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Articoli di riviste sul tema "Electric lines"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

ARRIBAS, E., C. GALLARDO, M. MOLINA, and V. SANJOSÉ. "Electric Field Lines." International Journal of Modern Physics C 02, no. 01 (1991): 216–19. http://dx.doi.org/10.1142/s0129183191000196.

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We present the computer program called LINES which is able to calculate and visualize the electric field lines due to seven different discrete configurations of electric point charges. Also we show two examples of the graphic screens generated by LINES.

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2

MAMADA, Yasuhiro, Seiji HAYANO, Yoshifuru SAITO, and Kiyoshi HORII. "Electric Power lines Visualization." Journal of the Visualization Society of Japan 25, Supplement1 (2005): 173–76. http://dx.doi.org/10.3154/jvs.25.supplement1_173.

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3

Jiang, Yu Ze, Zhen Guang Liang, Wei Jie Ma, and Hong Chuan Wang. "Effect of Shielding Lines on Power Frequency Electric Field under Overhead Lines." Advanced Materials Research 732-733 (August 2013): 999–1004. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.999.

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This paper discusses effect of shielding lines on reduction of electric field produced by overhead lines. Charge simulation method is used. Influences of height, space and number of shielding lines on electric field are calculated. Space between shielding lines has reverse roles on influencing area and maximal electric field. Number and space of shielding lines should be carefully selected to shielding a certain area. Analytical method is also used to express induced electric field by shielding lines. Result of comparison with charge simulation method shows that it is suitable for area outside

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4

Robinson, P. B. "Communicating over electric distribution lines." IEEE Potentials 9, no. 3 (1990): 36–39. http://dx.doi.org/10.1109/45.101399.

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5

Wang, Ziyu, Nana Duan, Junyu Chen, Xikun Zhou, Mengxue Lu, and Shichen Zhao. "Effect of Tree Quantity and Distribution on the Electric Field under Transmission Lines." Applied Sciences 14, no. 18 (2024): 8487. http://dx.doi.org/10.3390/app14188487.

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The electric field of transmission lines has serious negative impacts on residents’ production and life with the expansion of high voltage engineering. In order to study the influence of trees on the electric field of ultra-high voltage transmission lines, this paper conducted three-dimensional simulation calculations of the power frequency electric field of transmission lines based on the tree quantity and distribution. Firstly, in order to study the pattern of electric field strength distribution in transmission lines, the electric field strengths of transmission lines of different voltage l

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6

Lacombe, Rémi, Sébastien Gros, Nikolce Murgovski, and Balázs Kulcsár. "Hierarchical Control of Electric Bus Lines." IFAC-PapersOnLine 53, no. 2 (2020): 14179–84. http://dx.doi.org/10.1016/j.ifacol.2020.12.1040.

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7

Colwell, Peter F., and Jim L. Sanders. "Electric Transmission Lines and Farmland Value." Journal of Real Estate Research 39, no. 3 (2017): 373–400. http://dx.doi.org/10.1080/10835547.2017.12091478.

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8

Sugar, Jack, Joseph Reader, and William L. Rowan. "Electric-quadrupole lines of Mo xvi." Physical Review A 51, no. 1 (1995): 835–37. http://dx.doi.org/10.1103/physreva.51.835.

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9

Kirkup, L. "Computer simulation of electric field lines." Physics Education 20, no. 3 (1985): 142–45. http://dx.doi.org/10.1088/0031-9120/20/3/314.

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10

Predus, Marius-Florian, Cristian-Mircea Muscai, and Cornel Hatiegan. "Simulation of electric field lines produced by electric point charges." Studia Universitatis Babeș-Bolyai Engineering 67, no. 1 (2022): 209–15. http://dx.doi.org/10.24193/subbeng.2022.1.20.

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The paper proposes o method of solving differential equations using Runge-Kutta method and presents an application made in a Visual programming language that solves two differential equations step by step drawing the graph obtained for two electrically charged particles that interact by their electrical fields

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11

Yang, Yi, Xue-kai Si Ma, Shu-bo Fang, Qing Han, and Zan-dong Zhou. "Analysis of monitoring effect on Hybrid Electric Field for AC/DC Cross Line." Journal of Physics: Conference Series 2378, no. 1 (2022): 012018. http://dx.doi.org/10.1088/1742-6596/2378/1/012018.

