Design and Evaluation of a Flexible Substrate-Based Microstrip Sensor for Partial Discharge Detection in High-Voltage Equipment [PDF]
SensorsPartial discharge (PD) detection effectively identifies insulation defects in power equipment. Radio frequency (RF) methods for PD detection offer promising advantages due to their non-invasive measurement capability and ability to locate discharge ...
Shuhao Dong, Xiao Hu
doaj +2 more sources
Analysis of Charge Parameter Characteristics of Graphene Partial Discharge Sensor Based on First-Principles Study [PDF]
MicromachinesWith the proposal of transparent power grids, advanced sensor research has become a hot topic. A partial discharge (PD) sensor is a specialized device that captures electrical signals generated by partial discharge phenomena in power system insulation ...
Huiyuan Zhang +4 more
doaj +2 more sources
An Evaluation Method for Partial Discharge in Generator Stator Bar Insulation Based on Fiber-Optic Acoustic Detection [PDF]
SensorsPartial-discharge (PD) monitoring is essential for assessing the insulation condition of generator stator bars. Conventional methods are susceptible to electromagnetic interference and are difficult to deploy in confined stator geometries.
Jianlin Hu +4 more
doaj +2 more sources
Partial Discharge Analysis and Simulation Using the Consecutive Pulses Correlation Method
Energies, 2021 The behaviour of partial discharge as consequences of an alternating current (AC) is already well defined. AC partial discharges have completely different behaviour, background physics and parameters than partial discharges (PD) under direct current (DC)
Ondřej Kozák, Josef Pihera
doaj +1 more source
Review on Partial Discharge Diagnostic Techniques for High Voltage Equipment in Power Systems
IEEE Access, 2023 In modern power systems, condition based monitoring and diagnosis is essential to ensure the effective and reliable operation of different high voltage equipment (HVE).
G. Hussain +5 more
semanticscholar +1 more source
Study on the Correlation between Partial Discharge Energy and SF6 Decomposition Gas Generation
Energies, 2020 In this paper, the amount of SF6 decomposition gases due to the partial discharge (PD) was studied in the SF6 gas-insulated transformer. The long-term PD degradation experiment was performed while controlling the discharge magnitude using the surface ...
Yong Sung Cho +4 more
doaj +1 more source
UHF-Printed Monopole Filtenna for Partial Discharge Detection with LTE Signal Suppression [PDF]
Journal of Electromagnetic Engineering and Science, 2023 External partial discharge (PD) sensors for the ultra-high frequency (UHF) method are widely used to detect the PD signals in high-voltage power equipment for ease of installation and maintenance. However, conventional external PD sensors detect not only
Junmo Choi +3 more
doaj +1 more source
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
Radiometric Partial Discharge Detection: A Review
Energies, 2023 One of the most common failures or breakdowns that can occur in high-voltage (HV) equipment is due to partial discharges (PDs). This occurs as a result of inadequate insulation, aging, harsh environmental effects, or manufacturing flaws. PD detection and
S. Kaziz +6 more
semanticscholar +1 more source
IEEE Access, 2023 The behaviour of partial discharge inception voltage (PDIV), partial discharge extinction voltage (PDEV) and repetitive partial discharge inception voltage (RPDIV) as a function of exposure/poling time under unipolar repetitive square wave excitations at
Hadi Naderiallaf +2 more
doaj +1 more source