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An experimental study about the treeing phenomena in XLPE subjected to distorted voltages
In this work the influence of harmonic content of the voltage waveform on electrical treeing growth in XLPE (cross-linked polyethylene) is investigated. In particular the lifetimes of XLPE specimens,Expand
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Life tests on twisted pairs in presence of partial discharges: influence of the voltage waveform
The stator windings of electrical motors fed by means of inverter drives are subjected to switching voltages that constitute a heavy electrical stress for the winding insulation systems. Such stressExpand
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Nanodielectrics: A panacea for solving all electrical insulation problems?
At times new paradigms are observed to emerge. One example of this concerns the introduction of the concept of “Nanodielectrics” in 2001. It is often demeaned that with new concepts must come newExpand
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Nanodielectrics: A “universal” panacea for solving all electrical insulation problems?
TLDR
This text summarizes the keynote presentation that is based on the full-length paper of the same title. Expand
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Aging diagnosis of insulation systems by PD measurements. Extraction of partial discharge features in electrical treeing
The charge height values associated with PD measured during electrical tree inception and growth are processed according to the Weibull distribution. Test arrangements, based on the needle-planeExpand
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Life tests on twisted pairs subjected to PWM-like voltages
This investigation regards the partial discharges (PD) ageing processes of motor winding insulation (enamelled wires) subjected to "fast rising and dropping" voltages, i.e. to a PWM controlledExpand
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Hardware Friendly Neural Network for the PD Classification
TLDR
A single hidden-layer feedforward neural network (SLFN) is presented in this work. Expand
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Investigation of aging rate in polymer films subjected to surface discharges under distorted voltage
This paper presents the first results of a research carried out with the purpose of investigating life performance and degradation mechanisms of electrical insulating materials subjected to distortedExpand
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PD detection and localization by means of acoustic measurements on hydrogenerator stator bars
Acoustic partial discharge detection appears useful for the location of PD sources within various kinds of insulating systems. The usefulness of such a method to locate discharge sources inExpand
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Partial Discharge Tests Using CIGRE Method II Upon Nanocomposite Epoxy Resins
Nanocomposite polymers are becoming a new family of dielectric materials with promising insulating properties. In order to apply this technology to insulation systems, a study about the materialExpand
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