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Abstract Electrostatic induction charge which generated by the coupling effect of hybrid electric field of AC/DC cross line and metal object under the transmission line can cause different levels of electric shock injury to human. In order to find out the distribution law of the hybrid electric field and reduce the effect of electrostatic induction, this paper set up shielding lines which paralleled to the AC and DC lines respectively on the outside of the side conductors and along the diagonal of parallelogram at crossing point, then measured the electric field distribution in shielding areas

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12

Lee, Gunbok, Jeong-Yeon Kim, Gildong Kim, and Jae Hee Kim. "Surface-Integrated Electric Field Sensor for the Detection of High-Voltage Power Lines." Sensors 21, no. 24 (2021): 8327. http://dx.doi.org/10.3390/s21248327.

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When a drone is used for inspection of facilities, there are often cases in which high-voltage power lines interfere, resulting in the drone being caught or falling. To prevent this type of incident, drones must be capable of detecting high-voltage power lines. Typically, a strong electric field is formed around the high-voltage lines. To detect the electric fields around high-voltage lines, this study proposes an electric field sensor that may be integrated within the body of a drone. In a laboratory environment, a voltage of 25 kV was applied to an overhead line, and the induced voltage in t

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13

Watkins, Noel. "Raptors and Power Lines." Wildlife Rehabilitation Bulletin 22, no. 2 (2004): 14–16. http://dx.doi.org/10.53607/wrb.v22.231.

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During the last 30 years, bird mortality caused by overhead wires has been an increasing concern of conservationists, environmental management authorities, and electric companies. Electric companies’ concerns stem in part from power outages that can be caused by these incidents. Animals are the third leading cause of power outages across the US and birds cause more outages than any other animal (Harness and Wilson 1998). This issue is important to conservationists because populations of endangered species may be unable to compensate for the deaths caused by utility structures (Bevanger 1998).

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14

Zhou, Kevin, and Tomáš Brauner. "The surprising subtlety of electrostatic field lines." American Journal of Physics 93, no. 3 (2025): 234–40. https://doi.org/10.1119/5.0207201.

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Electric fields are commonly visualized with field line diagrams, which only unambiguously specify the field's direction. We consider two simple questions. First, can one deduce if an electric field is conservative, as required, e.g., in electrostatics, from its field lines alone? Second, are there conservative electric fields with straight field lines, besides the familiar textbook examples with spherical, cylindrical, or planar symmetry? We give a self-contained introduction to the differential geometry required to answer these questions, assuming only vector calculus background.

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15

Ogunboyo, Taiwo. "A Survey of Power Quality Enhancement in Distribution of System of Lines Using Distribution Static Synchronous Compensator." Science View Journal 3, no. 1 (2022): 163–70. http://dx.doi.org/10.55989/babz6904.

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Distribution Static Synchronous Compensator (DSTATCOM) is a power electronics tool joined in parallel to the system of lines to mitigate the power quality disruptions such as electric potential swell, sag, electric potential imbalance, electric potential and current harmonics voltage spike, flicker, electric potential fluctuations related to the secondary system of lines.. DSTATCOM provides electric potential control and adequate mitigation for disturbances related with distribution of system lines in community. DSTATCOM is a3-phase device that produces/ take in the dynamic power which the fin

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16

Liang, Zhen Guang, Yu Ze Jiang, Di Wen Jiang, and Zong Jie Liu. "Calculation of Power Frequency Electric Field under Overhead Lines with Complex Ground." Applied Mechanics and Materials 441 (December 2013): 212–16. http://dx.doi.org/10.4028/www.scientific.net/amm.441.212.

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This paper studied influence of three dimension complex ground on electric field under overhead lines. Surface charge method is discussed and planar triangle surface charge elements are used to represent complex ground. Electric field of overhead lines is analyzed by charge simulation method. Finite straight line charges are used to represent conductors. Then electric field of 220kV double circuit overhead lines over a three dimension small hill is calculated and distribution of electric field 1.5m above the ground is analyzed.

