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Journal articles on the topic 'Direct current source'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Zhu, W., N. Takano, K. H. Schoenbach, et al. "Direct current planar excimer source." Journal of Physics D: Applied Physics 40, no. 13 (2007): 3896–906. http://dx.doi.org/10.1088/0022-3727/40/13/s09.

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2

Dudek, D., N. Bibinov, J. Engemann, and P. Awakowicz. "Direct current plasma jet needle source." Journal of Physics D: Applied Physics 40, no. 23 (2007): 7367–71. http://dx.doi.org/10.1088/0022-3727/40/23/017.

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3

Smith, H. Vernon, Paul Allison, Carl Geisik, David R. Schmitt, J. David Schneider, and James E. Stelzer. "A direct‐current Penning surface‐plasma source." Review of Scientific Instruments 65, no. 4 (1994): 1176–78. http://dx.doi.org/10.1063/1.1145049.

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4

Dudnikov, V., C. W. Schmidt, R. Hren, and J. Wendt. "Direct current surface plasma source with high emission current density." Review of Scientific Instruments 73, no. 2 (2002): 989–91. http://dx.doi.org/10.1063/1.1431410.

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5

Vereshchago, E. N., and V. I. Kostyuchenko. "Instability of mode in circuit with capacity and electric arc supplied by direct current source." Paton Welding Journal 2014, no. 8 (2014): 42–46. http://dx.doi.org/10.15407/tpwj2014.08.07.

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6

Kusztrits, Isabella, Lynn Marquardt, Kenneth Hugdahl, and Marco Hirnstein. "Transcranial direct current stimulation (tDCS) enhances internal source monitoring abilities in healthy participants." PLOS ONE 16, no. 9 (2021): e0257010. http://dx.doi.org/10.1371/journal.pone.0257010.

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Source monitoring refers to the ability to identify the origin of a memory, for example, whether you remember saying something or thinking about it, and confusions of these sources have been associated with the experience of auditory verbal hallucinations (AVHs). Both AVHs and source confusions are reported to originate from dysfunctional brain activations in the prefrontal cortex (PFC) and the superior temporal gyrus (STG); specifically, it is assumed that a hypoactive PFC and a hyperactive STG gives rise to AVHs and source confusions. We set out to test this assumption by trying to mimic thi

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7

Shi, Xiaoqian, Meiqiang Zhu, Zhaokang Zhan, Kan Zang, Huajun Dong, and Fangzhun Guo. "Development of Helium Direct Current Discharge Ultraviolet Light Source." IOP Conference Series: Earth and Environmental Science 772, no. 1 (2021): 012035. http://dx.doi.org/10.1088/1755-1315/772/1/012035.

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8

Atta, A., A. M. Abdel Reheem, and H. El-Khabeary. "Design, characterization and applications of direct current plasma source." Emerging Materials Research 11, no. 2 (2022): 1–8. http://dx.doi.org/10.1680/jemmr.22.00008.

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In this paper, the construction, and operation of a locally design cold plasma reactor are described. The anode diameter effect is studied in three inner diameters 5 mm, 10 mm, and 15 mm. This effect on the discharge and plasma characteristics is studied using oxygen and argon gases. It was found that the optimum diameter is 10 mm. Moreover, the plasma density and temperature are investigated using a cylindrical Langmuir probe at the optimum diameter. It is found that the electron temperature reaches 1.6 eV and the electron density reaches 2.3x108 cm−3 in the case of oxygen gas. On the other h

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9

Tsukamoto, Osami, Yoshiaki Nagai, and Kazuhiro Imaie. "Direct Connected Multiple Current Source Converters for SMES system." IEEJ Transactions on Industry Applications 118, no. 9 (1998): 992–99. http://dx.doi.org/10.1541/ieejias.118.992.

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10

Belchenko, Yu, I. Gusev, A. Khilchenko, et al. "Advanced direct current negative-ion source for accelerator use." Review of Scientific Instruments 77, no. 3 (2006): 03A527. http://dx.doi.org/10.1063/1.2170032.

