Hybrid Sensing of Internal and Surface Partial Discharges in Air-Insulated Medium Voltage Switchgear [PDF]
Energies, 2020 Partial discharge (PD) measurements have proved their reliability for health monitoring of insulation systems in power system components including synchronous generators, power transformers, switchgear and cables etc.
Ghulam Amjad Hussain +4 more
doaj +4 more sources
Data in Brief, 2023 This article presents the data collection process for the classification of partial discharges in electrical generators using PNG format images. The data were collected through field measurements on over 40 generators in various locations in Colombia, in
Juan David Zorrilla Henao +4 more
doaj +3 more sources
Research on Machining Characteristics of C/SiC Composite Material by EDM [PDF]
MicromachinesCarbon fiber reinforced silicon carbide (C/SiC) composite material exhibits exceptional properties, including high strength, high stiffness, low density, outstanding high-temperature performance, and corrosion resistance.
Peng Yu +5 more
doaj +2 more sources
Multi-Channel Electrical Discharge Machining of Ti-6Al-4V Enabled by Semiconductor Potential Differences [PDF]
MicromachinesTitanium alloys are difficult to machine using conventional metal cutting methods due to their low thermal conductivity and high chemical reactivity.
Xuyang Zhu +4 more
doaj +2 more sources
Integrated Method of Assessment the Type of Damages, their Localization and Predicting the Destruction of High-Voltage Electrical Equipment Insulators by the Partial Discharges Characteristics [PDF]
Problems of the Regional Energetics, 2022 The aim of this study is to improve the accuracy of localization of defects in insulators and determine their type. This goal is achieved by solving the problem of combining contact and remote methods for polymer and porcelain insulators using model ...
Gataullin А.М., Gubaev D.F.
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Hybrid DC-Bus Capacitor Discharge Strategy Using Internal Windings and External Bleeder for Surface-Mounted PMSM-Based EV Powertrains in Emergency [PDF]
IEEE Transactions on Industrial Electronics, 2021 When electric vehicles (EVs) encounter an emergency, the voltage of the DC-bus capacitor in the surface-mounted permanent magnet synchronous motor (SPMSM) based powertrain requires to be reduced as fast as possible. In order to eliminate the disadvantages and synthesize the advantages of the traditional machine winding-based and external bleeder-based ...
Chao Gong +6 more
openaire +2 more sources
Energies, 2023 The endurance of medium- and high-voltage electrical insulation is a key reliability element in a broad spectrum of applications that cover transmission and distribution levels, the transportation segment, the industrial environment, and power ...
Marek Florkowski, Maciej Kuniewski
doaj +1 more source
IEEE Access, 2023 Internal discharges in composite insulators often cause abnormal heating, interface failure and erosion of the core rod. However, the mechanism and the exact process of the degradation of HTV shed and FRP core rod caused by internal discharges are still ...
Chao Gao +5 more
doaj +1 more source
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
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Design, Development and Thermal Analysis of Reusable Li-Ion Battery Module for Future Mobile and Stationary Applications [PDF]
, 2020 open access articleThe performance, energy storage capacity, safety, and lifetime of lithium-ion battery cells of different chemistries are very sensitive to operating and environmental temperatures.
Divakaran, Arun +2 more
core +1 more source