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Artykuły w czasopismach na temat „High Voltage Application”

Autor: Grafiati

Data publikacji: 6 września 2023

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1

Adams, W. W., i D. L. Vezie. "Application of high-resolution low-voltage SEM to the study of high-performance polymers". Proceedings, annual meeting, Electron Microscopy Society of America 49 (sierpień 1991): 1040–41. http://dx.doi.org/10.1017/s0424820100089512.

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Low-voltage, high-resolution (LVHR) scanning electron microscopy (SEM) of polymers is becoming more widespread as the new LVHRSEMs become more available to the general microscopy public. Although low-voltage SEM has been known for many years, the availability of new high-resolution microscopes with high-brightness field emission electron guns (FEG) and lens systems optimized for lower operating voltages (especially the immersion lens designs) has revolutionized the field of polymer surface morphology. The adequate beam current and excellent resolution at low voltages (4.0 nm at 1.0 keV) results in a dramatic improvement in image contrast at low voltages due to reduced beam spread and smaller interaction volume. In addition, imaging can be performed near the E2 crossover voltage, which means there is little or no sample charging, necessitating little or no sample coating with conducting metals or carbon, thus simplifying sample preparation.

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2

Meyer, W. G. "High Voltage CMOS: Devices and Application". ECS Proceedings Volumes 1987-13, nr 1 (styczeń 1987): 60–67. http://dx.doi.org/10.1149/198713.0060pv.

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Dong, Jun, Yan Jun Pang, Da Lin Zhang, Zheng Zhi Yu, Qing Hao Wang, Chang Bo Zhang i Jing Liu. "The High-Voltage Reactive Power Compensation Device Applications and Innovations". Applied Mechanics and Materials 494-495 (luty 2014): 1787–90. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1787.

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This article briefly describes the modern power system of high-voltage reactive power compensation device development status, discusses the high voltage reactive power compensation device applications, with the traditional high-voltage reactive power compensation device matching, demonstration of a new generation SVC (Static Var Compensator) and SVG (STATCOM) advantages and application results. This paper focuses on the innovative technology in the new generation of high-voltage reactive power compensation device in the application, while a new generation of high voltage discussed reactive power compensation device application prospects.

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4

Sui, Tao, Zhen Kong, Wei Wei Kong, Wu Lu i Yang Guo. "Application of Average Filtering Algorithm in High Voltage Grid for Pulse Shocking". Applied Mechanics and Materials 494-495 (luty 2014): 1833–36. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1833.

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In order to increase the performance of the current high voltage grid for pulse shocking, which is imperfection in controlling the intensity of pulse shock in the high voltages, a set of perimeter prevention high-voltage grid system is design with using the programmable logic controller (PLC). In this design, the average filtering algorithm is applied for promoting the accuracy of the intensity. The feasibility of the algorithm is verified through simulation. In this paper, the algorithm and the experimental procedure are mainly discusses, and so get some result about the changeable resistor, which could adjust the intensity of high voltage pulse shock.

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5

Sladić, Saša, Srđan Skok i David Nedeljković. "Efficiency Considerations and Application Limits of Single-Phase Active Power Filter with Converters for Photoenergy Applications". International Journal of Photoenergy 2011 (2011): 1–8. http://dx.doi.org/10.1155/2011/643912.

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A new way of connecting PV sources to adaptive voltage active power filter (AV APF) has been compared with classic approach including active power filter (APF). In standard active power filter applications a relatively high DC link voltage (500 V or even more) with a buck converter or lower voltage (approx. 100 V) with boost converter can be used. These two converters appear also in adaptive voltage circuit of AV APF, but in this case it is possible to achieve many different connections of DC source. Benefit of this approach is that the same circuit is used for improving switching conditions in APF and for connection of solar cells. It appears that these two functions support each other and a large variety of DC voltages and currents can be connected to AC mains. Experimental results confirm expectations of increased energy transfer from additional DC source to network, especially for DC voltages being lower than DC link voltage.

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6

Huang, C. F., N. L. Allen i D. A. Greaves. "High voltage circuits for application of composite voltages to test gaps". IEE Proceedings - Science, Measurement and Technology 146, nr 2 (1999): 64. http://dx.doi.org/10.1049/ip-smt:19990030.

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7

Volskiy, Sergey, Yury Skorokhod i Dmitriy Sorokin. "High-Voltage Converter for the Traction Application". Advances in Power Electronics 2016 (29.06.2016): 1–9. http://dx.doi.org/10.1155/2016/4705709.

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High-voltage converter employing IGCT switches (VDC=2800 V) for traction application is presented. Such a power traction drive operates with an unstable input voltage over 2000⋯4000 V DC and with an output power up to 1200 kW. The original power circuit of the high-voltage converter is demonstrated. Development of the attractive approach to designing the low-loss snubber circuits of the high-frequency IGCT switches is proposed. It is established on the complex multilevel analysis of the transient phenomena and power losses. The essential characteristics of the critical parameters under transient modes and the relation between the snubber circuit parameters and the losses are discussed. Experimental results for the prototype demonstrate the properties of new power circuit. The test results confirm the proposed high-voltage converter performance capability as well as verifying the suitability of the conception for its use in the Russian suburban train power system and other high-voltage applications.