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11

Belchenko, Yu, and V. Savkin. "Direct current H− source for the medicine accelerator (invited)." Review of Scientific Instruments 75, no. 5 (2004): 1704–8. http://dx.doi.org/10.1063/1.1699457.

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12

Posadowski, Witold M., and Zbigniew J. Radzimski. "Sustained self‐sputtering using a direct current magnetron source." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 11, no. 6 (1993): 2980–84. http://dx.doi.org/10.1116/1.578679.

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13

Tsukamoto, Osami, Yoshiaki Nagai, and Kazuhiro Imaie. "Direct-connected multiple current-source converters for SMES system." Electrical Engineering in Japan 133, no. 1 (2000): 87–96. http://dx.doi.org/10.1002/1520-6416(200010)133:1<87::aid-eej9>3.0.co;2-9.

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14

He, Chuan, Chang Bao Han, Guang Qin Gu, et al. "Hourglass Triboelectric Nanogenerator as a “Direct Current” Power Source." Advanced Energy Materials 7, no. 19 (2017): 1700644. http://dx.doi.org/10.1002/aenm.201700644.

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15

Li, Wen. "Advancements and comparative analysis of high-voltage direct current transmission technologies." Applied and Computational Engineering 42, no. 1 (2024): 40–46. http://dx.doi.org/10.54254/2755-2721/42/20230682.

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This paper outlines the fundamental principles of high-voltage direct current (HVDC) transmission, elucidating its two primary variants: current-source converter (CSC) HVDC and voltage-source converter (VSC) HVDC. It also undertakes a comparative analysis with high-voltage alternating current (HVAC) technologies, focusing on aspects such as power transmission efficiency and cost-effectiveness, drawing upon prior research findings. Additionally, the paper underscores the critical role of circuit-breakers (CB) as essential components for controlling HVDC systems. HVDC technology plays a pivotal

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16

Shepherd, A., T. Patton, A. Pimazzoni, et al. "Direct current measurements of the SPIDER beam: a comparison to existing beam diagnostics." Journal of Instrumentation 18, no. 07 (2023): C07019. http://dx.doi.org/10.1088/1748-0221/18/07/c07019.

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Abstract For negative ion beam sources there are several methods of measuring the accelerated beam current, most commonly electrical measurements at the power supply and calorimetric measurements. On SPIDER, the ITER Heating Neutral Beam full-scale beam source prototype, electrical measurements at the acceleration grid power supply (AGPS) are complemented by polarizing the diagnostic calorimeter STRIKE to provide an additional electrical measurement of the accelerated current. This is in addition to the calorimetric measurements provided by STRIKE. These diagnostics give differing measurements

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17

El-Kahel, M., G. Olivier, C. Guimaraes, and G. E. April. "Design and simulation of a high-voltage direct-current source." Canadian Journal of Electrical and Computer Engineering 19, no. 4 (1994): 177–86. http://dx.doi.org/10.1109/cjece.1994.6591121.

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18

Singh, Akanksha, Joseph Benzaquen, and Behrooz Mirafzal. "Current Source Generator–Converter Topology for Direct-Drive Wind Turbines." IEEE Transactions on Industry Applications 54, no. 2 (2018): 1663–70. http://dx.doi.org/10.1109/tia.2017.2781646.

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19

Hara, L. Y., and Michael L. Parsons. "Rotating arc direct current plasma as an emission excitation source." Analytical Chemistry 57, no. 4 (1985): 841–45. http://dx.doi.org/10.1021/ac00281a015.

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20

Narayan, Satish B. Ashwath, and Pasumarthi Usha. "Predictive source management for low power domestic direct current grids." Indonesian Journal of Electrical Engineering and Computer Science 31, no. 3 (2023): 1578. http://dx.doi.org/10.11591/ijeecs.v31.i3.pp1578-1588.

