor area in circuit designs fabricated using GaAs hetero-junction bipolar transistor (HBT) technology has to be reduced. This can be achieved by using a capacitor dielectric material that has a high dielectric constant or high capacitance density. In GaAs HBT technology, the MIM capacitor dielectric film is typically also required to have a high breakdown voltage (>20 V) and low leakage current. Furthermore, the deposited dielectric film has to be compatible with GaAs processing and has to be deposited

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Wang Qianqian, Liu Weili, Tang Minan, and Zhang Kaiyue. "Diagnosis Method for Multiple Compensation Capacitor Faults of Jointless Track Circuit." Electrotehnica, Electronica, Automatica 70, no. 3 (2022): 12–21. http://dx.doi.org/10.46904/eea.22.70.3.1108002.

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The compensation capacitor fault of jointless track circuit has an important impact on the safe operation of high-speed trains. In order to solve the problem of multiple compensation capacitors breaking at the same time in jointless track circuit, a fault diagnosis method based on the amplitude characteristics of induced voltage envelope curve is proposed. Firstly, the shunt state model of track circuit is established, and the envelope curves of induced voltage amplitude corresponding to the disconnection fault of compensation capacitors at different positions are obtained by simulating analys

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Badi, N., C. Boney, and A. Bensaoula. "Self-packaged Boron Nitride Capacitor for High Temperature Applications." Journal of Microelectronics and Electronic Packaging 1, no. 4 (2004): 217–24. http://dx.doi.org/10.4071/1551-4897-1.4.217.

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In this work, we investigated applicability of boron nitride (BN) and boron oxynitride (BNO) thin films to fabricate multilayer ceramic capacitors (MLCCs) for high temperature and high frequency applications. Advantages of BN include high temperature and chemical resistance, which should result in more compact and reliable devices. Deposited BN layers by a filamentless ion source assisted physical vapor deposition technique show a high thermal stability up to 1000 °C and a very high breakdown voltage of about 600 V/μm. A 15 mm × 15 mm capacitor geometry was picked to create a simpler packaging

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Yan, Tian Xiang, Xiao Lan Xie, Xin Yu Chen, and Peng Niu. "Analysis of Thyristor Switched Three-Phase Capacitor." Advanced Materials Research 722 (July 2013): 311–16. http://dx.doi.org/10.4028/www.scientific.net/amr.722.311.

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it can limit the reactive power transmission to improve the voltage quality of power grid by installing parallel capacitors for reactive power compensation. But due to presence of transient transition process during power capacitors switching, it will seriously affect the service life of power capacitors and the safe operation of power system if the switching process of capacitors is not properly controlled. Firstly, this article described the fundamental principle and switching conditions of Thyristor Switched Capacitor (TSC). Secondly, the selection of switching time was analyzed for Thyrist

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Sun, Lei, Qin Yuan Dai, Chuang Chuan Lee, and Gao Shuai Qiao. "The Analysis on the Parasitic Capacitors Effect of the Fully Differential Architecture of SAR ADC." Applied Mechanics and Materials 20-23 (January 2010): 342–45. http://dx.doi.org/10.4028/www.scientific.net/amm.20-23.342.

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This paper presents an analysis on the parasitic capacitors effect of the fully differential architecture to provide common-mode rejection. The parasitic capacitors of differential comparator inputs has no effect on the resolution, however, the difference of comparator input parasitic capacitors may has great effect on the resolution. The relationship between the unity capacitor and the parasitic capacitors of the differential comparator inputs is analyzed by giving precise theoretical demonstration. Therefore, a theoretical basis is provided for designers to choose appropriate unity capacitor

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Huang, Guoxing, Xianhuai Cao, Haozheng Wei, Pin Chen, and Zhiyuan Li. "Case study: A type of low-noise power capacitor based on combined microperforated panels." Noise Control Engineering Journal 70, no. 6 (2022): 519–26. http://dx.doi.org/10.3397/1/377045.