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17

Liu, Bin, Tao Wang, Fei Gu, et al. "Analysis of 50Hz Electric Fields Generated by Multi-Circuit Transmission Lines on the Same Tower." Applied Mechanics and Materials 700 (December 2014): 67–70. http://dx.doi.org/10.4028/www.scientific.net/amm.700.67.

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The finite element method has been applied to calculate the 50Hz electric fields nearby the transmission lines. The electric field strengths nearby multi-circuit transmission lines on the same tower under different arrangement of phase sequence, nearby the cross-arm are calculated. According to the foreign and domestic security standards of 50Hz electric field, the impacts of overhead transmission lines on environment are evaluated and the adoptable measures to reduce electric field strength are proposed. Meanwhile the distributing pattern of the electric field nearby the cross-arm is analyzed

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18

Schluger, J. H., and C. D. Hopkins. "Electric fish approach stationary signal sources by following electric current lines." Journal of Experimental Biology 130, no. 1 (1987): 359–67. http://dx.doi.org/10.1242/jeb.130.1.359.

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African electric fish of a pulse species, Brienomyrus brachyistius (Mormyridae), housed singly in a large, circular arena, were presented with electrical stimuli which mimicked a conspecific intruder. Stimuli were produced with either dipolar or bipolar electrodes in three different geometries. We tracked the unconditioned approach response paths taken by the fish and compared tracks for each of the geometries. The results suggest that B. brachyistius can determine neither the distance nor the direction of an electric dipole from afar, but that they do manage to find the source by maintaining

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19

Zhou, Quan, Li Tu, Rui Bie, Dong Feng, and You Ping Fan. "Multi-State Electric Field Analysis of 1-Tower-Double-Circuit HVDC Transmission Lines Based on Charge Simulation Method." Applied Mechanics and Materials 521 (February 2014): 321–29. http://dx.doi.org/10.4028/www.scientific.net/amm.521.321.

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Currently, there is little experience about design of the 1-tower-double-circuit DC transmission lines. But the electromagnetic field distribution under its lines is complicated. In order to study the nominal electric field distribution of 1-tower-double-circuit DC transmission lines under different situations and a variety of operating conditions, the currents with analytical solutions are used to simulate the discrete or uneven distributed continuous charge. In the works within an acceptable range, the linear equations are built to solve simulation charge according to the electromagnetic the

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20

Le, Le. "Analysis on the Infrared Imaging Diagnosis Technology for the Insulation State, Fault Types, and Components of Coupling Capacitor." Applied Mechanics and Materials 416-417 (September 2013): 1064–67. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.1064.

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Along with the continuous development of Chinese economy, the power consumption continues to rise in China, and many high-voltage electric transmission lines are constantly put in construction. Among them, coupling capacitor is a major coupling device in the carrier communication of the power frequency high-voltage lines, and also a device that has been widely used for measuring and extracting electric energy, and controlling high-frequency protection in the electric power system. However, there are many problems in the application of coupling capacitor to high-voltage electric transmission li

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21

Jiang, Yu Ze, Zhen Guang Liang, Can Li, and Bin Xiang Du. "Effect of Phase Sequence Layout on Electric Field under Overhead Lines." Advanced Materials Research 960-961 (June 2014): 921–24. http://dx.doi.org/10.4028/www.scientific.net/amr.960-961.921.

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This paper discusses effect of phase sequence layout on electric field under overhead lines. Charge simulation method is used. Examples of two circuit overhead lines and four circuit overhead lines show that phase arrangment of lowest height conductors has major influence and phase arrangment of middle height conductors has lesser influence on electric field under overhead lines. Interlacing placed lowest height conductors with different phase and phase arrangement of middle height conductors different from that of lowest height conductors help to reduce electric field.

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22

Liao, Wei, Qing Yang, Kun Ke, Zhenhui Qiu, Yuqing Lei, and Fei Jiao. "Non-Intrusive Voltage-Inversion Measurement Method for Overhead Transmission Lines Based on Near-End Electric-Field Integration." Energies 16, no. 8 (2023): 3415. http://dx.doi.org/10.3390/en16083415.

