Yunpeng Liu
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View article: A predictive method for radial temperature profiles of low-current arcs in axial flow derived from gas properties
A predictive method for radial temperature profiles of low-current arcs in axial flow derived from gas properties Open
Low-current arcs in axially blown gases exhibit distinct features in their arc column size and temperature distribution, notably featuring multiple inflection points in the radial temperature profile. This work introduces a simplified theo…
View article: Analysis of vibration evolution and propagation characteristics due to mechanical degradation in transformer iron cores
Analysis of vibration evolution and propagation characteristics due to mechanical degradation in transformer iron cores Open
This study investigates vibration changes due to transformer core deterioration by monitoring core vibration, compression force and shell wall vibrations simultaneously. The transformer core operates in a compound environment of mechanical…
View article: Optimization of grading rings for 1000 kV dry-type air-core shunt reactor based on hybrid RBFNN–Kriging surrogate model
Optimization of grading rings for 1000 kV dry-type air-core shunt reactor based on hybrid RBFNN–Kriging surrogate model Open
The 1000 kV dry-type air-core shunt reactor, as one of the key components of ultra-high voltage AC transmission systems, is still in the preliminary stage of research regarding its grading ring configuration. Aiming to reduce the maximum e…
View article: Optimization of DG-LRG Water Extraction Algorithm Considering Polarization and Texture Information
Optimization of DG-LRG Water Extraction Algorithm Considering Polarization and Texture Information Open
Flooding is one of the most frequent natural disasters at present, and can pose a serious threat to transmission towers. In response to the accuracy and timeliness requirements of flood emergency monitoring, a local region growth algorithm…
View article: Effect of light-burned MgO on the microstructure and electrochemical corrosion behavior of carbonatable protective coatings
Effect of light-burned MgO on the microstructure and electrochemical corrosion behavior of carbonatable protective coatings Open
A novel γ-C2S-MgO-based coatings were developed for steel protection by providing a carbonated layer on the surface of the steel. The effects of light-burned MgO on the coating's microstructure and electrochemical corrosion behavior were a…
View article: Effect of PM2.5 exposure on susceptibility to allergic asthma in elderly rats treated with allergens
Effect of PM2.5 exposure on susceptibility to allergic asthma in elderly rats treated with allergens Open
View article: Testing of biodegraded refashioning waste cable polyethylene film and regulation of recycled polyhydroxyalkanoates
Testing of biodegraded refashioning waste cable polyethylene film and regulation of recycled polyhydroxyalkanoates Open
View article: Tio2-Loaded Halloysite Nanocomposites: Achieving the Uv Resistance and Dielectric Stability of Polyurea
Tio2-Loaded Halloysite Nanocomposites: Achieving the Uv Resistance and Dielectric Stability of Polyurea Open
View article: Effect of Isocyanate Molar Ratio on the Properties of Polyurea-Based Self-Healing Local Insulating Materials with Dynamic Imine Bonds
Effect of Isocyanate Molar Ratio on the Properties of Polyurea-Based Self-Healing Local Insulating Materials with Dynamic Imine Bonds Open
View article: Structural optimisation of oil immersed transformer winding block washers based on WOA‐DRBF surrogate model optimisation strategy
Structural optimisation of oil immersed transformer winding block washers based on WOA‐DRBF surrogate model optimisation strategy Open
In order to reduce the transformer winding hot spot temperature (HST), a dynamic radial basis function surrogate model optimisation strategy is proposed to optimise the structure of the forced oil circulation transformer winding's block wa…
View article: Construction of Poly(S-Triazine-Co-O-Aminophenol) Via Electropolymerization and its Application in Aqueous Charge Storage
Construction of Poly(S-Triazine-Co-O-Aminophenol) Via Electropolymerization and its Application in Aqueous Charge Storage Open
View article: Research on Dynamic Reduced‐Order Model for Fast Calculation of Transient Temperature Field in Transformer Windings
Research on Dynamic Reduced‐Order Model for Fast Calculation of Transient Temperature Field in Transformer Windings Open
To mitigate the potential loss of computational accuracy in the Reduced‐Order Model (ROM) due to modal changes during transformer operation, this paper proposes a dynamic updating method for the ROM. This method enables the model to dynami…
View article: Eco-Friendly and Biodegradable Sta/Aam Hydrogel Composite as a High-Performance Sei Layer for Flexible Aqueous Zinc-Ion Batteries
Eco-Friendly and Biodegradable Sta/Aam Hydrogel Composite as a High-Performance Sei Layer for Flexible Aqueous Zinc-Ion Batteries Open
View article: Load Capacity Improvement of Oil Immersed Transformer by Structural Optimization of Winding Block Washers Based on Woa-Drbf Optimization Strategy
Load Capacity Improvement of Oil Immersed Transformer by Structural Optimization of Winding Block Washers Based on Woa-Drbf Optimization Strategy Open
View article: Comprehensive properties of poly(p-phenylene benzobisoxazole) fiber–reinforced epoxy resin composites based on hydrothermal fluorination/polyethyleneimine–combined activation method
Comprehensive properties of poly(p-phenylene benzobisoxazole) fiber–reinforced epoxy resin composites based on hydrothermal fluorination/polyethyleneimine–combined activation method Open
View article: Low‐frequency noise removal and acoustic spectral distribution assessment method for high‐voltage power transformers with varying service lifetimes
Low‐frequency noise removal and acoustic spectral distribution assessment method for high‐voltage power transformers with varying service lifetimes Open
The acoustic signals of power transformers serve as key indicators for assessing operational statuses and detecting internal mechanical issues. However, low‐frequency noise, such as fan noise, often obscures critical features. This study i…
View article: Calculation and experimental verification of equivalent distributed circuit model based on refined iron core modelling
Calculation and experimental verification of equivalent distributed circuit model based on refined iron core modelling Open