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8

Kadim, Emran Jawad, Zulkarnain Ahmad Noorden, Zuraimy Adzis i Norhafiz Azis. "Nanoparticles Application in High Voltage Insulation Systems". IEEE Transactions on Dielectrics and Electrical Insulation 28, nr 4 (sierpień 2021): 1380–99. http://dx.doi.org/10.1109/tdei.2021.009531.

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9

Martin-Ramos, Juan A., Alberto M. Pernia, Juan Diaz, Fernando Nuno i Juan A. Martinez. "Power Supply for a High-Voltage Application". IEEE Transactions on Power Electronics 23, nr 4 (lipiec 2008): 1608–19. http://dx.doi.org/10.1109/tpel.2008.925153.

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10

Beriber, D., A. Talha i M. Boucherit. "Stabilization of multi DC bus link voltages of multilevel NPC VSI. Application to double stator induction motors". Archives of Control Sciences 22, nr 1 (1.01.2012): 107–20. http://dx.doi.org/10.2478/v10170-011-0015-1.

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Stabilization of multi DC bus link voltages of multilevel NPC VSI. Application to double stator induction motors Voltage source multilevel inverters have become very attractive for power industries in power electronics applications during last years. The main purposes of studying multilevel inverters are the generation of output voltage signals with low harmonic distortion and reduction of switching frequency. An important issue of the multilevel inverter is the capacitor voltage-balancing problem. The unbalance of different DC voltage sources of multilevel neutral point clamped (NPC) voltage source inverter (VSI) constitutes the major limitation for the use of this new power converter. In this paper, we present study on the stability problem of the input DC voltages of the three-level Neutral Point Clamping (NPC) voltage source inverter (VSI). This inverter is useful for application in high voltage and high power area. In the first part, we remind the model of double stator induction motors (DSIM). Then, we develop control models of this inverter using the connection functions of the semi-conductors. We propose a Pulse Width Modulation (PWM) strategy to control this converter. The inverter is fed by constant input DC voltages. In the last part, we study the stability problem of the input DC voltages of the inverter. A cascade constituted by two three-level PWM rectifiers - two three-level NPC VSI - DSIM is discussed. The results obtained show that the input DC voltages of the inverters are not stable. To solve this problem, we propose to use a half clamping bridge. This solution is very promising in order to stabilize the input DC voltages of this converters.

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11

Raveendhra, Dogga, Poojitha Rajana, Kalamchety Srinivasa Ravi Kumar, Praveen Jugge, Ramesh Devarapalli, Eugen Rusu i Hady H. Fayek. "A High-Gain Multiphase Interleaved Differential Capacitor Clamped Boost Converter". Electronics 11, nr 2 (14.01.2022): 264. http://dx.doi.org/10.3390/electronics11020264.

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A step-up for a non-isolated interleaved differential capacitor clamped boost (IDCCB) DC–DC converter is proposed in this manuscript. Because of its ability to produce high voltage gains, it is used in high-power applications. This converter’s modelling and control design are applicable to any number of phases. A six-phase interleaved differential capacitor clamped boost prototype is tested in this work, with an input voltage of 60 V, an output voltage of 360 V, and a nominal output power of 2.2 kW. The components of the converter are placed and controlled in such a way that the output voltage is the sum of the two capacitor voltages and the input voltage, which is two times higher than the supply voltage when compared to a conventional interleaved differential dual-boost converter. This converter reduces the stress on the capacitor with reference to the conventional interleaved differential boost converter for the same conversion gain. This prototype is considered and the developed approach is applied, after which the experimental results are obtained. This converter has potential for application in areas such as renewable energy conversion and electric vehicles.

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12

Kim, Ji-Suk, Su-Mi Park, Seung-Ho Song, Chan-Gi Cho i Hong-Je Ryoo. "A Study on the High Voltage Resonant LCC Converter Design for High Voltage Application". Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 31, nr 3 (31.03.2017): 53. http://dx.doi.org/10.5207/jieie.2017.31.3.053.

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13

Andrade, António Manuel Santos Spencer, Everson Mattos i Mário Lúcio da Silva Martins. "High-Efficiency Boost-Flyback Converter with Voltage Multiplier Cells for High Voltage Gain Application". Electric Power Components and Systems 46, nr 1 (2.01.2018): 104–11. http://dx.doi.org/10.1080/15325008.2018.1430188.

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14

Toft, Jakob K., i Ivan H. H. Jorgensen. "Analysis of Charge Pump Topologies for High Voltage Mobile Microphone Applications". Elektronika ir Elektrotechnika 27, nr 2 (29.04.2021): 31–39. http://dx.doi.org/10.5755/j02.eie.28827.

