نتایج جستجو برای: partial discharges

تعداد نتایج: 242908  

Journal: :Energies 2022

Classification is one of the most common methods supervised learning, which divided into a process data acquisition, mining, feature analysis, machine learning algorithm selection, model and validation, as well prediction result, was done in current work. The that were analyzed concerned ionizing radiation signals generated by partial discharges, recorded method using phenomenon scintillation. ...

Journal: :IEEE Access 2022

Partial discharge (PD) measurement of an insulation system is widely used as a diagnostic tool for the quality control high voltage apparatuses. In ac, conventional method PD detection well established. However, under square voltages such those generated across power electronic converters, cannot discriminate between PDs and switching transients. this context, paper demonstrates fast-rising by ...

Journal: :Epileptic disorders : international epilepsy journal with videotape 2005
Gagandeep Singh Mary-Anne Wright Josemir W Sander Matthew C Walker

We describe a patient in whom the only electrographic manifestation of a complex partial seizure recorded by video-EEG telemetry was periodic lateralized epileptiform discharges (PLEDs) with a left anterior temporal emphasis. The abnormality, which persisted throughout the whole recorded seizure, lends support to the claim that PLEDs can be an ictal phenomenon.

Journal: :IEEE Access 2021

This paper focuses on the inception of partial discharges within insulation system electrical actuators used for More Electrical Aircraft (MEA). Since these machines should operate in absence Partial Discharges (PDs), dependence PD Inception Voltage (PDIV) voltage impulses typical wide bandgap (SiC) devices is investigated at both 1 bar, reduced pressures close to those aircraft cruising altitu...

2017
G. C. Crichton P. W. Karlsson

Transients associated with partial discharges in ellipsoidal and spheroidal voids are derived in terms of the concept of induced charges on the electrode. The relationship between the induced charge and the properties which are usually measured are discussed. The method is illustrated by applying it to a spheroidal void in a simple disk-type GIS spacer.

Journal: :British journal of anaesthesia 1999
H Schmitt K Druschky C Hummel H Stefan

We report detection of an epileptic mirror focus approximately 2 h after administration of oral clonidine 150 micrograms in a patient with an intractable complex partial seizure disorder. The specific epileptic activity was documented by electroencephalographic (EEG) and magnetoencephalographic (MEG) recordings. The case illustrates a possible role of clonidine in facilitating specific discharges.

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