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Development of a High-Speed Data Acquisition Card for Partial Discharge Measurement

IEEE Access, 2019
This study Development a high-speed data acquisition (DAQ) device by using AD9226 analog-to-digital converters, a field programmable gate array, and an ARM Cortex-A8 microprocessor for a self-designed synchronous 6-channel high-speed DAQ card that was ...
Feng-Chang Gu +4 more
doaj +1 more source

AN ELECTRICAL SYSTEM FOR TESTING CROSS-LINKED POLYETHYLENE POWER CABLES OF ALL VOLTAGE CLASSES

Electrical engineering & Electromechanics, 2013
The paper introduces a design solution for building a test system for measurement of partial discharge and detection of breakdown spots via voltage resonance.
V.P. Karpushenko +3 more
doaj

Influence of Insulating Material Properties on Partial Discharges at DC Voltage

Energies, 2020
Understanding a partial discharge mechanism at direct current (DC) is an actual research topic that requires both modeling, simulations and measurements.
Marek Florkowski
doaj +1 more source

Partial discharge behavior and insulation failures detection in electrical devices subjected to impulse voltage excitation

International Journal of Electrical Power & Energy Systems
Partial discharges can occur within an insulating system due to flaws in the material and can cause continuous deterioration until a full breakdown occurs.
Manuel Eckert +3 more
doaj +1 more source

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

Development of methods for measuring partial discharges in the solid insulation with gaseous defects of power transformers

Journal of Electrical Systems and Information Technology
This article presents a research project aimed at developing a method for measuring the intensity of the electric field inducing partial discharges (PDs) in a gaseous defect within a solid insulator.
Nyetereye Frederic +2 more
doaj +1 more source

Detection Technique of Partial Discharges at Impulse Voltage with Appropriate Filter Settings for Signal Separation

Energies, 2019
Due to the increased utilization of electric converters feeding rotating high voltage motors, their insulation is subject to transient impulse and high frequency oscillating voltages.
Karsten Backhaus, Lena Elspaß, Konstantin Pasche +2 more
doaj +1 more source

Entropy-Based Feature Extraction for Electromagnetic Discharges Classification in High-Voltage Power Generation

Entropy, 2018
This work exploits four entropy measures known as Sample, Permutation, Weighted Permutation, and Dispersion Entropy to extract relevant information from Electromagnetic Interference (EMI) discharge signals that are useful in fault diagnosis of High ...
Imene Mitiche +4 more
doaj +1 more source

Propagation of Partial Discharge Pulses in Winding

Advances in Electrical and Electronic Engineering, 2004
A lot of measurements of the attenuation of partial discharge pulses on the model of winding was realized in the HighVoltage Laboratory of the Czech Technical University in Prague.
Karel Zalis
doaj

Research on a Partial Discharge Expert System for the Diagnosis of Damaged Transformation Equipment

Applied Sciences
Partial discharge (PD) characteristics are very important for the diagnosis of damaged transformation equipment. If the power transmission and transformation equipment fails, it will cause large economic losses, and thus prevention is better than ...
Ping-Chang Tsai +3 more
doaj +1 more source

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