This research introduces an equivalent circuit model and a computational method to address complex mechanical motion issues through electromechanical analogies. The study initially refines core vibration characteristics using single‐ and m…
View article: From Easy to Hard: Progressive Active Learning Framework for Infrared Small Target Detection with Single Point Supervision
From Easy to Hard: Progressive Active Learning Framework for Infrared Small Target Detection with Single Point Supervision Open
Recently, single-frame infrared small target (SIRST) detection with single point supervision has drawn wide-spread attention. However, the latest label evolution with single point supervision (LESPS) framework suffers from instability, exc…
View article: Inversion of the temperature field in oil‐immersed reactors using optimal measurement points selected by random forest
Inversion of the temperature field in oil‐immersed reactors using optimal measurement points selected by random forest Open
To address the subjective issue of selecting measurement points based on mainstream line methods for hotspot temperature inversion in oil‐immersed power equipment, this paper demonstrates an oil‐immersed reactor temperature field inversion…
View article: Partial discharge characteristics of syntactic foam filled with hollow polymer microspheres
Partial discharge characteristics of syntactic foam filled with hollow polymer microspheres Open
Syntactic foam materials, due to their advantages of low densities, low water absorption, and high dielectric strengths, have significant application potential in the cores of post insulators. However, because of a large number of microbub…
View article: Electropolymerization of s-Triazines and Their Charge Storage Performance in Aqueous Acidic Electrolytes
Electropolymerization of s-Triazines and Their Charge Storage Performance in Aqueous Acidic Electrolytes Open
Designing novel π-conjugated conductive polymers with abundant redox-active groups is a viable route to achieve high charge storage performance for aqueous energy storage devices. Electropolymerization is a powerful tool to construct condu…
View article: Improve the insulation performance of air‐insulated gaps: Application of polyurea materials on the ground potential side of transmission line
Improve the insulation performance of air‐insulated gaps: Application of polyurea materials on the ground potential side of transmission line Open
The authors aim to explore the effectiveness of two‐component polyurea materials applied to transmission line towers (on the ground potential side) in improving the insulation performance of the conductor–tower gap. The physicochemical and…
View article: Study on transient electric shock characteristics between human body and metal clothes hanger on residential platform near UHV AC transmission lines
Study on transient electric shock characteristics between human body and metal clothes hanger on residential platform near UHV AC transmission lines Open
With the development of ultra‐high‐voltage (UHV) and extra‐high‐voltage transmission lines in China, the transmission lines are gradually approaching the residential areas. The phenomenon of induced electric shock caused by electrostatic i…
View article: Introducing deep trap states for high dielectric strength of aramid‐based composite films
Introducing deep trap states for high dielectric strength of aramid‐based composite films Open
Aramid nanofiber (ANF)‐based composites have drawn tremendous interest in high‐voltage electrical systems due to their superior insulation strength, thermal stability, and mechanical endurance. However, the filler agglomeration and interfa…
View article: Preparation, characterisation and enhanced fungistatic properties of silicone rubber with different concentrations of CMIT/MIT
Preparation, characterisation and enhanced fungistatic properties of silicone rubber with different concentrations of CMIT/MIT Open
The authors explore the limitations of silicone rubber (SR) in tropical environments due to its lack of antimicrobial activity. The use of a 2‐methylisothiazol‐3(2H)‐one compound with 5‐chloro‐2‐methylisothiazol‐3(2H)‐one is proposed as an…
View article: Microbial adhesion and nanocomposite‐loaded antifouling applications of insulating polymers in transmission lines‐a review
Microbial adhesion and nanocomposite‐loaded antifouling applications of insulating polymers in transmission lines‐a review Open
In regions characterised by high humidity and abundant vegetation, the external insulation materials utilised in high‐voltage transmission and transformation are frequently fouled with a multitude of microorganisms, thereby jeopardising th…
View article: Effect of electric field on bubble generation and dissolution characteristics in oil–paper insulation
Effect of electric field on bubble generation and dissolution characteristics in oil–paper insulation Open
The interturn paper insulation of oil‐immersed power transformer windings, under the combined influence of electric fields, moisture, and conductor heating, will produce bubbles, which pose a significant threat to the insulation system. Ho…
View article: A real-time solution method for three-dimensional steady temperature field of transformer windings based on mechanism-embedded cascade network
A real-time solution method for three-dimensional steady temperature field of transformer windings based on mechanism-embedded cascade network Open
To enhance the computation efficiency and accuracy of three-dimensional steady temperature field of transformer windings, we propose a new non-invasive Reduced Order Model (ROM) based on a mechanism-embedded cascade network. Initially, a s…
View article: Study on moisture absorption characteristics of glass fibre‐reinforced epoxy resin material for composite insulators based on the 3D‐Fick model
Study on moisture absorption characteristics of glass fibre‐reinforced epoxy resin material for composite insulators based on the 3D‐Fick model Open
Long‐term exposure to moisture leads to a gradual deterioration of performance and reduced service life of glass fibre‐reinforced epoxy resin (GFRP) material in composite insulators. Therefore, it is necessary to analyse the moisture absor…
View article: Solar photovoltaic panel soiling accumulation and removal methods: A review
Solar photovoltaic panel soiling accumulation and removal methods: A review Open
Photovoltaic (PV) power generation has become a key area for investment worldwide. Solar PV panels are the core components of PV power generation systems, and the accumulation of soiling on their surfaces has numerous adverse effects on po…