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Existing electric-field integral inversion methods have limited field application conditions, and they are difficult to arrange electric-field measurement points on high-span overhead lines. This paper proposes a non-intrusive voltage measurement method for overhead transmission lines based on the near-end electric-field integration method. First, the electric-field distribution under 10 kV lines is calculated by finite element simulation software. The electric-field distribution of the plumb line and the discrete integral node below the wire are analyzed. Then, based on traditional electric-f

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23

Voelcker, John. "Spectral lines: An Almost All-Electric Car?" IEEE Spectrum 45, no. 4 (2008): 9. http://dx.doi.org/10.1109/mspec.2008.4476427.

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24

Garg, Rachana, Priya Mahajan, and Parmod Kumar. "Digital Model of Railway Electric Traction Lines." Journal of The Institution of Engineers (India): Series B 98, no. 4 (2016): 377–84. http://dx.doi.org/10.1007/s40031-016-0256-2.

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25

Furby, Lita, Paul Slovic, Baruch Fischhoff, and Robin Gregory. "Public perceptions of electric power transmission lines." Journal of Environmental Psychology 8, no. 1 (1988): 19–43. http://dx.doi.org/10.1016/s0272-4944(88)80021-5.

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26

Gould, P. L. "Special issue design of electric transmission lines." Engineering Structures 15, no. 4 (1993): 227. http://dx.doi.org/10.1016/0141-0296(93)90024-x.

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27

Göttlich, Simone, Michael Herty, and Peter Schillen. "Electric transmission lines: Control and numerical discretization." Optimal Control Applications and Methods 37, no. 5 (2015): 980–95. http://dx.doi.org/10.1002/oca.2219.

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28

Lemke, Alexander. "Top Coat Lines Adapted to Electric Mobility." IST International Surface Technology 18, no. 2 (2025): 19–21. https://doi.org/10.1007/s35724-025-1654-2.

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29

Yutsis, Vsevolod, Yuriy Rapoport, Volodymyr Grimalsky, et al. "ULF Activity in the Earth Environment: Penetration of Electric Field from the Near-Ground Source to the Ionosphere under Different Configurations of the Geomagnetic Field." Atmosphere 12, no. 7 (2021): 801. http://dx.doi.org/10.3390/atmos12070801.

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The problem with the penetration of electric fields from atmospheric near-Earth electric current sources to the ionosphere is investigated both within the dynamic simulations of the Maxwell equations in the frequency domain and within the simplified quasi-electrostatic approach. Two cases of the geomagnetic field lines are considered. The first case is the penetration of the geomagnetic field lines deeply into the magnetosphere (open field lines), whereas the second one is the return of these lines into the Earth’s surface (closed field lines). The proper boundary conditions are formulated. It

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30

Hu, Jian Xun, Gong Da Zhang, Hong Yu Zhang, and Xiao Qin Zhang. "Electric Field Analysis of 220 kV Composite Material Tower Lines." Advanced Materials Research 516-517 (May 2012): 1517–20. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1517.

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Using the finite element analysis, this work analyzed the electric field distribution of 220kV transmission steel tower with double-circuit and composite material transmission tower with the same size, and compared the electric field effect of two materials transmission tower for surroundings. And this work compared the vertical and axial electric field distribution along transmission line of the two materials transmission tower. The results indicate the composite material tower can improve the environment of electric field near the transmission lines.

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31

Zhao, L. B., and F. L. Liu. "Balmer-series spectral lines for hydrogen atoms in parallel magnetic and electric fields of white dwarfs." Monthly Notices of the Royal Astronomical Society 507, no. 2 (2021): 2283–99. http://dx.doi.org/10.1093/mnras/stab2254.

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ABSTRACT We extended the two-dimensional B-spline approach recently developed to investigate the influence of a strong electric field on atomic structures and spectra for hydrogen atoms in magnetic fields of white dwarfs. Spectral lines for hydrogen in parallel magnetic and electric fields have been calculated. Wavelengths and oscillator strengths are presented for 14 Balmer α transitions as a function of magnetic and electric fields. The magnetic and electric field strengths involved span a scope, respectively, from around 23.5 to 2350 MG, and from 0 to 108 V/m. Our calculations show that the

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32

Hoholyuk, Oksana. "Adaptation of discrete macromodels of electric transmission lines to modern computer tools." Computational Problems of Electrical Engineering 7, no. 2 (2017): 83–86. https://doi.org/10.23939/jcpee2017.02.083.