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The decrease in the price of solar photo voltaic (PV) panels has led to the widespread adoption of the solar power as a renewable energy source, not only at the grid level but also on the roof tops of the residential buildings. The solar PV panels produce direct current (DC) and can be readily used to drive DC powered loads or charge batteries. Direct powering of the loads from the solar panels is hindered by the highly variant nature of solar power generation which depends on a number of external as well as internal factors. The paper proposes a prediction based direct connection between PV p

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21

Satish, B. Ashwath Narayan, and Usha Pasumarthi. "Predictive source management for low power domestic direct current grids." Predictive source management for low power domestic direct current grids 31, no. 3 (2023): 1578–88. https://doi.org/10.11591/ijeecs.v31.i3.pp1578-1588.

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The decrease in the price of solar photo voltaic (PV) panels has led to the widespread adoption of the solar power as a renewable energy source, not only at the grid level but also on the roof tops of the residential buildings. The solar PV panels produce direct current (DC) and can be readily used to drive DC powered loads or charge batteries. Direct powering of the loads from the solar panels is hindered by the highly variant nature of solar power generation which depends on a number of external as well as internal factors. The paper proposes a prediction based direct connection between PV p

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22

Simonin, A., G. Delogu, C. Desgranges, and M. Fumelli. "The drift source: A negative ion source module for direct current multiampere ion beams." Review of Scientific Instruments 70, no. 12 (1999): 4542–44. http://dx.doi.org/10.1063/1.1150109.

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23

Drexlin, G., V. Hannen, S. Mertens, and C. Weinheimer. "Current Direct Neutrino Mass Experiments." Advances in High Energy Physics 2013 (2013): 1–39. http://dx.doi.org/10.1155/2013/293986.

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In this contribution, we review the status and perspectives of direct neutrino mass experiments, which investigate the kinematics ofβ-decays of specific isotopes (3H,187Re,163Ho) to derive model-independent information on the averaged electron (anti)neutrino mass. After discussing the kinematics ofβ-decay and the determination of the neutrino mass, we give a brief overview of past neutrino mass measurements (SN1987a-ToF studies, Mainz and Troitsk experiments for3H, cryobolometers for187Re). We then describe the Karlsruhe Tritium Neutrino (KATRIN) experiment currently under construction at Karl

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24

Weiss, Chester J., David F. Aldridge, Hunter A. Knox, Kimberly A. Schramm, and Lewis C. Bartel. "The direct-current response of electrically conducting fractures excited by a grounded current source." GEOPHYSICS 81, no. 3 (2016): E201—E210. http://dx.doi.org/10.1190/geo2015-0262.1.

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Hydraulic fracture stimulation of low permeability reservoir rocks is an established and cross–cutting technology for enhancing hydrocarbon production in sedimentary formations and increasing heat exchange in crystalline geothermal systems. Whereas the primary measure of success is the ability to keep the newly generated fractures sufficiently open, long–term reservoir management requires a knowledge of the spatial extent, morphology, and distribution of the fractures — knowledge primarily informed by microseismic and ground deformation monitoring. To minimize the uncertainty associated with i

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25

Fu, Qing Qing, and Ai Ping Wu. "The Design of Digital Direct Current Source Based on Nios II." Applied Mechanics and Materials 313-314 (March 2013): 316–19. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.316.

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In this paper, a digital direct current source based on Nios II is studied. The system adopts FPGA as hard core and the main circuit of constant current source consisting of operational amplifier LM358 and power Field Effect Transistor (FET) IRF530. In addition, 12 bit D/A chip MAX531 and 12 bit A/D chip TLC549 are used to monitor the output current. The system outputs current from 20mA to 2000mA with 0.5mA step level, the set current value and actual output current value can be displayed by LCD. Result shows that the system has characteristics of high precision, good stability, small size and

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26

Xu, Ai Hua, Chen Guang Xue, and Jian Jun Xu. "The Brittleness Source Identification of Electric Grid System." Advanced Materials Research 798-799 (September 2013): 353–56. http://dx.doi.org/10.4028/www.scientific.net/amr.798-799.353.

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Brittleness source identification is the work of finding every brittle source. At first, build model of electric power system, based on direct current tide, all branch currents can be solved quickly. Break off every branch in turn. Use distributing factor method to obtain the other branch currents by breaking a branch current. If the other branch current exceeds the 20% rating current, then it breaks. This will lead to the refresh distribution, until all branch breaks, namely the brittleness being motivated, or until the other branch currents all satisfy the restriction condition. Thus all bra

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27

Costa, Marcelo. "Measurement uncertainty improvement on electric current sources calibration using precision shunts." Acta IMEKO 14, no. 2 (2025): 1–5. https://doi.org/10.21014/actaimeko.v14i2.1964.

