A5006789287- High voltage insulation and dielectric phenomena
- Power Transformer Diagnostics and Insulation
- Dielectric materials and actuators
- Electrostatic Discharge in Electronics
- Lightning and Electromagnetic Phenomena
- Aerosol Filtration and Electrostatic Precipitation
- Flame retardant materials and properties
- Advanced Sensor and Energy Harvesting Materials
- Electrohydrodynamics and Fluid Dynamics
- Plasma Applications and Diagnostics
- Thermal Analysis in Power Transmission
- Fire dynamics and safety research
- Supercapacitor Materials and Fabrication
- Electrical Fault Detection and Protection
- Polymer Nanocomposites and Properties
- Synthesis and properties of polymers
- Surface Modification and Superhydrophobicity
- Electromagnetic Compatibility and Noise Suppression
- Advancements in Battery Materials
- Graphene research and applications
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Advanced Fiber Optic Sensors
- Electromagnetic wave absorption materials
- Thermal properties of materials
Nanjing Tech University
2022-2024
Sichuan University
2015-2023
Advanced Power Electronics (United States)
2023
Florida State University
2023
RMIT University
2023
National Institute Of Technology Silchar
2023
UNSW Sydney
2023
Institut d'Électronique et des Systèmes
2018-2021
Université de Montpellier
2018-2021
Centre National de la Recherche Scientifique
2019-2021
The 2050 carbon-neutral vision spawns a novel energy structure revolution, and the construction of future is based on equipment innovation. Insulating material, as core electrical power electrified transportation asset, faces unprecedented challenges opportunities. goal carbon neutral urgent need for innovation in electric electrification assets are first discussed. engineering constrained by insulation system equipment/devices investigated. materials, including intelligent insulating high...
This numerical study aims to interpret the impact of non-linear thermal radiation on magnetohydrodynamic (MHD) Darcy-Forchheimer Casson-Water/Glycerine nanofluid flow due a rotating disk. Both single walled, as well multi Carbon nanotubes (CNT) are invoked. The nanomaterial, thus formulated, is assumed be more conductive compared simple fluid. properties effective carbon specified tackle onward governing equations. boundary layer formulations considered. base fluid non-Newtonian. analysis...
Mitigation measures and control strategies relating to the novel coronavirus disease 2019 (COVID-19) have been widely applied in many countries reduce transmission of this pandemic disease. China was first country implement a strong lockdown policy COVID-19 when worldwide were struggling manage cases. However, causes numerous changes air-quality patterns due low amount traffic decreased human mobility it results in. To study impact strict new epidemic on air quality Hubei early 2020,...
Partial discharge (PD) measurements under repetitive impulse voltages are critical for the qualification of inverter-fed motor insulation systems. Severe electromagnetic interference due to high frequency switching from power electronic devices can cause traditional PD detection techniques sinusoidal voltage unfeasible. This article presents design an Archimedes spiral antenna that work effectively fast rise time voltages. The structure is optimized by a media superstrate with dielectric...
Failure mechanism due to corona aging and characteristics of PD (partial discharge) on nano doped PI (polyimide) film are investigated under bipolar impulse voltage. Chemical characterization material is analyzed through SEM (scanning electron microscope) FTIR (Fourier transform infrared spectroscopy). The results show that failure specimens mainly caused by surface discharge which could be suppressed the addition particles. Al <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...
Cost-effective, clean, highly transparent, and flexible as well a coatable packaging material is envisioned to solve or at least mitigate quality preservation issues of organic materials, originating from moisture interaction under ambient conditions. Liquid phase processing coatings using nano-clay polyvinyl alcohol (PVOH) has been developed reported. Detailed analysis the coating revealed permeability 2.8 × 10−2 g·cm/m2·day 40 °C 85% relative humidity (RH), which in close accordance with...
Ensuring the fire safety of high voltage (HV) outdoor insulators is key to maintain reliable operation electrical grid. This requires careful selection suitable polymeric composite materials with excellent tracking, erosion, and resistance characteristics. To improve their performance against tracking potential combustion issues, inorganic additives are commonly integrated into these materials. The focus this review article on describing progress innovations in enhancing by incorporating...
Measurements of space charge density and trap levels are informative ways to predict failure conditions insulation materials. The charges injected from electrodes penetrate surface towards deep inside the material. In order resist injection, trapping, migration increase recombination, detrapping extraction rate, layer (nanocomposite-PI-nanocomposite) sandwich structure samples used. Two techniques Pulse Electro Acoustic (PEA) Thermal Stimulated Current (TSC) combined characterize behavior...
The partial discharge (PD) in inverter-fed motors generated from high frequency and short rise time impulsive voltage are more complex than traditional sinusoidal operated due to the noise initiated fast switching power electronics devices. Available PD sensors related technology for DC cannot be used at repetitive conditions. This work aims report design of antenna with optimized geometry satisfied parameters detect voltage. is verified influence both impulse test configuration on features...
The urgent need for power transmission is the reason leading research on safer operation of high-voltage cables. These cables are emerging as an efficient technology underground transmission. However, electrochemical corrosion aluminium (Al) metal sheaths in these a common and challenging degradation process. Herein, mechanisms analysis investigated by using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), impedance (EIS) laboratory-designed...
Abstract The nanosecond (ns) pulsed nitrogen dielectric barrier discharge (DBD) is employed to enhance the hydrophilicity of polypropylene (PP) surface and improve its application effect. characteristics ns DBD with different pulse rise times (from 50 500 ns) are investigated by electrical optical diagnostic methods uniformity quantitatively analyzed image processing method. To characterize hydrophilicity, water contact angle (WCA) measured, physical morphology chemical composition PP before...
In this study, XLPE electrical breakdown depending on insulation thickness is analyzed by simulations and experiments. The bipolar space charge molecular chain displacement models are investigated to explain the experimental results. results from experiments indicate that DC field decreases with increasing thickness. For simulations, carrier mobility trapping parameters obtained simulation of both present an inverse power relationship between strength model show consistency as compared a...
The steady-state electrical conduction current for single and multilayer polyimide (PI) nanocomposite films was observed at the low high electric field different temperatures. Experimental data were fitted to models investigate dominant mechanism in these films. In most films, space charge limited (SCLC) Poole–Frenkel displayed conduction. At a field, ohmic replaced by current–voltage dependency. Higher lower temperature, but it declined higher temperature. PI showed huge reduction fields...
Room temperature vulcanized (RTV) silicone rubber filled with aluminum trihydrate (ATH) is substantially engaged in electrical outdoor insulation applications. The pristine highly combustible. ATH offers excellent but lacks providing adequate flame retardancy. This short communication reports the novel results on improved retardancy of and whilst retaining properties to a great extent. Results suggest that presence only one percent graphene nanoplatelets sharply reduces heat release rate...