Results 31 to 40 of about 150,861 (308)

Inductively coupled probe for the measurement of partial discharges [PDF]

open access: yes, 2008
Partial discharges are a transient phenomena whose measurement is remarkably important for electrical equipment diagnosis and maintenance. These discharges appear in the measurement circuit as very narrow current pulses of some nanoseconds.
Martínez Tarifa, Juan Manuel   +3 more
core   +2 more sources

Development of an integrated low-power RF partial discharge detector [PDF]

open access: yes, 2009
This paper presents the results from integrating a low-power partial discharge detector with a wireless sensor node designed for operating as part of an IEEE 802.15.4 sensor network, and applying an on-line classifier capable of classifying partial ...
Baker, P.C.   +3 more
core   +1 more source

Partial discharge in liquid nitrogen

open access: yesElectrical Engineering in Japan, 1976
Results are presented of experiments on partial discharge in liquid nitrogen, including insulation breakdown characteristics of liquid nitrogen, partial discharge characteristics of composite insulation systems, lifetime of polymer films, impulse breakdown of polymer films in liquid nitrogen, etc.
Masamitsu Kosaki   +3 more
openaire   +2 more sources

Partial Discharge Monitoring in Power Transformers Using Low-Cost Piezoelectric Sensors

open access: yesSensors, 2016
Power transformers are crucial in an electric power system. Failures in transformers can affect the quality and cause interruptions in the power supply.
Bruno Castro   +6 more
doaj   +1 more source

Temporal extension of stable glow discharges in fluorine-based excimer laser gas mixtures by the addition of xenon [PDF]

open access: yes, 2009
The effect of addition of xenon on the long term homogeneity of discharges in F2and ArF excimer laser gas mixtures was investigated in a small-volume discharge chamber. The gas mixture in the discharge chamber was preionized by X-rays.
Bastiaens, H.M.J.   +3 more
core   +9 more sources

Partial Discharges in Aeronautics: The last frontier? [PDF]

open access: yes, 2015
This paper presents the recent advances made in the field of Partial Discharges detection and analysis in the field of aeronautics. More particularly, it intends to present the influence of the voltage waveform on the type of detection method, the role ...
Abadie, Cédric   +3 more
core   +1 more source

Simulation of Current Pulses and Sound Waves Resulting from Partial Discharges in a Needle-Plane Geometry in Air

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2022
Partial discharges can occur in different types of electric equipment and cause progressive insulation deterioration, so there is interest in monitoring partial discharges for assessing the state of the isolation of an electric system and to predict ...
Luís Victor Muller Fabris   +1 more
doaj   +1 more source

Influence of pressure on partial discharge spectra [PDF]

open access: yes, 2016
In forecoming “more electrical aircrafts”, aircrafts will become more compact and light, as hydraulic, pneumatic or mechanical systems will be replaced by electrical ones.
Abadie, Cédric   +2 more
core   +1 more source

Partial discharges measurement by UHF method [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2020
The unconventional UHF (Ultra High Frequency) method of measuring partial discharges (PD) is based on measuring electromagnetic waves (EM) in the UHF frequency band (300-3000) MHz, using appropriate antennas.
Malešević Nevena   +3 more
doaj  

Generation of critical acoustic pulses in high-voltage insulators due to induced fields of partial discharges

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2023
THE PURPOSE of the article is to discuss an updated survey of the technical condition of porcelain high-voltage insulators of the type IOS 110/400, which had defects with partial discharge intensities above 4 nC, at Tatenergo substations. The experiments
V. A. Golenishchev-Kutuzov   +5 more
doaj   +1 more source

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