Results 11 to 20 of about 420,754 (299)

Surface-Integrated Electric Field Sensor for the Detection of High-Voltage Power Lines

open access: yesSensors, 2021
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
Gunbok Lee   +3 more
doaj   +1 more source

Research of the national primary standard of Ukraine of unit of the scaling factor of AC voltage UP to 750/√3 KV

open access: yesMeasurement: Sensors, 2021
The paper presents the results of the research of the National Primary Standard of Ukraine of unit of scaling factor of voltage of alternating current to 750/√3 kV.
Yurii Anokhin   +2 more
doaj   +3 more sources

DEVELOPMENT OF ELECTRIC CHARGE GENERATOR BY APPLIED PULSE HIGH INTENSITY ELECTRIC FIELD [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2019
This research was presented the development of electric charge generator by applied pulse high intensity electric field. The power supply based on fly back converter comprises of a pulse generator using IC#MB3579 on the output high voltage adjustment by ...
Siseerot KETKAEW
doaj   +1 more source

Electric and magnetic field measurements in a high voltage center [PDF]

open access: yes2011 10th International Conference on Environment and Electrical Engineering, 2011
This paper investigates the electric and magnetic fields inside a large high voltage center constituted both of 400/150 and 150/20 kV substation areas. Results of previous field measurements and calculations in substations, made by the authors of this paper or other researchers, are presented first.
Anastasia S, Safigianni   +2 more
openaire   +3 more sources

Performance test of compact tubular high-voltage electric field coalescers

open access: yesYou-qi chuyun, 2021
In order to explore the actual change in the particle size distribution of the dispersed phase water droplets of the water-in-oil emulsion in the electric field demulsification process, and obtain the optimal electric field parameters according to the ...
Jian-yu DONG   +5 more
doaj   +1 more source

Development of a Wideband Precision Electric Field Measuring Sensor

open access: yesSensors, 2023
High-voltage electric field measurement technology has certain applications in electric field measurement of power systems, but due to the limitation of its measurement accuracy and bandwidth, it cannot be used for the measurement of lightning-impulse ...
Zhaozhi Long   +6 more
doaj   +1 more source

Transient electric field of the combined insulation structure under positive periodic square waveform voltage: Analytical analysis and application

open access: yesHigh Voltage, 2022
The working voltage of the high‐voltage high‐power electronic devices is the positive periodic square waveform (PPSW) voltage, which is much different from the conventional AC or DC voltage.
Teng Wen   +4 more
doaj   +1 more source

Non-Intrusive Voltage-Inversion Measurement Method for Overhead Transmission Lines Based on Near-End Electric-Field Integration

open access: yesEnergies, 2023
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.
Wei Liao   +5 more
doaj   +1 more source

Electric field induced degradation of high-voltage PTCR ceramics

open access: yesOpen Ceramics, 2022
This study investigates the degradation of the PTCR material BaTiO3 in high DC voltage, as it is important for the application as heater in electric cars. Impedance spectroscopy was used to gain information on the degradation.
Julian N. Ebert, Wolfgang Rheinheimer
doaj   +1 more source

Electric and Magnetic Fields of the High Voltage Autotransformer

open access: yesElektronika ir Elektrotechnika, 2010
High voltage power autotransformer is one of the strongest sources of the electric and magnetic fields in the electrical power systems. The autotransformer with surroundings was modelled using finite element method for evaluate magnetic and electric fields distribution around it.
R. Deltuva, J. A. Virbalis, S. Gečys
openaire   +3 more sources

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