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The paper discusses the methods of creation of mathematical models of electric transmission lines. It is proposed to develop them on the basis of computer simulation data or data obtained by natural experiment using the "black box" approach in the form of state variables. The derived system of discrete equations in the form of state variables equivalent to the system of ordinary differential equations has been adapted to the MATLAB / Simulink software environment by creating the mathematical model using S-Function Block. The simulation results obtained with the use of proposed discrete macromo

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33

Xing, Jinyuan, Chenze Han, Jun Tian, Hao Wu, and Tiebing Lu. "Influence of Ion Flow Field on the Design of Hybrid HVAC and HVDC Transmission Lines with Different Configurations." Energies 18, no. 14 (2025): 3657. https://doi.org/10.3390/en18143657.

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Due to the coupling of DC and AC components, the ion flow field of HVDC and HVAC transmission lines in the same corridor or even the same tower is complex and time-dependent. In order to effectively analyze the ground-level electric field of hybrid transmission lines, the Krylov subspace methods with pre-conditioning treatment are used to solve the discretization equations. By optimizing the coefficient matrix, the calculation efficiency of the iterative process of the electric field in the time domain is greatly increased. Based on the limit of electric field, radio interference and audible n

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34

Antsiferov, N. S. "Ways to Reduce Power Losses in Mining Power Supply Lines." Mining science and technology 4, no. 2 (2019): 150–56. http://dx.doi.org/10.17073/2500-0632-2019-2-150-156.

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Electric energy is the most common and universal form of energy. It can be produced in large quantities near energy sources, transmitted to large distances, easily distributed between consumers and converted into mechanical, thermal, and light energy. Ensuring reliable and economical quality electric energy supply to mining enterprises with the optimal use of energy resources is one of the most important tasks facing the country's energy sector. In the Russian Federation, high degree of concentration of generating capacities at power plants has been achieved. The main capacities are concentrat

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Zhuang, Xiao Yun, Yong Ming Li, and Jun Ma. "Investigation on the Electromagnetic Interference of Four-Circuit Transmission Lines." Advanced Materials Research 507 (April 2012): 106–11. http://dx.doi.org/10.4028/www.scientific.net/amr.507.106.

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In the paper the calculation of electric field and magnetic field considering the influence caused by the sag is investigated. The method to analyze the influence caused by the transmission lines sag is presented firstly. A 110 four-circuit transmission lines in Chongqing was taken as an example, the electric field and magnetic field in 2D space and 3D space were calculated respective, and comparison was conducted. Result indicate that the electric and magnetic fields obtained in 2D space has an error of 11.2% for electric field, and 7.1% for magnetic field.

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36

Jiang, Yu Ze, Zhen Guang Liang, and Di Wen Jiang. "Calculation of Electric Field under Overhead Lines with Complex Ground by Two Dimension Surface Charge Method." Advanced Materials Research 1070-1072 (December 2014): 1563–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.1563.

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In the paper, influence of complex ground on electric field under overhead lines is studied. Two dimension surface charge method is used and complex ground is modeled with surface charges. Analytical expressions of electric potential and electric field strength produced by surface charge element are deduced. Effectiveness of the method is shown by an example with analytical result. Curve ground and sloping ground are used respectively in calculation of electric field under overhead lines. Results show influence of variation of ground height on distribution of electric field.

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Cui, Xiang. "The visualization of electric force lines in two‐dimensional electric field computation." Engineering Computations 17, no. 2 (2000): 166–74. http://dx.doi.org/10.1108/02644400010313110.

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Cao, Xia. "Electra-electric induction for power generation by cutting through electric field lines." Nano Energy 112 (July 2023): 108519. http://dx.doi.org/10.1016/j.nanoen.2023.108519.

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Babatunde, S. Emmanuel. "Design and Analysis of High Voltage Insulator for Transmission Lines." Journal of Scientific and Engineering Research 10, no. 2 (2023): 32–38. https://doi.org/10.5281/zenodo.10453346.