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This paper presents the improvement in measurement uncertainty in the calibration of electric current sources obtained by replacing the direct measurement method, using a precision digital ammeter, with an indirect method that uses precision shunts and a precision voltmeter. An analysis of the sources of uncertainty that should be considered in this indirect method is also performed. Finally, two examples of indirect calibration of a precision current source using a precision shunt as standard are shown and their results are compared with the results of direct calibrations, highlighting the re

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28

HUA, Yue, Jian SONG, Zeyu HAO, and Chunsheng REN. "Plasma characteristics of direct current enhanced cylindrical inductively coupled plasma source." Plasma Science and Technology 20, no. 6 (2018): 065402. http://dx.doi.org/10.1088/2058-6272/aaac79.

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29

Toader, E. I., V. Covlea, W. G. Graham, and P. G. Steen. "High-density and low electron temperature direct current reflex plasma source." Review of Scientific Instruments 75, no. 2 (2004): 382–86. http://dx.doi.org/10.1063/1.1637459.

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30

Ayad, Ayman, Petros Karamanakos, and Ralph Kennel. "Direct Model Predictive Current Control Strategy of Quasi-Z-Source Inverters." IEEE Transactions on Power Electronics 32, no. 7 (2017): 5786–801. http://dx.doi.org/10.1109/tpel.2016.2610459.

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31

Dai, Hua, Yao Shen, Liuhe Li, Xiaoling Li, Xun Cai, and Paul K. Chu. "A flexible curvilinear electromagnetic filter for direct current cathodic arc source." Review of Scientific Instruments 78, no. 9 (2007): 095103. http://dx.doi.org/10.1063/1.2785846.

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32

Kazerani, M. "A direct AC/AC converter based on current-source converter modules." IEEE Transactions on Power Electronics 18, no. 5 (2003): 1168–75. http://dx.doi.org/10.1109/tpel.2003.816184.

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33

Kozak, Maciej. "Selected issues of control voltage source inverter with self-excited synchronous generator as DC grid voltage source." ITM Web of Conferences 19 (2018): 01005. http://dx.doi.org/10.1051/itmconf/20181901005.

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Synchronous self-excited generators are the most popular AC voltage sources installed in power plants of seagoing vessels. Because of fuel savings varying revolutions Diesel drives can be found on selected types of ships (platform support vessels, cable layers, tug boats etc.). Very interesting issue is use of such type of alternator working with inverter acting as rectifier in direct current grid system. In direct current type of electrical grid the problems with synchronization and reactive power balance are absent. As the control method most suitable to use is modified version of field orie

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34

Mulolani, Francis, Matthew Armstrong, Mohammed A. Elgendy, and Ahmed Althobaiti. "Positive-sequence virtual-flux control of grid-connected converter during unsymmetrical voltage dips." Indonesian Journal of Electrical Engineering and Computer Science 28, no. 2 (2022): 700–709. https://doi.org/10.11591/ijeecs.v28.i2.pp700-709.

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One of the major problems in direct power-controlled grid-connected voltage source converters is that during voltage dips, the converter current increases to compensate for the reduced grid voltage. The most common voltage dips are unsymmetrical, and they cause unbalance and distortion in the converter current. This paper introduces a new, simple but effective algorithm which limits the current in a direct power-controlled gridconnected voltage source converter during voltage dips. A positive-sequence virtual-flux based control scheme is employed and this makes the current balanced and sinusoi

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35

Talebzadeh, Sarah, and Omid Beik. "Spacecraft Medium Voltage Direct-Current (MVDC) Power and Propulsion System." Electronics 13, no. 10 (2024): 1810. http://dx.doi.org/10.3390/electronics13101810.

