Results 11 to 20 of about 30,911 (308)

Detection acoustic signals of partial discharges on defects in high voltage insulation [PDF]

open access: yesОмский научный вестник, 2021
The article is devoted to the method of acoustic registration of partial discharges in high-voltage insulators. Physical processes of generation of various types of partial discharges in high-voltage insulators are considered.
D. A. Ivanov   +5 more
doaj   +1 more source

Study of electrophysical processes and aging of the material of highvoltage insulators to determine their working life

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2022
The article is aimed to discuss the results of research on the characteristics of partial discharges on defects of different types in high-voltage insulators - on dielectric rod and contact «terminal rod».
D. A. Ivanov
doaj   +1 more source

PIFA antenna for partial discharge detection in power transformers [PDF]

open access: yesMetrology and Measurement Systems, 2021
The article presents the process of designing and manufacturing a prototype antenna based on the PIFA (Planar Inverted F Antenna) technology for the detection of UHF signals from partial discharges occurring in the power transformer insulation system ...
Cyprian Szymczak
doaj   +1 more source

DIAGNOSTICS OF OIL-FILLED EQUIPMENT BY MEANS OF REGISTRATION OF PARTIAL DISCHARGES

open access: yesСовременная наука и инновации, 2023
One of the main tasks of diagnostics of oil-filled equipment is to measure the characteristics of partial discharges in isolation. In the subsequent planning of repairs, assessment of the degree of danger and maintainability of the defect, it becomes ...
G. Y. Kolesnikov
doaj   +1 more source

Online partial discharges localization system

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2013
In this paper the design and construction of an online non-invasive noninvasive partial discharges (PD) localization system is presented; it is integrated by four equal discone antennas with a wideband of 30 MHz to 1.2 GHz and a central frequency of 615
Primo Alberto Calva Chavarria   +2 more
doaj   +3 more sources

Improvement of the technical excellence of multiparameter relay protection by combining the signals of the measuring fault detectors using artificial intelligence methods [PDF]

open access: yesE3S Web of Conferences, 2019
The features of the dielectric rod defects and the rod-electrod defects of polymer insulators were investigated by using the developed complex method of contactless remote diagnostics of high-voltage insulators health, which includes the initial ...
Kulikov A. L.   +2 more
doaj   +1 more source

Comparative analysis of options for project financing of energy development based on renewable sources [PDF]

open access: yesE3S Web of Conferences, 2019
The features of the dielectric rod defects and the rod-electrod defects of polymer insulators were investigated by using the developed complex method of contactless remote diagnostics of high-voltage insulators health, which includes the initial ...
Luskatova O. V.   +2 more
doaj   +1 more source

Antenna Parametrization for the Detection of Partial Discharges [PDF]

open access: yesIEEE Transactions on Instrumentation and Measurement, 2013
Partial discharge (PD) detection is a widely extended technique for electrical insulation diagnosis. Ultrahigh-frequency detection techniques appear as a feasible alternative to traditional methods owing to their inherent advantages such as the capability to detect PDs online and to locate the piece of equipment with insulation problems in substations ...
Guillermo Robles   +5 more
openaire   +2 more sources

Effect of partial discharges on the operating condition of high-voltage insulators [PDF]

open access: yesE3S Web of Conferences, 2019
The features of the dielectric rod defects and the rod-electrod defects of polymer insulators were investigated by using the developed complex method of contactless remote diagnostics of high-voltage insulators health, which includes the initial ...
Golenishchev-Kutuzov A. V.   +5 more
doaj   +1 more source

Analysis of partial discharges in supporting insulators [PDF]

open access: yesОмский научный вестник, 2020
The diagnostics of overhead power lines is an important issue in the modern electric power industry. Sometimes supporting insulators are destroyed by external factors.
D. A. Polyakov   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy