174 Result(s)
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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
Research on AlexNet Model-Based Partial Discharge Diagnosis of Cable Terminals
The main cause of cable accidents is the insulation degradation of cables or terminal joints, and the detection and identification of partial discharges in cables can effectively avoid the safety hazards cause...
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Chapter and Conference Paper
Research on the Influence of Safety Film on the Thermal Field Distribution of Metallized Film Capacitors
Metallized film capacitors are widely applied in power electronics devices due to their large capacitance and high power density, such as support capacitors for flexible DC converter valves. In this paper, the...
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Chapter and Conference Paper
The Effect of Inflation Pressure on the Dielectric Recovery Strength of SF6 Circuit Breakers
SF6 gas is widely used in high-voltage power equipment due to its excellent arc extinguishing performance. During the process of breaking fault current in a circuit breaker, the thermal electrical breakdown probl...
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Chapter and Conference Paper
Study on the Effect of O2 Content on the Decomposition Characteristics of C5F10O Under Different Buffer Gases
In recent years, C5F10O has aroused a lot of notice as a potential SF6 alternative gas. As a new kind of environmentally friendly insulated gas, the research on the effect of O2 content on the decomposition chara...
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Chapter and Conference Paper
Double-Ended Localization Method Based on Joint VMD and WVD Time–Frequency Analysis
The double-end traveling wave method has been increasingly applied and studied for locating cable defects in operation, but the problem of difficulty in accurately matching and synchronizing the pulse signals ...
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Chapter and Conference Paper
Application of Portable Tower Arc Sag Observer in Transmission Line Engineering
The arc sag is the key point of quality control in the erection of transmission lines, and the accuracy of its observation directly affects the operation safety of the line. The research status of arc sag obse...
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Chapter and Conference Paper
Review of Low Voltage Ride Through Testing Techniques for Wind Turbine Generators
With the increasing global share of wind power and the growing installed capacity of grid-connected wind turbines in China, it is of utmost importance to enhance the low voltage ride through (LVRT) capability ...
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Chapter and Conference Paper
A Current Flow Controller with Independent Regulation Capability for HVDC Grid
With the increasing significance of renewable energy and demand for long-distance power transmission and large-scale gridinterconnection, develo** and expandinghigh voltage direct current (HVDC) grids have b...
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Chapter and Conference Paper
Simulation for the Chain Formation of Cellulose Particles in Flowing Transformer Oil Under DC Voltage
The formation of impurity bridges in transformer oil can be altered by the oil flow, which in turn influences the breakdown progress of contaminated oil. In this paper, a solid–liquid two-phase flow model that...
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Chapter and Conference Paper
Study About the Surface Charge Accumulation and Dissipation of Insulators Under Corona Condition
The insulator surface charge buildup issue is a significant element impacting the electric field on the insulator surface in HVDC transmission. The electrostatic probe method is used to measure the surface pot...
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Chapter and Conference Paper
The Prediction of the Dielectric Breakdown Properties of 6% C4F7N–94% CO2 Mixtures at 300–4000 K and 0.1–3.2 MPa
SF6 is a greenhouse gas, therefore, we need to find a SF6 substitute environment gases as an insulation and arc-quenching medium is an urgent for electrical engineer. C4F7N is a promising environmentally friendly...
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Chapter and Conference Paper
Study of Bidirectional Current Flow Controller for Multi-terminal DC Grid
This paper studies the need for DC current flow controllers (DCCFCs) in multi-terminal DC power grids. The DCCFC can regulate power flow and prevent overloading of DC lines, promoting the utilization of renewa...
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Chapter and Conference Paper
Electric Field Simulation and Defect Analysis of Transformer Oil-Paper Capacitive Bushing
In order to study the insulation performance of oil-paper capacitive bushing, the finite element model of 40.5 kV transformer oil-paper capacitive scaled bushing with field strength similar to that of actual 1...
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Chapter and Conference Paper
Low-Cost SiC MOSFET Driver Circuit with Short-Circuit Protection
Silicon carbide (SiC) power devices are becoming increasingly important in the field of DC microgrids and electric vehicles. Compared with conventional silicon semiconductors, the SiC power devices have many a...
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Chapter
Outdoor Thermal Comfort and Heat Exposure Risks
People use outdoor space for a wide range of activities such as exercise, rest and are threats to and well-being. can provide a high-quality urban living environment by meeting the need . and pe...
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Chapter and Conference Paper
Low Updating Frequency Model-Free Predictive Control Using Time-Series Model on PMSM Drives
The model-free predictive control (MFPC) strategy is commonly used to address the problem of weak robustness in model-based predictive control (MBPC). However, due to the estimation algorithm requiring large p...
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Chapter
Introduction
This introductory chapter sets the scene for the book, providing an overview of sustainability in . It illustrates the impact on the living environment, thus affecting and well-being. Interventions to m...
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Chapter
Modelling Urban Microclimates
refers to a distinctive climate of a small-scale area, such as a garden, park, valley, or part of a are both complex and urban microclimate can provide robust measures for analyzing urban physical paramet...
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Chapter and Conference Paper
Reinforcement Learning-Based Controller Parameter Optimization for Photovoltaic Inverters
With the increasing integration of new energy generation, the study of control technologies for photovoltaic (PV) inverters has gained increasing attention, as they have a significant impact on the voltage sta...