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This paper presents a novel analysis of charge pump topologies for very high voltage capacitive drive micro electro-mechanical system microphones. For the application, the size and power consumption are sought to be minimized, and a voltage gain of 36 is achieved from a 5 V supply. The analysis compares known charge pump topologies, taking into consideration on resistance of transistors and parasitic capacitances of transistors and capacitors in a 180 nm silicon-on-insulator process. The analysis finds that the Pelliconi charge pump topology is optimal for generating very high bias voltages for micro electro-mechanical system microphones from a low supply voltage when the power consumption and area are limited by the application.

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15

Xie, Shijun, Yu Zhang, Huaiyuan Yang, Hao Yu, Zhou Mu, Chenmeng Zhang, Shupin Cao, Xiaoqing Chang i Ruorong Hua. "Application of Integrated Optical Electric-Field Sensor on the Measurements of Transient Voltages in AC High-Voltage Power Grids". Applied Sciences 9, nr 9 (13.05.2019): 1951. http://dx.doi.org/10.3390/app9091951.

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Transient voltages in the power grid are the key for the fault analysis of a power grid, optimized insulation design, and the standardization of the high-voltage testing method. The traditional measuring equipment, based on electrical engineering, normally has a limited bandwidth and response speed, which are also featured by a huge size and heavy weight. In this paper, an integrated optical electric-field sensor based on the Pockels effect was developed and applied to measure the transient voltages on the high-voltage conductors in a non-contact measuring mode. The measuring system has a response speed faster than 6 ns and a wide bandwidth ranging from 5 Hz to 100 MHz. Moreover, the sensors have the dimensions of 18 mm by 18 mm by 48 mm and a light weight of dozens of grams. The measuring systems were employed to monitor the lightning transient voltages on a 220 kV overhead transmission line. The switching transient voltages were also measured by the measuring system during the commissioning of the 500 kV middle Tibet power grid. In 2017, 307 lightning transient voltages caused by induction stroke were recorded. The characteristics of these voltage waveforms are different from the standard lightning impulse voltage proposed by IEC standards. Three types of typical switching transient voltage in 500 kV AC power grid were measured, and the peak values of these overvoltages can reach 1.73 times rated voltage.

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16

Hou, Zhe, Zhi Wei Huang, Rong Xue, Chen Xi Huang, Hong Jie Li i Sheng Chang Ji. "Novel High Voltage Switch for Damped Oscillatory Voltage Testing System". Applied Mechanics and Materials 494-495 (luty 2014): 1424–27. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.1424.

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This paper describes the development of a novel high voltage (HV) switch for use in the damping oscillating voltage testing system. Specialized for up to 10 kV rated XLPE partial discharge test application, the switch consists of ten identical IGBT function units in series connection and has a maximum voltage of 20 kV. To solve the synchronization problem of the gate signal, we used the optical fiber to trigger the units. A multiple isolation power-supply system is used for the drive circuit. The operation of proposed switch is tested on an equivalent specimen, confirming the feasibility of this kind of application.

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17

Yue, Hongwei, Xiaofei Sun, Junxin Liu, Weilin Xu, Haiou Li, Baolin Wei, Taotao Wang i Siyu Lin. "16.8/15.2 ppm/°C 81 nW High PSRR Dual-Output Voltage Reference for Portable Biomedical Application". Electronics 8, nr 2 (15.02.2019): 213. http://dx.doi.org/10.3390/electronics8020213.

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A dual-output voltage reference circuit with two reference voltages of 281 mV (Vref1) and 320.5 mV (Vref2) is presented in this paper. With a novel and precise circuit structure, the proposed circuit, operating in the subthreshold region, integrates two different output voltages into a circuit to form a dual-output voltage reference, and cascode current mirrors are used to enhance the power supply rejection ratio (PSRR). The proposed circuit was designed in a standard 0.18-µm CMOS process and has a series of attractive features: low-temperature coefficient (TC), high-PSRR, low-Line sensitivity (LS), small-chip area and low-power consumption. Monte Carlo simulations for 2000 samples showed that the output voltages 281 mV and 320.5 mV had a variation coefficient of 1.73% and 1.44%, respectively. The minimum power consumption was 84.1 nW at 0.9 V supply, proving that the circuit is suitable for portable biomedical application. The active area of the proposed voltage reference was only 0.0086 mm2.

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18

Fouad, Hafez, Hesham Kamel i Adel Youssef. "High Precision Low Input Voltage of 65nm CMOS Rectifier for Energy Harvesting using Threshold Voltage Minimization in Telemedicine Embedded System". International Journal of Circuits, Systems and Signal Processing 16 (7.10.2022): 1135–47. http://dx.doi.org/10.46300/9106.2022.16.137.