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Power capacitors of high-voltage alternating/direct current transmission systems have become one of the main community noise sources because of their large number and because they employ ultrahigh voltage and power. According to the broadband noise characteristics of power capacitors and based on the theory of combined microperforated panels, a low-noise capacitor with broadband sound absorption is designed and machined. Noise comparison tests were conducted between the modified and conventional capacitors in a semi-anechoic chamber. The results indicate that the proposed low-noise capacitor w

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M., Muthukrishnaveni*1 &. S. Muthu Vijaya Pandian2. "A REVIEW ON RECENT EMERGING ELECTRODE MATERIALS FOR SUPER CAPACITOR ENERGY STORAGE DEVICES." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 9, no. 5 (2020): 233–35. https://doi.org/10.5281/zenodo.3870413.

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A super capacitor provides high energy density storage than ordinary capacitor.Super capacitor energy storage device fills the void between high energy density battery and the traditional capacitors. It replaces the batteries in some applications, because it can provide high power, rapid charging and long life. In this review paper, a summary of novel material developments in super capacitor and its types using various electrode materials have been reported.

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Yildiz, Ali. "Pre-service teacher’s understanding levels of capacitors and instructors’ predictions about the given responses." New Trends and Issues Proceedings on Humanities and Social Sciences 4, no. 8 (2018): 32–39. http://dx.doi.org/10.18844/prosoc.v4i8.2960.

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This study explores the understanding levels of pre-service teachers of the elementary school mathematics teacher education undergraduate program about capacitors that they learned in the compulsory Physics-2 course in the second year of the second term, and instructors’ predictions about the teachers’ responses. A total of 54 pre-service teachers participated in the study. The findings of the study reveal that 62.9% of the pre-service teachers did not know the function of a capacitor, 46.3% could not write any equations in connection with the capacitor and 57.4% could not explain any of the q

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Odhiambo, Sheilla Atieno, Piotr Fiszer, Gilbert De Mey, et al. "The electric energy stored in PEDOT:PSS capacitors integrated on textile substrate." International Journal of Clothing Science and Technology 30, no. 6 (2018): 808–16. http://dx.doi.org/10.1108/ijcst-12-2017-0190.

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Purpose The purpose of this paper is to develop a capacitor fully integrated into a wearable textile fabric for the application on smart clothing. Design/methodology/approach A small capacitor with stainless steel yarns as the electrodes and poly-(3,4–ethylenedioxythiophene): polystryrene sulphonate (PEDOT:PSS) as the dielectric material has been made, integrated into a textile fabric. The electric performance of the capacitor was analyzed and compared with other kinds of electric capacitors. Findings The fabricated small, PEDOT:PSS capacitor could finally power a calculator for 37 s with the

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Raman, Sekhar Raghu, Ka-Wai (Eric) Cheng, Xiang-Dang Xue, Yat-Chi Fong, and Simon Cheung. "Hybrid Energy Storage System with Vehicle Body Integrated Super-Capacitor and Li-Ion Battery: Model, Design and Implementation, for Distributed Energy Storage." Energies 14, no. 20 (2021): 6553. http://dx.doi.org/10.3390/en14206553.

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In this paper, a distributed energy storage design within an electric vehicle for smarter mobility applications is introduced. Idea of body integrated super-capacitor technology, design concept and its implementation is proposed in the paper. Individual super-capacitor cells are connected in series or parallel to form a string connection of super-capacitors with the associated management unit to form a panel. These super-capacitor panels are shaped to fit the alternative concept of vehicle design, and it solves the design issues and prepares for configurable electric vehicles. Body integration

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Phillips, Jonathan. "Toward an Improved Understanding of the Role of Dielectrics in Capacitors." Materials 11, no. 9 (2018): 1519. http://dx.doi.org/10.3390/ma11091519.

