Results 91 to 100 of about 17,847 (159)
, 2009 The modelling of cavity surface charge decay through conduction along the cavity wall using the Finite Element Analysis (FEA) method is presented in this paper.
Lewin, P L, Illias, H, Chen, G
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, 2018 Partial discharges (PD) measurement provide valuable information for assessing the condition of the insulation elements in high voltage (HV) electrical grids. During the last three decades, several instruments integrated with specific technical functionalities have been developed in order to perform accurate diagnostics when temporary or monitoring ...
openaire +2 more sources
Using optical couplers to monitor the condition of electricity infrastructure
, 2008 Increases in renewable and distributed generation will change the operational characteristics of our ageing power networks. To cope with these changes improved monitoring of the performance of network infrastructure is needed.
Swaffield, D J +3 more
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Solving of some Problems with On-Line Mode Measurement of Partial Discharges
Advances in Electrical and Electronic Engineering, 2004 This paper deals with the problems discussing the transition from off-line diagnostic methods to on-line ones. Based on the experience with commercial partial discharge measuring equipment a new digital system for the evaluation of partial discharge ...
Karel Zalis
doaj
UHF diagnostic monitoring techniques for power transformers
, 2004 This paper initially gives an introduction to ultra-high frequency (UHF) partial discharge monitoring techniques and their application to gas insulated substations.
Bennoch, C.J. +3 more
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High VoltageThe air gap at the interface inside the cable terminations for high‐speed trains and the partial discharge caused by it are two important factors affecting the insulating performance.
Dongli Xin +7 more
doaj +1 more source
Avaliação dos ensaios de descargas parciais e de rotor bloqueado como formas de detecção de defeitos de fabricação em estatores de motores de indução monofásicos [PDF]
, 2013 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2013.Como parte da garantia da qualidade na produção de estatores de motores de indução monofásicos, são
Cristancho Caviativa, Jorge Alejandro
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, 2005 Partial discharge monitoring provides effective evaluation of power cables, particularly of joints that are installed on site. Continuous on-line monitoring can provide information about progressing degradation under operational stresses, thus reducing ...
Tian, Y. +4 more
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An electrical PD location method applied to a continuous disc type transformer winding
, 2003 A 6.6 kV continuous disc type winding of a distribution transformer is used to investigate the propagation of partial discharges (PD) with the aim of location. The winding was modelled, as multiconductor transmission lines with each turn represented by a
Darwin, A. +5 more
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Degradation processes of voids in solid dielectrics under AC applied fields
, 2013 This Thesis is concerned with an experimental study into the degradation processes that occur when voids in solid dielectric materials experience high applied electric fields.
Bai, Tianyu
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