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1,601 Result(s)
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Chapter and Conference Paper
Analysis of Damage Expansion and Mechanical Strength in End Insulation for High-Power AC Motor with Initial Defects
With the rapid development of modern industry, the demand for stable operation of high-power AC motors is increasing. The insulation performance of the stator end winding of the motor directly affects whether ...
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Chapter and Conference Paper
Field Ionization Degree Influence on Discharge Streamer of Natural Ester Based on Ionization Energy Calculation Under Changing Electric Field
During the development of streamer discharge in transformer oil, field ionization is considered to be the main ionization mechanism that causes liquid dielectric streamer breakdown. With the change of the dist...
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Chapter and Conference Paper
The Synergistic Extraction Kinetics of Aluminum and Silicon from High-Alumina Fly Ash by Carbochlorination
In light of the high alumina content (nearly 50%) in , high-alumina fly ash is considered a significant and promising alternative resource . Towards the prevailing issues in the current process of extracting...
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Chapter and Conference Paper
Influence of Oxygen on Characteristic Law of C5F10O/N2 Mixture Partial Discharge Statistical Characteristic
In recent years, C5F10O (Perfluoro(3-methyl-2-butanone), as a potential substitute gas for SF6, has attracted extensive attention from researchers. C5F10O has high molecular freedom and strong energy absorption a...
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Chapter and Conference Paper
Evaluation of Insulation Performance and Life of Epoxy Resin Based on Accelerated Thermal Aging
Epoxy resin (EP) is widely used as insulation materials for high frequency and ultra-high frequency sensors because of its excellent mechanical and electrical properties. Long-term thermal stress can lead to b...
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Chapter and Conference Paper
Effect of Positive Temperature Coefficient Materials on the AC Breakdown Strength and Dielectric Properties of Epoxy Composites
In operation, the negative temperature coefficient (NTC) electrical resistivity characteristics of polymeric insulating materials causes DC electric field distortion within power equipment insulation and lead ...
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Chapter and Conference Paper
Particle-In-Cell/Monte Carlo Collisional Simulation of Space Charge Layer Formation and Development in Nitrogen Negative Streamers
In this paper, the space charge layer formation and development in negative streamers is simulated using a one-dimensional particle-in-cell/Monte Carlo collisional model. The effects of the space charge layer ...
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Chapter and Conference Paper
Dynamic Behavior of Suspended Bubbles in Insulating Oil Correlation with Flow Field Distribution
In recent years, arcing faults inside large oil-immersed power transformers have been frequent. Suspended bubbles, as the main product of high temperature, high humidity, material aging and cracking gas produc...
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Chapter and Conference Paper
Multivariate Model Predictive Control for High Permeability Photovoltaic Microgrid
In order to improve the efficiency of photovoltaic (PV) grid-connected response and reduce the total harmonic distortion rate, a multivariate model predictive control (MPC) strategy for PV inverter grid-connec...
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Chapter and Conference Paper
Optimization of Preparation Work for Communication Operation and Maintenance System Based on Intelligent Auxiliary Module
To address the challenges of acquiring fault data and the time-intensive nature of maintenance task distribution in power communication networks, this paper presents an optimization of preparation work for Com...
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Chapter and Conference Paper
Numerically Investigating Interturn Arcing Faults Inside a UHV Converter Transformer
A succession of ultrahigh-voltage (UHV) converter transformer interturn arcing faults have recently emerged, eventually giving rise to catastrophic fire accidents. For a long time, modeling and analyzing trans...
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Chapter and Conference Paper
Research on Vehicle-To-Grid Interaction Architecture and Typical Patterns Based on Cloud-Net-Edge-End
There are many factors that influence vehicle-to-network interaction, and their interrelationships are complex. In order to systematically analyze the interactions between various stakeholders in the process o...
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Chapter and Conference Paper
Study on Dispersion Characteristics and Drag Reduction Efficiency of Transmission Line Tower Fractal Epitaxial Grounding
Reducing the grounding resistance of transmission line tower is helpful to reduce lightning trip and ensure the safe operation of power system. In response to the problems of difficult construction and high gr...
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Chapter and Conference Paper
Research on Concrete Installation Grounding Scattering Characteristics and External Application Resistance Reduction Strategy
In order to research the problems of grounding dispersion characteristics and resistance reduction efficiency of concrete foundation for wind turbine, this study uses COMSOL Multiphysics simulation software to...
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Chapter and Conference Paper
Analysis of Induced Voltage of a Single-Point Grounded OPGW in 35 kV Distribution Lines
The optical fiber composite overhead ground wire (OPGW) has been widely used in power transmission lines. It can not only serve as an overhead ground wire for lightning protection but also be used for informat...
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Chapter and Conference Paper
Level Set Method Assisted Topology Optimization of Permanent Magnet Synchronous Machine
Aiming at improving material utilization and performance quality of electrical equipment, this paper investigates the level set method (LSM) assisted topology optimization to obtain new electromagnetic structu...
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Chapter and Conference Paper
Comparative Study on International Zero-Carbon Building Certification System Under the Vision of Carbon Neutrality
Under the background of carbon neutrality and peak carbon dioxide emissions, the concept of zero-carbon building has been paid more and more attention, and the transition to low-carbon and zero-carbon has beco...
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Chapter and Conference Paper
Advancements and Applications of Building-Integrated Photovoltaics (BIPV) in China
Power generation in buildings plays an important role in promoting carbon neutrality in the building sector. Building-Integrated Photovoltaic (BIPV) could provide energy (electricity) to buildings and thus dec...
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Chapter and Conference Paper
Lightning Risk Assessment of 330 kV Transmission Line Under Icing Conditions in Qinghai Area
Icing and lightning strikes are the main causes of transmission line faults. Currently, the lightning strike risk assessment methods are too singular. The impact of icing on the electrical performance of the l...
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Chapter and Conference Paper
The Influence Mechanism that Micro Grain-Boundary Structure Parameters of ZnO Varistor to the Macroscopic Electrical Characteristics
ZnO varistors have excellent nonlinear voltage-current characteristics, are widely used in overvoltage protection of electrical equipment. The nonlinear behavior of ZnO varistors is attributed to the double Sc...