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A new fundamental principle of the theory of dielectrics in capacitors is demonstrated. That is, dielectric material in any geometry that reduces the field generated by charges on capacitor electrodes is effective in increasing capacitance. Specifically, it is shown that super dielectric material on the outer surfaces of the electrodes of a parallel plate capacitor increases dielectric constant, as well as energy and power densities, by orders of magnitude. The implicit assumption in all current capacitor theory, that the “capacitor” is only that region occupied by the electrodes and the space

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Zhang, Zixuan, and Vladimir Serikov. "Modeling of non-sinusoidal modes of operation of the power supply system at resonance." E3S Web of Conferences 470 (2023): 01032. http://dx.doi.org/10.1051/e3sconf/202347001032.

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In this article, power systems operating modes with both non-linear and linear loads and a capacitor bank are analyzed. In particular, the power supply systems of industrial enterprises are considered. The studies covered a daily change of linear load with the corresponding regulation of capacitor bank powers. Moreover, the capacitor powers at which the resonant modes arise at canonical harmonics were determined. The results show that the with regulation of the capacitors’ power on a daily basis, the voltage quality may not meet the requirements of power quality indicators. Furthermore, the ca

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Jeong, Eue Jin ‎. "Re-examination of Energy Conservation Principle ‎in ‎Charged Capacitors and the Reported ‎Anomalous Energy ‎Devices." International Journal of Fundamental Physical Sciences 12, no. 2 (2022): 1–8. http://dx.doi.org/10.14331/ijfps.2022.330150.

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Energy conservation is one of the most fundamental and well-established principles of physics. E. Noether ‎extended the ‎energy conservation principle to the quantum field theoretical domain in empty space by ‎relating the time-translation ‎invariance of the universe with energy conservation. While this is the case in ‎an open empty space, it seems that the local ‎space enclosed by conducting metallic plates has an ‎unexpected property, suggesting that the energy conservation principle ‎may not necessarily apply to ‎localized bound systems of capacitors in electrodynamics. This point of view w

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Park, Yun-Hwi, Kwangje Oh, Ikseop Kim, et al. "Suppression of SSN by Embedded Decoupling Capacitor in LTCC Package." Journal of Microelectronics and Electronic Packaging 4, no. 2 (2007): 57–63. http://dx.doi.org/10.4071/1551-4897-4.2.57.

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In this paper, the authors present the noise suppression performance using a decoupling capacitor which is embedded in an LTCC substrate. To embed high value capacitors (&gt;20nF), a high K (over 500) material which can be co-fired with low K LTCC was developed successfully. Thin high K sheets under 10μm were co-laminated between low K sheets, which form the power and ground planes. Due to the short distance from the IC power pin to the decoupling capacitor, the ESL (Equivalent Series Inductance) is much lower than with surface mounted type capacitors, and so, SSN (Simultaneous Switching N

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Thompson, Jonathan E. "Pencil-on-Paper Capacitors for Hand-Drawn RC Circuits and Capacitive Sensing." Journal of Chemistry 2017 (2017): 1–4. http://dx.doi.org/10.1155/2017/4909327.

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Electronic capacitors were constructed via hand-printing on paper using pencil graphite. Graphite traces were used to draw conductive connections and capacitor plates on opposing sides of a sheet of standard notebook paper. The paper served as the dielectric separating the plates. Capacitance of the devices was generally < 1000 pF and scaled with surface area of the plate electrodes. By combining a pencil-drawn capacitor with an additional resistive pencil trace, an RC low-pass filter was demonstrated. Further utility of the pencil-on-paper devices was demonstrated through description of a

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Bhargava, Cherry, Vijay Kumar Banga, and Yaduvir Singh. "Condition monitoring of aluminium electrolytic capacitors using accelerated life testing." International Journal of Quality & Reliability Management 35, no. 8 (2018): 1671–82. http://dx.doi.org/10.1108/ijqrm-06-2017-0115.

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Purpose An electrolytic capacitor is extensively used as filtering devices in various power supplies and audio amplifiers. Low cost and higher value of capacitance make it more well known. As environmental stress and electrical parameters increase, capacitors degrade on accelerated pace. The paper aims to discuss these issues. Design/methodology/approach This paper focusses on the impact of thermal stress on electrolytic capacitors using accelerated life testing technique. The failure time was calculated based on the change in capacitance, equivalent series resistance and weight loss. The expe

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