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<strong>Abstract </strong>Reliable high voltage insulators are required for efficient power transmission. This requirement necessitates careful design of insulators that can support high electric field.  High values of electric field are often responsible for audible noise, electromagnetic pollution, partial discharges and premature aging and degradation of insulator system. Unevenly distributed, electric field is strongest at the sheds nearest to the endpoints of insulators. Hence, under overvoltage condition, a phenomenon known as flashover occurs at these points. To address this proble

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Tarko, Rafał, Konrad Kochanowicz, Wiesław Nowak, Waldemar Szpyra, and Tadeusz Wszołek. "Reduction of the Environmental Impact of Electric Field Generated by High Voltage Power Transmission Lines." Energies 14, no. 19 (2021): 6388. http://dx.doi.org/10.3390/en14196388.

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The growing interest in the negative environmental impact of overhead power lines of high and extra-high voltage stems from the increasing ecological awareness of societies. Consequently, a number of respective legal restrictions have been issued and actions have been undertaken to reduce this impact, especially in the electric field of the power frequency. The aim of this paper is to analyze the possibilities of reducing the width of electric field influence zones by changing the design parameters of power lines and defining the spatial distribution of its conductors. This analysis was carrie

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Vu, Tu Phan. "Calculation of electric field of HVDC transmission lines using finite element method." Science and Technology Development Journal 16, no. 4 (2013): 43–52. http://dx.doi.org/10.32508/stdj.v16i4.1583.

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The HVDC transmission lines have been building in many modern countries in all over the world, and it will be an important problem of Viet Nam power transmission. The important phenomena of operation of HVDC transmission lines is corona discharge around HVDC transmission lines that is a cause to increase significantly the electric field strength over ground surface and around lines. This paper presents the investigation and calculation of the electric field strength of many models of HVDC transmission lines such as monopolar, bipolar, single- and double-circuit using the finite element method

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Liashenko, Oleksii, Nikolaj Starodubcev, Hennadii Makarenko, and Aleksandr Pashchenko. "Control of electromechanical systems of conveyor lines." INNOVATIVE TECHNOLOGIES AND SCIENTIFIC SOLUTIONS FOR INDUSTRIES, no. 4(30) (December 11, 2024): 85–96. https://doi.org/10.30837/2522-9818.2024.4.085.

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The subject of research is a method of controlling the speed of an asynchronous motor, connected according to the scheme of an asynchronous-valve stage, which increases the power factor of the drive and positively affects the power system as a whole. The purpose of the work is to develop and study methods of controlling electromechanical systems based on an asynchronous electric drive, which provide highly efficient operation of conveyor lines implemented on their basis as elements of complex technological equipment of an automated process control system. The article solves the following probl

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Zimin, Kirill, Nina Rubtsova, and Andrey Tokarskskiy. "Currents and Voltages Induced by Electric Field in Two Converging Single-wire Overhead Transmission Lines." E3S Web of Conferences 139 (2019): 01044. http://dx.doi.org/10.1051/e3sconf/201913901044.

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The calculations of induced by electric field voltage and current for i line grounded and ungrounded ends depending on p - line convergence part length, а0 minimal distance between convergence lines, and Θ - the angle of lines convergence. Limit values of р, а0 and Θ are determined, one of which disturbance allows to neglect the electric effect of converging transmission lines.

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Kaustubh, A. Vyas, and J. G. Jamnani Dr. "Analytical Design Optimization of 765 kV Transmission Line Based on Electric and Magnetic Fields for Different Line Configurations." European Journal of Advances in Engineering and Technology 5, no. 2 (2018): 91–98. https://doi.org/10.5281/zenodo.10702242.

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<strong>ABSTRACT </strong> EHV and UHV AC transmission lines that transmit power through overhead mode require piece of land identified as right-of-ways. These are approximated in relation to the operating effects of the energized line, major focus being given to electric field effects, magnetic field strength and physical clearances. A need exists to determine the distribution of these fields in transmission pathways. Accurate computation of the maximum value of the electric field stress at ground surface is of utmost importance from the view point of human safety. In the present research wor

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Kulkarni, G. A., and W. Z. Gandhare. "Prediction of Electromagnetic Fields around High Voltage Transmission Lines." Acta Technica Jaurinensis 10, no. 1 (2017): 50. http://dx.doi.org/10.14513/actatechjaur.v10.n1.414.