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Telemedicine applications run at very low input voltages, necessitating the use of Great Precision Rectifier with high sensitivity to function at low input voltages. In this study, we used a 65 nm CMOS rectifier to achieve a 0.2V input voltage for Energy Harvesting Telemedicine application. The suggested rectifier, which has two-stage structure and operates at frequency of 2.4GHz, has been found to perform better in cases where the minimum operating voltage is lower than previously published papers, and the rectifier can operate over a wide range of low input voltage amplitudes. Full-Wave Fully gate cross-coupled Rectifiers (FWFR) CMOS Rectifier Efficiency at Freq of 2.4 GHz: With an input voltage amplitude of 2V, the minimum and maximum output voltages are 0.49V and 1.997V, respectively, with a peak VCE of 99.85 percent and a peak PCE of 46.86 percent. This enables the suggested rectifier to be used in a variety of vibration energy collecting systems, including electrostatic, electromagnetic, and piezoelectric energy harvesters. The proposed rectifier, which is built at 2.4GHz and has a two-stage structure, performs better in the event of low input voltage amplitude and has lower minimum operation voltage than previously published papers. Full-wave fully gate cross-coupled rectifiers (FWFR) CMOS Rectifier Performance Summary at Freq of 2.4 GHz: With a 2V input voltage amplitude, the minimum and maximum output voltages are 0.49V and 1.997V, respectively, with a maximum VCE of 99.85% and a maximum PCE of 46.86%.

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19

Tooker, J. F., P. Huynh i R. W. Street. "Solid-state high voltage modulator and its application to rf source high voltage power supplies". Fusion Engineering and Design 84, nr 7-11 (czerwiec 2009): 1857–61. http://dx.doi.org/10.1016/j.fusengdes.2008.12.086.

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20

Neretti i Ricco. "Self-Tuning High-Voltage and High-Frequency Sinusoidal Power Supply for Dielectric Barrier Discharge Plasma Generation". Electronics 8, nr 10 (8.10.2019): 1137. http://dx.doi.org/10.3390/electronics8101137.

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In this paper a high-voltage sinusoidal power supply controlled by Arduino DUE micro-controller is described. This generator can feed a dielectric barrier discharge (DBD) load with sinusoidal voltages up to 20 kV peak and frequencies in the range 10–60 kHz, with a maximum output power of 200 W. Output voltage can be produced either in a continuous mode, or with on/off modulation cycles, according to treatment/application requirements. This power source is equipped with on-board diagnostics used to measure the output voltage and the charge delivered to the load. With a sample frequency of 500 kHz, Arduino DUE allows to evaluate both the high voltage and the average power feeding the discharge without the use of an expensive external measurement setup. Lissajous techniques are utilized to calculate discharge average power in a quasi-real-time manner. When a load is connected to high-voltage terminals, a self-tuning procedure is carried out to obtain the best working frequency. This parameter allows to minimize power-electronic component stress and to maximize generator efficiency.

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21

Syasko, V. A., S. S. Golubev i A. S. Musikhin. "THE HIGH VOLTAGE TESTING OF DIELECTRIC COATINGS THICKNESS". Kontrol'. Diagnostika, nr 267 (wrzesień 2020): 12–17. http://dx.doi.org/10.14489/td.2020.09.pp.012-017.

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The technology of applying many coatings (including paints and varnishes) involves the layering of visually indistinguishable layers that make up the coating system. However, in case of application technology violation, the number of coating layers (thickness) may not correspond to the declared. Thus, in a number of cases, it is necessary to control the number of layers of the final coating system. One of the most common methods for monitoring the continuity of coatings is the high voltages spark method of non-destructive testing. The method involves the application of a high voltage U between the electrode installed on the surface of the coating and the conductive substrate. The revealing of defect coating area provide by registering the coating breakdown. The analysis shows that the development of methods for detecting not only discontinuities, but also unacceptable thinning of dielectric coatings due to their spark breakdown, seems to be a promising direction in the development of high voltages spark testing. In relation to pulsed high voltages spark testing, the electrical mechanism of the breakdown of dielectrics based on quantum-mechanical concepts, the conditions of its occurrence, and the main relations obtained for calculating the electric strength Es and breakdown voltage Us for protective dielectric coatings are considered in detail. Comparative results of an experimental study of the proposed algorithms for calculating Es and Us, as well as methods for identifying (tolerance control) sections of paint coatings with an unacceptable minimum thickness and coating bubbles, are presented. The application of the proposed algorithms and methods will allow one hundred percent control of the continuity and unacceptable thinning of paint and varnish and similar dielectric protective coatings of the external and internal surfaces of pipelines, as well as various large area facilities.

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22

Syasko, V. A., S. S. Golubev i A. S. Musikhin. "THE HIGH VOLTAGE TESTING OF DIELECTRIC COATINGS THICKNESS". Kontrol'. Diagnostika, nr 267 (wrzesień 2020): 12–17. http://dx.doi.org/10.14489/td.2020.09.pp.012-017.

