2,062 Result(s)
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Chapter and Conference Paper
Research on Insulator Defect Detection in Power Inspection Images Based on PaddleDetection
Insulators primarily support transmission lines as a shielding control in the electric power system, which exposes them to the elements over an extended period of time and forces them to contend with their sev...
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Chapter and Conference Paper
Construction of a Novel Insulation State Evaluation System for XLPE Cable
The continuous rapid growth of national economy keeps improving the requirement of our electric power infrastructure. The cross-linked polyethylene (XLPE) cable with good insulation and transmission performanc...
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Chapter and Conference Paper
Two-Dimensional Numerical Simulation of Temperature Field Distribution in Transformer Windings
With the rapid development of economy, modern power industry demands more and more transformer capacity. The increase of transformer capacity leads to the increase of heat production during operation and the c...
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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
Chemical Trap Orbital Analysis of Styrene-Grafted Polypropylene for HVDC Cable Insulation
Polypropylene (PP) is regarded as a rather potential insulation material alternative for the next generation HVDC cable system. Grafting styrene is proved to be an effective method to further enhance the DC in...
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Chapter and Conference Paper
Contact Defects Diagnosis and Load Capacity Estimation for Double-Fracture Disconnect Switchgear
At present, there is no effective ways to estimate the contact status and maximum load capacity of the double-fracture disconnect switchgear (DDS), which cause the contact defects cannot be excavated when the ...
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Chapter and Conference Paper
Influence of Insulating Cylinder on Electric Field Inside Cast-Resin Dry-Type Power Transformer
Insulating cylinders are important components in dry-type transformers. Placing an insulating cylinder in the main air channel can effectively reduce insulation distance between LV and HV winding. Therefore, t...
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Chapter
The Coordination Control Strategy of Clustering PCS and Its Application
As the “carbon peak,” “carbon neutral,” “building energy market and data market” have been put forward, the power grid needs to accept a greater challenge. It is necessary to control the energy storage system ...
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Chapter and Conference Paper
Research on the Braking Characteristics of Electromagnetic Eddy Current Braking
With the aim of researching the braking characteristics of the electromagnetic eddy current brake and the influence of various factors on the braking performance, in this paper, a 3D transient field simulation...
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Chapter and Conference Paper
Research on Step Size Distribution in Lightning Path Simulation
Lightning path simulation is of great significance for lightning protection design and lightning warning of transmission lines or buildings. Lightning step size is one of the most important parameters in light...
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Chapter and Conference Paper
The Electrical-Thermal Coupling Simulation of Grafted Polypropylene Used in High-Voltage Direct Current Cables
Under direct current (DC) operation conditions, local electric field in insulation layer will be distorted, leading to insulation failure. Since the conductivity of insulating materials generally corresponds p...
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Chapter and Conference Paper
Design and Research of Three-Stage Reactor of Carbonation Process of Calcified Residue
A three-stage reactor was innovatively designed in this study to conduct an experimental study on of process of calcified slag. The pH changes during CO2 absorption by NaOH were measured by a pH meter. The ...
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Chapter and Conference Paper
Simulation and Analysis of Charge Distribution and Capacitance Effect on Uneven Surface of Dielectric with Leakage Current
Insulation parts made of materials with the characteristics of dielectric and conductive media not only have capacitance and conductance effects between electrodes, but also have capacitance effects between ad...
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Chapter and Conference Paper
Development and Experimental Study of High-Temperature Superconducting Central Solenoid Model Magnet for Tokamak
High-temperature superconducting (HTS) magnet system is the key to achieving compact, high-performance, low cooling cost, and stable operation of Tokamak devices. In this work, a HTS central solenoid (CS) mode...
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Chapter and Conference Paper
Analysis for Typical Fault of 12.5 kV Cabinet Bushing Based on Electro-Thermal Coupling Simulation
The cases of transformer outlet short circuit caused by the failure of cabinet bushing in the GIS are relatively common in the operation of the power grid. This article establishes an electro-thermal coupling ...
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Chapter and Conference Paper
Research on Using Carbide Slag to Mineralize the Carbon Dioxide in Electrolytic Aluminum Waste Gas
This study proposes the technology of using waste carbide slag to treat carbon dioxide in the tail gas of and innovatively designs gas–liquid–solid three-stage reactor. The ability of Ca(OH)2 slurry to absorb...
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Chapter and Conference Paper
Electric Field Characteristic and Corona Performance of 1000 kV AC for High-Altitude Transmission Lines
Due to the uneven distribution of energy resources across China, transmitting electricity from the west to the east is an important solution. However, some regions in western China have an altitude exceeding 4...
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Chapter and Conference Paper
Simulation of Space Charge Characteristics of Epoxy Materials at High Temperature
The main insulating material of converter transformer bushing is epoxy composite material, epoxy composite material has prominent interface effect and obvious space charge accumulation under high temperature, ...
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Chapter and Conference Paper
Study on Charge Accumulation Characteristics of Basin Insulators with Polarity Reversal
The insulator of a DC gas-insulated transmission line (DC-GIL) will accumulate surface charge under the action of polarity reversal, leading to the risk of flashover. In this paper, the actual GIL model was us...
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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...