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This paper introduces a medium voltage direct-current (MVDC) system for large spacecraft megawatt-scale (MW) power and propulsion systems intended for interplanetary transport, including missions to the Moon and Mars. The proposed MVDC system includes: (i) A nuclear electric propulsion (NEP) that powers a permanent magnet (PM) generator whose output is rectified and connected to the MVDC bus. (ii) A solar photovoltaic (PV) source that is interfaced to the MVDC bus using a unidirectional boost DC-DC converter. (iii) A backup battery energy storage system (BESS) that connects to the MVDC bus usi

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36

Chen, Longlong, Chong Gao, Taosha Jiang, and Sheng Zhang. "A Novel Modulation Strategy for Controllable Current Source Converter." Advances in Engineering Technology Research 6, no. 1 (2023): 701. http://dx.doi.org/10.56028/aetr.6.1.701.2023.

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Controllable current source converter (CSC) technology is an effective solution in addressing commutation failure issues. Modulation strategy is the fundamental approach for controlling the valve arm of the converter. Higher switching frequencies result in lower AC harmonics but increased losses in the commutation valve. Lower switching frequencies lead to reduced losses but higher harmonics. The major challenge in engineering currently lies in eliminating the direct conduction state of the valve arms in the current source converter and effectively suppressing harmonics. This paper first analy

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37

Heagy, Lindsey J., and Douglas W. Oldenburg. "Direct current resistivity with steel-cased wells." Geophysical Journal International 219, no. 1 (2019): 1–26. http://dx.doi.org/10.1093/gji/ggz281.

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SUMMARY The work in this paper is motivated by the increasing use of electrical and electromagnetic methods in geoscience problems where steel-cased wells are present. Applications of interest include monitoring carbon capture and storage and hydraulic fracturing operations. Also of interest is detecting flaws or breaks in degrading steel-casings—such wells pose serious environmental hazards. The general principles of electrical methods with steel-cased wells are understood and several authors have demonstrated that the presence of steel-cased wells can be beneficial for detecting signal due t

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38

Kim, Wooho, Yong-Jung Kim, and Hyosung Kim. "Arc Voltage and Current Characteristics in Low-Voltage Direct Current." Energies 11, no. 10 (2018): 2511. http://dx.doi.org/10.3390/en11102511.

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Recently, Low-Voltage DC (direct current) distribution systems have received high lights according to the expansion of DC generations and DC loads such as photovoltaics (PV) generations, electric vehicles (EVs), light emitting diodes (LEDs), computers, DC homes, etc. Low-Voltage DC distribution systems have optimistic perspectives since DC has various good aspects compared to alternating current (AC). However, ensuring safety of human and electric facility in Low-Voltage DC is not easy because of arc generation and difficulty of arc-extinguishing. This paper constructs a low-voltage DC circuit

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39

Zheng, Xiaodong, Nengling Tai, James Thorp, and Zhongyu Wu. "Harmonic current protection scheme for voltage source converter-based high-voltage direct current transmission system." IET Generation, Transmission & Distribution 8, no. 9 (2014): 1509–15. http://dx.doi.org/10.1049/iet-gtd.2013.0377.

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40

Ezhilvannan, Parimalasundar, and Suresh Krishnan. "An Efficient Asymmetric Direct Current (DC) Source Configured Switched Capacitor Multi-level Inverter." Journal Européen des Systèmes Automatisés 53, no. 6 (2020): 853–59. http://dx.doi.org/10.18280/jesa.530611.

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This paper is dealing about Switched Capacitor Multi-Level Inverter (SCMLI) circuit which is controlled by triangular multicarrier Sinewave Pulse Width Modulation (SPWM) technique. The proposed SCMLI is powered from asymmetric DC source configuration to obtain multi-level output voltage by applying switching pulse to the main circuit from control circuit for switching operation. Fourteen switches and four capacitors are employing to do the proposed inversion operation in an effective way. Switching capacitors can perform boost operation to enhance voltage from the source level to the required

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41

Rodríguez-Benítez, Oscar Miguel, Juan Antonio Aqui-Tapia, Isaac Ortega-Velázquez, and Gerardo Espinosa-Pérez. "Current Source Topologies for Photovoltaic Applications: An Overview." Electronics 11, no. 18 (2022): 2953. http://dx.doi.org/10.3390/electronics11182953.