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The technology of applying many coatings (including paints and varnishes) involves the layering of visually indistinguishable layers that make up the coating system. However, in case of application technology violation, the number of coating layers (thickness) may not correspond to the declared. Thus, in a number of cases, it is necessary to control the number of layers of the final coating system. One of the most common methods for monitoring the continuity of coatings is the high voltages spark method of non-destructive testing. The method involves the application of a high voltage U between the electrode installed on the surface of the coating and the conductive substrate. The revealing of defect coating area provide by registering the coating breakdown. The analysis shows that the development of methods for detecting not only discontinuities, but also unacceptable thinning of dielectric coatings due to their spark breakdown, seems to be a promising direction in the development of high voltages spark testing. In relation to pulsed high voltages spark testing, the electrical mechanism of the breakdown of dielectrics based on quantum-mechanical concepts, the conditions of its occurrence, and the main relations obtained for calculating the electric strength Es and breakdown voltage Us for protective dielectric coatings are considered in detail. Comparative results of an experimental study of the proposed algorithms for calculating Es and Us, as well as methods for identifying (tolerance control) sections of paint coatings with an unacceptable minimum thickness and coating bubbles, are presented. The application of the proposed algorithms and methods will allow one hundred percent control of the continuity and unacceptable thinning of paint and varnish and similar dielectric protective coatings of the external and internal surfaces of pipelines, as well as various large area facilities.

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23

Zilu Wu, Yumin Gao, Jinsheng Luo, Xun Hou i Guofu Chen. "Application of BEM to high-voltage junction termination". IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 20, nr 10 (2001): 1218–25. http://dx.doi.org/10.1109/43.952738.

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24

Bottini, R., S. Costantini, N. Galbiati, A. Ghetti, G. Ghidini, A. Mauri, C. Scozzari i A. Sebastiani. "High voltage transistor degradation in NVM pump application". Microelectronics Reliability 47, nr 9-11 (wrzesień 2007): 1384–88. http://dx.doi.org/10.1016/j.microrel.2007.07.050.

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25

Huibers, Martijn, Theo Bosma i Paul Raats. "Ionomeric High Voltage Membranes (IHVM's)—Synthesis and application". Desalination 250, nr 3 (styczeń 2010): 1042–46. http://dx.doi.org/10.1016/j.desal.2009.09.103.

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26

Amudhavalli, Dhanaraj, Nalin Kant Mohanty i Ashwin Kumar Sahoo. "Interleaved quadratic boost converter integrated with Dickson voltage multiplier with energy storage for high power photo voltaic applications". International Journal of Power Electronics and Drive Systems (IJPEDS) 12, nr 2 (1.06.2021): 957. http://dx.doi.org/10.11591/ijpeds.v12.i2.pp957-967.

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In this paper interleaved quadratic boost converter with Dickson voltage multiplier is proposed. Photovoltaic system is connected to high power load through the proposed converter. Structure of this high gain interleaved converter comprised of two stages: interleaved quadratic boost converter stage and Dickson voltage multiplier stage. Interleaved quadratic boost converter is a parallel combination of two quadratic boost converter. The interleaving increases frequency of converter that could be filtered using small capacitors, making input current smoother than the current of conventional quadratic boost converter. Thus, interleaved circuit minimizes current ripple present in input current, cascading of voltage multiplier cell increases the gain voltage ratio of converter making it suitable for high power, high voltage gain photo voltaic applications. Stress voltage of the switches and reverse recovery problems gets reduced, thereby reducing EMI problems. 300W prototype capable of increasing 24V input voltage to 400V output voltage is designed and results tested using MATLAB/Simulink software. Hardware prototype is also implemented to verify simulation results. Also, application of this converter in integrated energy storage is demonstrated.

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Shih, Chien-Fu, Yu-Li Hsieh, Liann-Be Chang, Ming-Jer Jeng, Zi-Xin Ding i Shao-An Huang. "Capacitance Characteristics and Breakdown Mechanism of AlGaN/GaN Metal–Semiconductor–Metal Varactors and their Anti-Surge Application". Crystals 10, nr 4 (10.04.2020): 292. http://dx.doi.org/10.3390/cryst10040292.

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The AlGaN/GaN materials with a wide band gap, high electron mobility, and high breakdown voltage are suitable for manufacturing high-power and high-frequency electronic devices. In this study, metal Schottky contact electrodes of different dimensions are prepared on AlGaN/GaN wafers to fabricate metal–semiconductor–metal (MSM) varactors. Voltage-dependent capacitance and breakdown voltages of the varactors are measured and studied. The corresponding breakdown mechanisms of varactors with different electrode gaps are proposed. Furthermore, an anti-surge application using GaN-based MSM varactors in a signal transmission module is demonstrated, and its surge suppression capability is shown. We believe that our study will be beneficial in developing surge protection circuits for RF applications.

