Partial discharge (PD)
Laboratory and field partial discharge measurement in HVDC power cables
... Partial discharge phenomena under DC conditions have generally received less attention than AC PD until recently. A review of previous research in this field can be found in [1], which includes ...
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Partial discharge detection and localization : using software defined radio
... Partial Discharge (PD) occurs when insulation containing voids is subjected to high voltage (HV). If left untreated PD can degrade insulation until, eventually, catastrophic insulation failure occurs. The ...
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Partial Discharge within a Spherical Cavity in Solid Dielectric Material
... is partial discharge (PD). PD is a discharge that does not bridge the electrodes of an insulation system under high-voltage stress ...of partial discharge increase, which leads to the ...
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Development of an integrated low-power RF partial discharge detector
... This paper has presented the results of validating an integrated low-power partial discharge detector for use within a condition monitoring sensor network. The system has used a multi-agent system approach ...
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Classification of Partial Discharge Measured under Different Levels of Noise Contamination
... Cable joint insulation breakdown may cause a huge loss to power companies. Therefore, it is vital to diagnose the insulation quality to detect early signs of insulation failure. It is well known that there is a ...
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Low complexity wireless sensor system for partial discharge localisation
... Abstract: This paper describes a key element of any modern wireless sensor system: data processing. We describe a system consisting of a wireless sensor network and algorithmic software for condition-based monitoring of ...
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Radio location of partial discharge sources : a support vector regression approach
... Abstract: Partial discharge (PD) can provide a useful forewarning of asset failure in electricity substations. A significant proportion of assets are susceptible to PD due to incipient weakness in their ...
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An evaluation of total variation signal denoising methods for partial discharge signals
... Partial discharge (PD) monitoring in high voltage power plants is a useful tool to detect the presence of insulation degradation in the electrical systems ...
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Compositional modelling of partial discharge pulse spectral characteristics
... 1) Phase resolved diagnostics: As PD activity is under the influence of the applied electric field which varies with the external voltage, PD pulses can be resolved against electrical phase for diagnostic purposes. ...
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Localisation of partial discharge sources using radio fingerprinting technique
... Abstract— Partial discharge (PD) is a well-known indicator of the failure of insulators in electrical plant. Operators are pushing toward lower operating cost and higher reliability and this stimulates a ...
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Identifying harmonic attributes from online partial discharge data
... C ONDITION monitoring has the potential to pre-empt catastrophic failure of plant by identifying insulation degradation trends, thus allowing the planning of appropriate maintenance and replacement. One approach is to ...
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Partial Discharge Patterns in Conducting and Non-Conducting Electrical Trees
... of partial discharges (PD) occurring within the tree ...modelling partial discharges in electrical trees and the model was successful in reproducing the spatial extent of the partial discharge ...
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Theory of partial discharge and arc formation
... a partial discharge curve, which is non-sustaining and is expected to be at a lower energy level to that of Townsend ...term partial discharge refers to the proposed definition provided in ...
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Transfer function characterization for HFCTs used in partial discharge detection
... High frequency current transformers (HFCTs) are widely employed to detect partial discharge (PD) induced currents in high voltage equipment. This paper describes measurements of the wideband transfer ...
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Partial discharge simulation under various applied voltage waveforms
... resolved partial discharge (PRPD) patterns are used to observe PD patterns under different parameters of the simulation and conditions of the applied ...
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Calibration of free-space radiometric partial discharge measurements
... The present study addresses the calibration of four types of partial discharge (PD) emulators used in the development of a PD Wireless Sensor Network (WSN). Three PD emulators have been constructed: a ...
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Wireless sensor network for radiometric detection and assessment of partial discharge in HV equipment
... Partial discharge (PD) is a fault that occurs within the insulation of high-voltage (HV) plant such as cables, switchgear and ...electrical discharge that only partially bridges the insulation ...
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Radio Location of Partial Discharge Sources: A Support Vector Regression Approach
... Abstract: Partial discharge (PD) can provide a useful forewarning of asset failure in electricity substations. A significant proportion of assets are susceptible to PD due to incipient weakness in their ...
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Self Organizing Map Improved for Classification of Partial Discharge using Desirability Function
... Abstract: This paper presents an analysis for Self Organizing Map (SOM) using Response Surface Methodology (RSM) and Desirability Function to find the optimal parameters to improve performance. This comparative explores ...
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Partial Discharge Investigation of Insulators using Simulation
... of solid, liquid and gaseous materials are used for insulation purpose to protect the incipient failure inside the power equipment.. Due to the high voltage stress the weak zone inside the insulator causes the ...
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