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Current source topologies have several advantages compared to conventional voltage systems. Their inherent voltage-boosting function, intrinsic short-circuit protection, no electrolytic capacitor, direct-current control, continuous input current, and high reliability make them exceptional candidates for power generation systems, particularly for photovoltaic applications. This study provides an overview of the current source topologies for multi-stage photovoltaic grid-connected systems by comparing the number of components, performance, power-decoupling techniques, efficiency, and frequency o

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42

Khazaei, Subedi, Nickerson, Martínez-Villaluenga, Frias, and Vandenberg. "Seed Protein of Lentils: Current Status, Progress, and Food Applications." Foods 8, no. 9 (2019): 391. http://dx.doi.org/10.3390/foods8090391.

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Grain legumes are widely recognized as staple sources of dietary protein worldwide. Lentil seeds are an excellent source of plant-based proteins and represent a viable alternative to animal and soybean proteins for food processing formulations. Lentil proteins provide not only dietary amino acids but are also a source of bioactive peptides that provide health benefits. This review focuses on the current knowledge of seed protein, extraction and isolation methods, bioactive peptides, and food applications of lentil protein. Lentil is the most rapidly expanding crop for direct human consumption,

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43

Effendi and Makandibengkel. "Studi Analisis Perbandingan Pwm Carrier Untuk Multilevel Inverter Tiga Fasa Lima Belas Level Dengan Sumber Input Simetris Terpisah." Jurnal JEETech 3, no. 1 (2022): 10–18. http://dx.doi.org/10.48056/jeetech.v3i1.185.

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Inverters are used to convert direct current or DC (Direct Current) sources into alternating current sources or AC (Alternating Current). A method is needed to make the output waveform close to a sinusoidal waveform. The Multi Level Inverter (MLI) method has a large number of levels and is closer to a sinusoidal wave. The three-phase MLI design with a separate symmetrical input source in this study is able to produce a three-phase output wave, where the resulting Total Harmonic Distortion (THD) value is smaller, namely 5.65% when using the Modified PWM method where the carrier signal has no fr

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44

Dekka, Apparao, Ahoora Bahrami, and Mehdi Narimani. "Direct Predictive Current Control of a New Five-Level Voltage Source Inverter." IEEE Transactions on Industry Applications 57, no. 3 (2021): 2941–53. http://dx.doi.org/10.1109/tia.2021.3065320.

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45

Young, P., and P. Darwin. "The conductivity of ERCP guide wires during direct contact with current source." Endoscopy 40, S 02 (2008): E36—E37. http://dx.doi.org/10.1055/s-2007-966830.

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46

Belchenko, Yu, A. Sanin, I. Gusev, et al. "Direct current H[sup −] source for boron neutron capture therapy tandem accelerator." Review of Scientific Instruments 79, no. 2 (2008): 02A521. http://dx.doi.org/10.1063/1.2816787.

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47

Goliber, Philip A., Martha S. Hendrick, and R. G. Michel. "Direct current plasma as a radiation source for flame atomic fluorescence spectrometry." Analytical Chemistry 57, no. 13 (1985): 2520–26. http://dx.doi.org/10.1021/ac00290a020.

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48

Petrov, G. M., Ts Petrova, A. Ogoyski, and A. B. Blagoev. "Cd–Ne direct current glow discharge: An efficient source of ultraviolet radiation." Applied Physics Letters 77, no. 1 (2000): 40–42. http://dx.doi.org/10.1063/1.126870.

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49

Levy, C. D. P., L. Buchmann, K. Jayamanna, et al. "A direct current polarized H− ion source based on optically pumped rubidium." Review of Scientific Instruments 63, no. 4 (1992): 2625–27. http://dx.doi.org/10.1063/1.1142859.

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50

Kuo, T., D. Yuan, K. Jayamanna, et al. "On the development of a 15 mA direct current H− multicusp source." Review of Scientific Instruments 67, no. 3 (1996): 1314–16. http://dx.doi.org/10.1063/1.1146704.

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