A5068261761- Electromagnetic wave absorption materials
- Advanced Antenna and Metasurface Technologies
- Microwave Dielectric Ceramics Synthesis
- Ferroelectric and Piezoelectric Materials
- High voltage insulation and dielectric phenomena
- Power Transformer Diagnostics and Insulation
- High-Voltage Power Transmission Systems
- Multiferroics and related materials
- HVDC Systems and Fault Protection
- Real-time simulation and control systems
- Dielectric properties of ceramics
- Thermal Analysis in Power Transmission
- Lightning and Electromagnetic Phenomena
- Electrohydrodynamics and Fluid Dynamics
- Electrowetting and Microfluidic Technologies
- Metamaterials and Metasurfaces Applications
- Material Properties and Processing
- Aerosol Filtration and Electrostatic Precipitation
- Electromagnetic Simulation and Numerical Methods
- Islanding Detection in Power Systems
- Microgrid Control and Optimization
- Magnetic Properties and Synthesis of Ferrites
- Dielectric materials and actuators
- Advanced ceramic materials synthesis
- Magneto-Optical Properties and Applications
State Grid Corporation of China (China)
2018-2024
State Key Laboratory of Electrical Insulation and Power Equipment
2021-2024
Xi'an Jiaotong University
2005-2024
Fujian Agriculture and Forestry University
2023
AviChina Industry & Technology (China)
2020-2022
Aviation Industry Corporation of China (China)
2021
Northwestern Polytechnical University
1996-2020
Nanjing University of Aeronautics and Astronautics
2019
Chongqing University
2018
Nankai University
2016
Abstract The application of collagen‐based hydrogel is severely restricted due to its poor mechanical strength and functional singleness. In this paper, two‐dimensional MXene nanosheets were introduced into collagen/acrylic acid (AA) system, which was polymerized in situ produce versatile (GCol‐MX‐PAA). tensile stress compressive values the resultant at concentration 5 mg/mL reached 211.5 kPa 7.8 MPa, respectively, approximately 4.0 1.4 times higher than those GCol‐PAA. bonding 30.7 porcine...
It is known that 1,2,3 benzotriazole (BTA) can effectively limit the oil flow electrification in oil–paper insulation used HVAC transformers, but it still unclear whether BTA applicable to converter transformers. Thus, effects of on interface charge behaviors and migration system under dc stress are investigated this article. The experimental results show reduces barrier between oil-immersed paper by altering distribution electric double layer (EDL) at interface, which beneficial operation...
Charge accumulation in the insulating oil-paper system determines operating safety of converter transformers high-voltage direct current (HVDC) transmissions. However, it has been a long-standing challenge to reveal charge distribution electric double layer (EDL) at interface and relate transport. In particular, EDL charging mechanisms have not fully understood. We herein demonstrate that is probed through Kelvin probe force microscopy (KPFM). The origin without any additives shows negative...
The non-contact voltage measurement of the transmission line is importance to operation and intellectualization electrical power system. Presently, based on field sensor has been widely studied. methods obtaining by solving electric inverse problem have difficulties in solution calibration. This can be effectively solved adopting numerical integral algorithm field. In this paper, using Chebyshev piecewise algorithm, Gauss-Legendre improved was analyzed intervals algorithms were optimized....
Oil-paper insulation is the main of converter transformers. To understand charge transportation process in oil-paper insulation, mobility insulating oil and oil-immersed paper measured based on PEA method. The positive dozens times higher than that paper, negative hundreds wherefore a large amount accumulates at interface under DC voltage. SEM images show fiber ordinary sample has more defects heat-resistant sample, resulting deep traps distributed body surface, which not only causes lower...
1,2,3 BTA) is a widely-used additive to limit the oil flow electrification in oil-paper insulation of HVAC transformers, but it still indeterminate whether BTA applicable converter transformers. Our previous experiment shows that promotes charge accumulation at interface under DC stress, and cannot be explained by its effect on electric double layer barrier. Considering mobility also an important factor affects characteristics, effects insulating oil-immersed paper investigated this paper....
The measurement for the surface electric field intensity of insulators based on electroluminescent effect is a non-contact measurement. By spraying coating epoxy paint mixed with ZnS:Cu electroluminescence powder insulators, part high would be first to glow. As applied voltage increases, area luminous and brightness increase. Therefore, distribution can deduced by photographing analyzing luminescence insulator coating. This method has successfully measured disc in GIL. Without use probe,...