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Ondin, Umut, i Abdulkadir Balikci. "A Transformer Design for High-Voltage Application Using LLC Resonant Converter". Energies 16, nr 3 (30.01.2023): 1377. http://dx.doi.org/10.3390/en16031377.

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The inductor–inductor–capacitor (LLC) resonant converter is a suitable topology for wide output voltage and load range applications with limited circuit parameters. One of the most significant design boundaries of an LLC resonant converter in high-voltage applications is the parasitic capacitance effect of the main circuit components, particularly the transformer and junction capacitances of the secondary rectifier network. Parasitic capacitance effects are much higher in high-voltage applications than in low-voltage applications. Therefore, the use of an LLC resonant converter is limited to high-voltage applications. This study proposes to reduce the capacitive effects of high-voltage transformers and rectification networks with a multi-winding transformer with an integrated rectifier design and to use it in high-voltage applications with the advantages of the LLC resonant converter. For the proposed prototype, comparative experimental measurements were conducted using a conventional scheme. The measurements validate the reliability of the LLC converter for high-voltage applications, improving the output regulation performance while significantly reducing parasitic capacitances.

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Syakur, Abdul, i Arifin Wibisono. "Analysis of Sinusoidal Pulse Width Modulation Parameter Settings in High Precission Closed Loop Full Bridge Bipolar Inverters for High Voltage High Frequency Generator". TEKNIK 41, nr 1 (9.05.2020): 55–61. http://dx.doi.org/10.14710/teknik.v41i1.30787.

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The application of high voltage becomes more important and wider. High voltage is needed in the process of reducing air contaminants, waste treatment, sanitation, disinfecting microorganisms, testing for insulating high voltage equipment, and transmitting electrical energy. The problem of high voltage AC generation system is still in a large scale, static, not portable, and very expensive. This paper presents an analytical design of a high-voltage AC high-frequency based on power electronic. It is portable, less expensive, and eaasier to control the amplitudo and frequency. The application of the Full Bridge Bipolar Inverter topology with the Sinusoidal Pulse Width Modulation switching method provides variable sinusoidal AC voltage outputs (Vo) on its amplitude and frequency. The Tesla Coil Transformer amplifies the amplitude in accordance with the classification of the high voltage AC in the order of Kilo Volt. The Closed Loop control system in the Bipolar Inverter Full Bridge topology provides high accuracy results between the given setting values and the actual amplitude output and the expected high-frequency AC voltage. Analysis of the SPWM switching pattern parameter settings shows stability for several loading variations

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Leelachariyakul, Banyat, i Peerawut Yutthagowith. "Resonant Power Frequency Converter and Application in High-Voltage and Partial Discharge Test of a Voltage Transformer". Energies 14, nr 7 (5.04.2021): 2014. http://dx.doi.org/10.3390/en14072014.

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This paper presents application of a resonant power frequency converter for high-voltage (HV) and partial discharge (PD) test of a voltage transformer. The rating voltage, power, and frequency of the system are 70 kVrms, 40 kVA, and 200 Hz, respectively. The testing system utilized the converter feeding to an HV testing transformer connected to a conventional partial discharge detection system. The converter system comprising a rectifier and insulated-gate bipolar (IGBT) switches with the H-bridge configuration was applied as a low-voltage source instead of a conventional motor-generator test set which requires large space and high cost. The requirements of the test according to the standards are quality of the test voltage and the background noise level. The required voltage must have the different voltage (DV) and total harmonic distortion (THDv) in the acceptable values of less than 5%. The DV is defined as the difference of the root mean square and peak voltages in percent. The required background noise level must be lower than 2.5 pC. Simulations and experiments were performed for verification of the developed system performance in comparison with those of the previously developed system based on the pulse width modulation converter. It is found that the developed system can provide the testing voltage with the DV and the THDv of lower than 1% and the background noise level of lower than 1 pC. Considering this achievement of promising performance, the developed system is an attractive choice for the HV and PD testing of voltage transformers in real practice.

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Nagasaka, D. M., i M. R. Raghuveer. "Signal Reconstruction in High Voltage Engineering". International Journal of Electrical Engineering & Education 25, nr 1 (styczeń 1988): 51–57. http://dx.doi.org/10.1177/002072098802500111.

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This paper points out the relevance of signal reconstruction in high voltage engineering and the advantage of considering constrained methods. The application of the constrained least squares and the constrained iterative reconstruction techniques, in the frequency domain, is discussed.

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32

Imamura, Motonori, Atsushi Miyagi, Shuai Gao, Nieng Yan i Simon Scheuring. "High-speed AFM imaging of voltage gated sodium channel NaChBac and voltage application". Biophysical Journal 122, nr 3 (luty 2023): 175a. http://dx.doi.org/10.1016/j.bpj.2022.11.1089.

