Results 21 to 30 of about 2,488 (168)

Frequency Resolved Partial Discharges Based on Spectral Pulse Counting

Energies, 2021
A partial discharge (PD) classification methodology based counting PD pulses in the spectral domain is proposed and presented in this paper. The spectral counting data are processed using the proposed PD Spectral Pulse Counting Mapping technique (PD-SPCM)
Anderson J. C. Sena, Rodrigo M. S. de Oliveira, Júlio A. S. do Nascimento   +2 more
doaj   +1 more source

A Building Block to the Design of Partial Discharge Free HV and MV Cables: Modeling Defects and Discharge Inception Voltage

IEEE Access
It is well assessed that partial discharges, PD, are one of the major causes of MV and HV cable system breakdown, thus investigating partial discharge phenomenology and harmfulness is a key topic in relation to electric asset component reliability ...
Gian Carlo Montanari, Muhammad Shafiq, Sukesh Babu Myneni   +2 more
doaj   +1 more source

Experimental investigation of different cavity arrangements in the high voltage solid insulation systems

Yanbu Journal of Engineering and Science, 2022
The partial discharge (PD) test is a widely used technique for evaluating the performance of the insulations in the high voltage (HV) plant. Electrical sparks, or PD, can deteriorate the insulation of HV equipment.
Abdullahi Mas'ud
doaj   +1 more source

Partial Discharge Inception Modelling of Insulating Materials and Systems: Contribution of Electrodes to Electric Field Profile Calculation

Applied Sciences, 2023
Partial discharge inception modeling is a powerful tool for material investigation and insulation system design in order to achieve the objective of PD-free operation of insulation systems.
Giovanni Gardan, Gian Carlo Montanari
doaj   +1 more source

NEW METHOD OF DETERMINING SIZE AND PROVISION OF DEFECTS IN THE INSULATION OF WINDINGS OF STATOR OF TURBOGENERATORS AT MEASUREMENT OF PARTIAL DISCHARGES IN THEM

Известия высших учебных заведений: Проблемы энергетики, 2018
The paper provides a new method for determining the dimensions and position of defects in the insulation of the stator windings of turbogenerators when partial discharges (PD) are measured in them.
A. M. Baboraik, A. Е. Usachev, R. G. Ildarkhanov, A. Y. Kubarev   +3 more
doaj   +1 more source

Modeling of partial discharge in computer environment Multisim

Известия высших учебных заведений: Проблемы энергетики, 2017
The paper reports the results of computer simulation process emergence of partial discharge (PD) in insulation defects in different types of Multisim environment.
B. A. Ba, A. E. Usachev, A. .. Kubarev
doaj   +1 more source

Estimation of the Partial Discharge Inception Voltage of Electrical Asset Components at Variable Environmental Pressure: A Modelling Approach

Energies
Since partial discharges, PD, are a major accelerated degradation mechanism of organic electrical insulation systems, measuring partial discharge inception voltage, PDIV, of electrical asset components in aviation and aerospace is a fundamental tool to ...
Sukesh Babu Myneni, Gian Carlo Montanari
doaj   +1 more source

Identification of Partial Discharge Sources by Feature Extraction from a Signal Conditioning System

Sensors
This paper addresses the critical challenge of detecting, separating, and classifying partial discharges in substations. It proposes two solutions: the first involves developing a signal conditioning system to reduce the sampling requirements for PD ...
Itaiara Felix Carvalho, Edson Guedes da Costa, Luiz Augusto Medeiros Martins Nobrega, Allan David da Costa Silva   +3 more
doaj   +1 more source

Partial discharges measurement by UHF method [PDF]

Zbornik 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, Žarković Mileta, Ilić Denis, Jovanović Đorđe   +3 more
doaj  

Influence of Water Ingress on Surface Discharges Occurring on the Silicone Gel Encapsulated Printed Circuit Boards Developed for Deep-Sea Applications

Energies, 2023
This paper discusses the influence of water ingress on the electrical discharges that arise on the surface of printed circuit boards that are developed for deep sea applications.
Saravanakumar Arumugam, Yvonne Haba, Petrus Jacobus Pieterse, Dirk Uhrlandt, Sascha Kosleck   +4 more
doaj   +1 more source