Partial discharge pulse propagation in power cable and partial discharge monitoring system [PDF]
, 2014 Partial discharge (PD) based condition monitoring has been widely applied to power cables. However, difficulties in interpretation of measurement results (location and criticality) remain to be tackled.
Dong, Xiang +6 more
core +1 more source
Intelligent partial discharge sensing system for power grid equipment based on Internet of things
Diance yu yibiaoAiming at the problem that the traditional manual inspection method and wired communication method are difficult to meet the demand for partial discharge (PD) detection of large-scale power equipment, this paper designs an intelligent partial discharge ...
FANG Zheng
doaj +1 more source
Partial discharge. Part XXIV: The analysis of PD in HVDC equipment
IEEE Electrical Insulation Magazine, 1997 High voltage dc is required in a wide range of consumer, commercial, and military applications. Presently available PD analysis for dc systems can extend far beyond the old-fashioned "not more than 'n' PD pulses per minute over a given magnitude".
Morshuis, P. (author) +2 more
openaire +3 more sources
Classification of partial discharge signals by combining adaptive local iterative filtering and entropy features [PDF]
, 2017 Electro-Magnetic Interference (EMI) is a measurement technique for Partial Discharge (PD) signals which arise in operating electrical machines, generators and other auxiliary equipment due to insulation degradation.
Alan Nesbitt +8 more
core +4 more sources
Effect of SF6 pressure on the sensitivity of partial discharge detection of typical defects in GIS
电力工程技术, 2023 The gas pressure of gas insulated switchgear (GIS) is the key factor affecting the sensitivity of partial discharge (PD) detection. In this paper, four defect models, tip, suspension, void, surface, are constructed on the PD experimental platform.
KONG Fanjun +3 more
doaj +1 more source
Fractal-based autonomous partial discharge pattern recognition method for MV motors [PDF]
, 2018 On-line partial discharge (PD) monitoring is being increasingly adopted to improve the asset management and maintenance of medium-voltage (MV) motors. This study presents a novel method for autonomous analysis and classification of motor PD patterns in ...
Cacciari M. +15 more
core +2 more sources
Energies, 2017 Scientific evaluation of partial discharge (PD) severity in gas-insulation switchgear (GIS) can assist in mastering the insulation condition of in-service GIS.
Ju Tang +6 more
doaj +1 more source
On-line PD detection and localization in cross-bonded HV cable systems [PDF]
, 2014 This paper addresses the detection and localization of partial discharge (PD) in crossbonded (CB) high voltage (HV) cables. A great deal has been published in recent years on PD based cable insulation condition monitoring, diagnostics and localization in
Hepburn, Donald M. +5 more
core +1 more source
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
Wireless Sensor Network for Radiometric Detection and Assessment of Partial Discharge in HV Equipment [PDF]
, 2017 Monitoring of partial discharge (PD) activity within high voltage electrical environments is frequently used for the assessment of insulation condition.
Atkinson, R. +13 more
core +2 more sources