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Abstract (sommario):

The electric and magnetic fields are present around the High Voltage Transmisssion Lines (HVTL) and reported to affect health of the workers working on these hotlines. The key parameter reportedly responsible for detrimental health effects, are internal induced fields in body. Induction of internal fields in different organs is heavily dependent on the external fields. Prediction of hazardous levels of external fields before measurement or in situations difficult for direct measurement will lead to identify the restrictive situations and working conditions for hotline workers. This work propos

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46

Zhou, Nianrong, Jian Li, Wenbin Zhang, Jiawen Zhao, and Jingjing Zhao. "Research on UAV Safety Distance Warning Technology Based on Electric Field Ring Rate of Change." Electronics 11, no. 21 (2022): 3439. http://dx.doi.org/10.3390/electronics11213439.

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Abstract (sommario):

With the increasing scale of transmission lines, drone inspection has become a major method of transmission line inspection. In the process of UAV inspection, the safety distance warning of UAV and transmission lines is crucial, and the existing UAV safety distance warning methods have difficulties, such as high cost, low environmental adaptability, and data processing. In this paper, we propose a safety distance warning method based on the rate of change of electric field ring ratio, which can be applied to the inspection process of transmission lines of different voltage levels. In order to

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47

Zhuang, Wenbing, Xiaojun Zhang, Wei Liu, and Zeyang Lei. "A bird droppings flashover analysis method based on the combination of electric field distortion and spatial electric field distribution." Journal of Physics: Conference Series 2771, no. 1 (2024): 012030. http://dx.doi.org/10.1088/1742-6596/2771/1/012030.

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Abstract (sommario):

Abstract To study the flashover of air gap caused by bird droppings shorting air gap and the influence of space electric field change on it, the distortion electric field simulation, space electric field simulation, and related flashover test of transmission line bird droppings falling process were carried out. By analyzing the specific influencing factors of bird droppings flashover fault, it is pointed out that the electric field distortion caused by bird droppings will affect the spatial electric field distribution around the insulator and thus affect the air gap flashover. This study analy

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48

Chen, Wenwen, Yanfei Wang, Yuchen Huang, Yongjin Chen, Shun Luo, and Meiling Deng. "The impact of massive EV charging on distribution lines." Journal of Physics: Conference Series 2703, no. 1 (2024): 012065. http://dx.doi.org/10.1088/1742-6596/2703/1/012065.

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Abstract The large-scale charging of electric vehicles at the same time is bound to have a large impact on the distribution network and then reduce the stability of the grid, especially during peak hours when it is easy to overload the lines. In this paper, we combine battery capacity and charging power data of electric vehicles and user usage habits to model the charging load changes of electric vehicles at different scales. The impact of charging by EV owners on network load was also analyzed through case studies. Our results have a certain practical significance for the planning of power gr

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49

Oh, Geon, Yunhui Jo, Yongha Gi, et al. "Potential prognostic factor in alternating electric fields therapy based on absorbed energy in tissue." AIP Advances 12, no. 9 (2022): 095311. http://dx.doi.org/10.1063/5.0100820.

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Abstract (sommario):

The present study aimed to determine a method for estimating a potential prognostic factor in alternating electric fields for the treatment of solid tumors based on cell survival curves that evaluate cell proliferation capability. In AGS, B16F10, U373, and HPAF-II cancer cell lines, the proportional relationships of the electric field magnitude and the duration of application with the proliferation of cancer cell lines was identified by in vitro alternating current electric field experiments performed under various conditions. A prognostic factor applicable to alternating electric field therap

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50

Mammadov, A. F., and A. Matsyura. "Bird collisions with power lines in Nakhchivan Autonomous Republic." Ukrainian Journal of Ecology 10, no. 1 (2020): 180–85. http://dx.doi.org/10.15421/2020_29.

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Abstract (sommario):

The article summarizes the results of research in four selected sites (observations) on the impact of surface power lines on bird death in the area of Nakhchivan Autonomous Republic in 2016-2017. Studies show that electrical wires have a major impact on bird death during the spring migration and nesting period. We determined that 225 individual of 27 species were killed by electric shock in selected areas, while 16 individuals belonging to 3 predator bird species were exposed to this threat. Two of these species are in the World Red List. The next plot with high mortality rate was the Cananbar

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