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Hassen, Néjib, Houda Bdiri Gabbouj i Kamel Besbes. "Low-voltage high-performance current mirrors: Application to linear voltage-to-current converter". International Journal of Circuit Theory and Applications 39, nr 1 (styczeń 2011): 47–60. http://dx.doi.org/10.1002/cta.618.

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Cantoni, Marco, i Shigeo Horiuchi. "Application of Imaging Plates to High-Resolution High-Voltage Electron Microscopy". Materials Transactions, JIM 39, nr 9 (1998): 909–13. http://dx.doi.org/10.2320/matertrans1989.39.909.

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Shanmugasundaram, S. "Solar Based Z Source Inverter for High Power Application". Bulletin of Electrical Engineering and Informatics 6, nr 4 (1.12.2017): 343–47. http://dx.doi.org/10.11591/eei.v6i4.863.

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The different converters are developer in recent years for efficient operation of PV based various controllers for ac load application. The Z source inverter is used as both buck and boost operation. But the proposed paper Z source inverter produce more output voltage than input voltage. In proposed converter produce high power without using the transformer. The space vector modulation is used as to control the speed of an induction motor. The IFOC based SVM produce the pulse and given to the three phase inverter. In induction motor has high power application so the proposed Z source produces high output. The dc link voltage regulation using the filter. The proposed Z source based PV is implemented using MATLAB/ SIMULINK environment.

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36

Ardhenta, Lunde, i Ramadhani Kurniawan Subroto. "Application of direct MRAC in PI controller for DC-DC boost converter". International Journal of Power Electronics and Drive Systems (IJPEDS) 11, nr 2 (1.06.2020): 851. http://dx.doi.org/10.11591/ijpeds.v11.i2.pp851-858.

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<p>Almost all electronic components require a DC power supply at present days. The needs of DC power supplies from low voltage scales, medium voltages such as generators, to high voltage scales for high voltage electricity transmission. The improvement of PI controller performances is presented in this paper. The adaptation gains improve transient response of DC-DC Boost Converter several operating conditions. Massachusetts Institute of Technology (MIT) rule is applied as an adaptive mechanism to determine the optimal control parameters in some conditions. The used adaptive control technique is Direct Model Reference Adaptive Control (MRAC), this method as able to control system in some various input voltage. The proposed method has a stable response and able to reach the model reference smoothly. However, the response of the system has instantaneously overshoot and follows the response back of model reference. The responses of proposed controller have short period of rise time, settling time, and overshoot.</p>

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Chen, Meng, Yan Li, Jinyang Bai, Gang Feng, Yujin Peng i Jiangzhen Guo. "Overview of High-voltage Large-capacity DC Transformer". Journal of Physics: Conference Series 2166, nr 1 (1.01.2022): 012015. http://dx.doi.org/10.1088/1742-6596/2166/1/012015.

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Abstract DC transformer is the core equipment to realize the convergence and transmission of new energy such as solar energy, wind energy, etc. It also plays a key role in the construction of large-scale DC power grid in the future. Therefore, DC transformer has a broad application prospects in the future energy Internet era. This paper briefly summarizes the current research on DC transformer at home and abroad, and also summarizes the current research on DC transformer in the future. On the basis of the basic principle of decomposing DC transformers, the characteristics and applications of common DC transformers are classified and the problems to be solved are summarized.

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Senthil Nayagam, V., i L. Premalatha. "Green Energy Based Coupled Inductor Interleaved Converter with MPPT Technique for BLDC Application". International Journal of Power Electronics and Drive Systems (IJPEDS) 9, nr 4 (1.12.2018): 1725. http://dx.doi.org/10.11591/ijpeds.v9.i4.pp1725-1732.

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<p><span lang="EN-US">This paper presents a high step-up converter with combination of battery and solar energy source application. The proposed green energy source boosted by using coupled inductor interleaved converter. The coupled inductor and voltage double circuit can reach the high voltage gain without more stress on the converter circuit as well as much</span><span lang="EN-US">changes in duty cycle. The photo voltaic system maximum output is 12volts it can be varied by changes of irradiation level .The maximum output voltage is tracking by using MPPT and supplies to the coupled inductor interleaved boost converter. The MPPT working based on the P & O algorithm .The output level of the photo voltaic is high then the battery is charging as well as BLDC motor also being driven efficiently.Whenever the irradiation level will be low the output level of the photo voltaic is less than the battery will be charging and then the motor will running by battery power.</span></p>

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Wang, Yi Fei, You Xin Yuan, Jing Chen i Qi Jian Cheng. "A Dynamic Reactive Power Compensation Method of Super High-Power and High-Voltage Motor". Applied Mechanics and Materials 602-605 (sierpień 2014): 2828–31. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.2828.

