Results 1 to 10 of about 95 (94)

Laboratory stand for development of method and system for continuous non-contact non-destructive testing of technical condition of insulation equipment [PDF]

Омский научный вестник, 2021
Measurement of partial discharges (PD) is a generally accepted method of diagnosing the insulation of electrical equipment worldwide. Today, the trend is to move from conventional offline testing to online monitoring to predict the service life of ...
T. G. Galieva, D. A. Ivanov, M. F. Sadykov, A. V. Golenishchev-Kutuzov   +3 more
doaj   +1 more source

IEC 60270 Calibration Uncertainty in Gas-Insulated Substations

2023 IEEE Electrical Insulation Conference (EIC), 2023
Accepted Author Manuscript, to cite this publication, please use the final published version with the doi: 10.1109/EIC55835.2023 ...
Mier Escurra, Christian, Rodrigo Mor, Armando, Vaessen, Peter   +2 more
openaire   +2 more sources

Registrador universal de alta tensión para los laboratorios de ensayo

Tecnología en Marcha, 2021
Tradicionalmente los laboratorios de alta tensión (AT) han precisado diferentes instrumentos de medida para medir las tensiones alternas 50/60 Hz (AC), mediante voltímetros de cresta, impulsos de tensión tipo rayo, mediante medidores de tensiones de ...
Abderrahim Khamlichi, Fernando Garnacho, Jorge Rovira, Pascual Simón   +3 more
doaj   +1 more source

Fiber Optic Acoustic Sensor Based on SMS Structure With Thin Polymer Diaphragm for Partial Discharge Detection

IEEE Access, 2020
This paper proposes a fiber optic acoustic sensor (FOAS) based on a single-mode fiber - multimode fiber - single-mode fiber (SMS) structure attached to a thin polymer film used as a diaphragm.
L. G. Pavan Kumar Chaganti, Mohd Hafizi Ahmad, Mohamed Afendi Mohamed Piah, Muhammad Yusof Mohd Noor, Asrul Izam Azmi   +4 more
doaj   +1 more source

Karakteristik Peluahan pada Permukaan Akrilik di Sekeliling Elektroda Plat

Journal of Energy and Electrical Engineering, 2023
Lebih dari 50% kerusakan pada instrumen sistem daya disebabkan oleh cacat isolator. Cacat isolator ini terkait erat dengan peluahan sebagian karena selain memicu terjadinya kerusakan pada isolator juga bisa menjadi pertanda awal kerusakan isolator.
rian nurdiansyah, neris peri ardiansyah, umar khayam   +2 more
doaj   +1 more source

New Synthetic Partial Discharge Calibrator for Qualification of Partial Discharge Analyzers for Insulation Diagnosis of HVDC and HVAC Grids

Sensors, 2023
A synthetic partial discharge (PD) calibrator has been developed to qualify PD analyzers used for insulation diagnosis of HVAC and HVDC grids including cable systems, AIS, GIS, GIL, power transformers, and HVDC converters.
Abderrahim Khamlichi, Fernando Garnacho, Pascual Simón   +2 more
doaj   +1 more source

The Practical Application of Bio-Inspired PMA for the Detection of Partial Discharges in High Voltage Equipment

Sensors, 2023
In this paper, the practical application of a bio-inspired antenna for partial discharge (PD) detection in high voltage equipment was evaluated in order to validate the efficiency of using this technology for PD monitoring purposes.
Josiel Cruz, Alexandre Serres, Raimundo Freire, Edson Costa, George Xavier, Adriano Oliveira, Vladimir Souza, Pavlos Lazaridis   +7 more
doaj   +1 more source

Metrological Qualification of PD Analysers for Insulation Diagnosis of HVDC and HVAC Grids

Sensors, 2023
On-site partial discharge (PD) measurements have turned out to be a very efficient technique for determining the insulation condition in high-voltage electrical grids (AIS, cable systems, GIS, HVDC converters, etc.); however, there is not any ...
Fernando Garnacho, Fernando Álvarez, Alf-Peter Elg, Christian Mier, Kari Lahti, Abderrahim Khamlichi, Eduardo Arcones, Joni Klüss, Armando Rodrigo Mor, Pertti Pakonen, José Ramón Vidal, Álvaro Camuñas, Jorge Rovira, Carlos Vera, Miran Haider   +14 more
doaj   +1 more source

Time-Frequency Analysis of Partial Discharge Current Pulses in Different Gas Environment under Lightning Impulse

Measurement Science Review, 2020
This paper deals with a time-frequency analysis of the measured partial discharge (PD) currents in different insulation gases. These gas environments consist of a pure SF6 (sulphur-hexafluoride) and sulphur-hexafluoride and nitrogen (1 % SF6 + 99 % N2 ...
Arikan Kemal, Önal Emel, Şeker Serhat
doaj   +1 more source

Precision and Accuracy of Pulse Propagation Velocity Measurement in Power Cables

Energies, 2023
The partial discharge (PD) measurement is an important method used in determining the condition of medium- and high-voltage cable insulation. Considering the propagation velocity of PD signals in power cables is necessary for determining the location of ...
Ivar Kiitam, Muhammad Shafiq, Maninder Choudhary, Martin Parker, Ivo Palu, Paul Taklaja   +5 more
doaj   +1 more source