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According to the low power factor and low running efficiency, a dynamic reactive power compensation method of the super high-power and high-voltage motor is proposed in this paper. The following works have been done in the study: topology of the dynamic reactive power compensation device; principle of the dynamic reactive power compensation method; control system of the dynamic reactive power compensation device; implementation of the dynamic reactive power compensation method. The amount of reactive power compensation can be adjusted smoothly and dynamically in the process of the super high-power and high-voltage motor soft-starting. The research of this paper has laid a theoretical foundation for this compensator in industrial applications. The novel design is characterized by flexible parameter setting, excellent soft starting performance of the super high-power and high-voltage motor and bright prospect in application.

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Chen, Gang, Ya Nan Li, Lin Wang, Ao Liu, Song Bai, Dong Hua Li i Qing Meng Zhang. "Research on the Package of High Voltage SiC JBS". Applied Mechanics and Materials 713-715 (styczeń 2015): 1038–41. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.1038.

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According to the application of the high voltage SiC devices, studying the package of three kinds of SiC dies with different metals. Experiments show that all die wire bonding and shear strength measurement up to standard, and provide three kinds of packages for different applications, at the same time, filling the needs of producing. The purpose of the shear strength test is to determine the integrity of materials used to attach SiC die to package substrates.

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TAKESHITA, TERUAKI. "Application of High-voltage Mining Machinery in Miike Colliery." Shigen-to-Sozai 107, nr 10 (1991): 718–20. http://dx.doi.org/10.2473/shigentosozai.107.718.

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Li, Yan-Jie, i Yu-Xiang Chen. "Application of High-Voltage Power Supply on Electrostatic Precipitator". World Journal of Engineering and Technology 05, nr 02 (2017): 269–74. http://dx.doi.org/10.4236/wjet.2017.52021.

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Mizuno, A., i Y. Hori. "Destruction of living cells by pulsed high-voltage application". IEEE Transactions on Industry Applications 24, nr 3 (maj 1988): 387–94. http://dx.doi.org/10.1109/28.2886.

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Mohamad, A., G. Chen, Y. Zhang i Z. An. "Surface fluorinated epoxy resin for high voltage DC application". IEEE Transactions on Dielectrics and Electrical Insulation 22, nr 1 (luty 2015): 101–8. http://dx.doi.org/10.1109/tdei.2014.004574.

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Unger, Pamela G. "Update on High-Voltage Pulsed Current Research and Application". Topics in Geriatric Rehabilitation 16, nr 2 (grudzień 2000): 35–46. http://dx.doi.org/10.1097/00013614-200012000-00006.

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Isoda, Seiji, Kimitsugu Saitoh, Sakumi Moriguchi i Takashi Kobayashi. "Application of Imaging Plate to High-Voltage Electron Microscopy". Proceedings, annual meeting, Electron Microscopy Society of America 48, nr 1 (12.08.1990): 168–69. http://dx.doi.org/10.1017/s0424820100179592.

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On the observation of structures by high resolution electron microscopy, recording materials with high sensitivity and high quality is awaited, especially for the study of radiation sensitive specimens. Such recording material should be easily combined with the minimum dose system and cryoprotection method. Recently a new recording material, imaging plate, comes to be widely used in X-ray radiography and also in electron microscopy, because of its high sensitivity, high quality and the easiness in handling the images with a computer. The properties of the imaging plate in 100 to 400 kV electron microscopes were already discussed and the effectiveness was revealed.It is demanded to study the applicability of the imaging plate to high voltage electron microscopy. The quality of the imaging plate was investigated using an imaging plate system (JEOL EM-HSR100) equipped in a new Kyoto 1000kV electron microscope. In the system both the imaging plate and films can be introduced together into the camera chamber. Figure 1 shows the effect of accelerating voltage on read-out signal intensities from the imaging plate. The characteristic of commercially available imaging plates is unfortunately optimized for 100 to 200 keV electrons and then for 600 to 1000 keV electrons the signal is reduced. In the electron dose range of 10−13 to 10−10 C/cm2, the signal increases linearly with logarithm of electron dose in all acceralating volatges.

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Candas, Metin, i Ozlem Sahin Meric. "The Application of Ultra High Voltage in the World". Journal of Power and Energy Engineering 03, nr 04 (2015): 453–57. http://dx.doi.org/10.4236/jpee.2015.34062.

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Baker, Anthony. "Design and application of braced high voltage insulator assemblies". IEEE Electrical Insulation Magazine 26, nr 2 (marzec 2010): 26–34. http://dx.doi.org/10.1109/mei.2010.5482552.

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Dervos, C., P. D. Bourkas i E. A. Kayafas. "Potential Profile of Dielectrics during High-Voltage Pulse Application". Physica Status Solidi (a) 112, nr 1 (16.03.1989): 123–30. http://dx.doi.org/10.1002/pssa.2211120113.

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Varivodov, V. N., D. I. Kovalev, D. V. Golubev, S. A. Elfimov, A. A. Nesterenko i V. A. Glebov. "Application of Polymer Films in High-Voltage Insulation Structures". Russian Electrical Engineering 94, nr 4 (kwiecień 2023): 268–71. http://dx.doi.org/10.3103/s1068371223040090.

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