The Proceedings of 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023) : Volume IV / / edited by Xuzhu Dong, Li Cai

• Autore: Dong Xuzhu
• Pubblicazione: Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2024
• Edizione: 1st ed. 2024.
• Descrizione fisica: 1 online resource (713 pages)
• Disciplina: 621.31
• Soggetto topico: Electric power production; Electronics; Electrical Power Engineering; Electronics and Microelectronics, Instrumentation
• Altri autori: CaiLi
• Nota di contenuto: Intro -- Contents -- A New Grounding Mode for Suppressing Circulating Currents of Submarine Cables -- 1 Introduction -- 2 The Proposed New Grounding Mode -- 3 Numerical Validations -- 4 Conclusions -- References -- Preparation and Anti-icing Properties of Chemically Etched Superhydrophobic Aluminum Surface -- 1 Introduction -- 2 Experimental Section -- 2.1 Materials -- 2.2 Sample Preparation -- 2.3 Experiment Method -- 3 Results and Discussion -- 3.1 Effect of Solution Concentration on Surface Wettability of Aluminum Surface Samples -- 3.2 The Effect of Etching Time on the Surface Wettability of Aluminum Surface Samples -- 3.3 Microscopic Morphology and Wettability of Superhydrophobic Aluminum Surface -- 3.4 Ice Coating Characteristics of Superhydrophobic Aluminum Surface -- 4 Conclusion -- References -- Research on High Voltage Pulse Ice-Breaking Technology -- 1 Introduction -- 2 Simulation Model Construction -- 3 Simulation Results and Analysis -- 3.1 Selection of Observation Points -- 3.2 Influence of Excitation Intensity on Electric Field Intensity of Observation Points -- 3.3 Effect of Pulse Rising Edge on Electric Field Intensity at Observation Points -- 3.4 Influence of Electrode Position on Electric Field Intensity of Observation Points -- 3.5 Research on Breakdown Conditions of Crescent-Shaped Ice Accumulation Observation Points -- 4 Conclusion -- References -- Design and Implementation of Electric Field-Induction Based Energy Harvesting System for High Voltage Power Transmission Lines -- 1 Introduction -- 2 Overall System Structure -- 3 System Analysis and Optimal Design -- 3.1 System Analysis and Output Power Promotion -- 3.2 Optimal Design of Energy Harvesting Plates -- 3.3 Charge and Discharge Process Design -- 4 System Simulation Verification -- 4.1 Simulation of Power Output Characteristics -- 4.2 Simulation of System Safety. ; 5 System Experiment Verification -- 5.1 Experimental Setup -- 5.2 Experimental Results -- 6 Conclusion -- References -- Defect Identification Method Based on Casing Internal Temperature Variation -- 1 Introduction -- 2 Thermal Analysis of Oil Paper Capacitor Bushing -- 3 The Effect of Internal Moisture on the Temperature Rise of Oil-Paper Casing -- 3.1 The Insulation Oil is Evenly Damped -- 3.2 Moisture on the Final Screen -- 3.3 Zero Screen Moisture -- 4 Conclusion -- References -- Influence of Main Shield Voltage Distribution Configuration on the Post-arc Sheath Development of Vacuum Interrupters -- 1 Introduction -- 2 Particle Simulation and Results -- 2.1 Particle Simulation Model -- 2.2 Simulation Results -- 3 Probe Diagnosis Experimental and Results -- 3.1 Experimental Setup -- 3.2 Experimental Results -- 4 Conclusions -- References -- Simulation Study on Spatial Distribution Characteristics of Partial Discharge UHF Signal in Transformer Outlet Device -- 1 Introduction -- 2 The Establishment of Simulation Model -- 3 Evaluation of UHF Signal Propagation Characteristics -- 4 Examination of the Impact of Partial Discharge on Waveform Analysis -- 5 Summary -- References -- Temperature Field Simulations of Three-Layer Extrusion in 110 kV Grafted Polypropylene Power Cables -- 1 Introduction -- 2 Samples Preparation and Test -- 2.1 Samples Preparation -- 2.2 Samples Test -- 2.3 Test Results -- 3 Thermal Field Simulation and Analysis -- 3.1 Simulation Model and Parameters -- 3.2 Simulation Results and Discussion -- 4 Conclusions -- References -- The Electrical-Thermal Coupling Simulation of Grafted Polypropylene Used in High-Voltage Direct Current Cables -- 1 Introduction -- 2 Methods -- 2.1 Materials and Sample Preparation -- 2.2 Experiment -- 3 Results -- 3.1 FT-IR Characteristics -- 3.2 Volume Conductivity -- 4 Simulation. ; 4.1 Conductivity-Temperature-Electric Field Dependence -- 4.2 Model and Parameter Setting -- 5 Conclusion -- References -- Optimization Technology of Finite Element Stepper Motor Based on Parametric Modeling -- 1 Introduction -- 2 Parametric Modeling of HSM Based on ANSYS -- 2.1 Model Parameter Formulation -- 2.2 Rotor Parametric Modeling -- 2.3 Stator Parametric Modeling -- 3 HSM Optimization Based on Parametric Model -- 3.1 The Influence of Tooth Width Angle Pitch Angle Ratio on HSM Performance -- 3.2 The Influence of Stator Pitch Angle on Cogging Torque and Holding Torque -- 3.3 Rotor, Stator Different Tooth Width Pitch Angle Ratio -- 4 Conclusion -- References -- Research on Several Key Technologies for the Development of Power Analyzer -- 1 Introduction -- 2 System Solution Design -- 3 Part of the Hardware Circuit Design -- 3.1 Attenuation Circuit -- 3.2 ADC Data Acquisition Module -- 4 FPGA Functional Module Design -- 4.1 Data Cache Module -- 4.2 UDP Module -- 4.3 AXI-Based Tri-Mode Ethernet Module -- 4.4 Optical Conversion Codule -- 5 Simulation and Experiment -- 6 Conclusion -- References -- Experimental and Simulation Verification of the Effects of Different Metal Particle Impurities on the Electrical Properties of Alumina/Epoxy Composites for GIL Insulators -- 1 Introduction -- 2 Experiment -- 3 Results and Discussion -- 3.1 Element Analysis and Micro-morphology Analysis -- 3.2 Glass Transition Temperature -- 3.3 Permittivity and Tan Delta -- 3.4 Power Frequency Breakdown Strength and Volume Resistivity -- 4 Simulation -- 4.1 Model Setup -- 4.2 Theoretical Numerical Prediction Formula -- 4.3 Random Distribution of Metal Impurity Particles by Monte Carlo Method Based on Latin Hypercube Sampling -- 4.4 Boundary Conditions and Equivalence Principle -- 4.5 Simulation Results -- 5 Conclusions -- References. ; Research on 10 kV Nonlinear Materials Terminal Accessories for Polypropylene-Insulated Cables -- 1 Introduction -- 2 Simulation Model -- 3 Results and Analysis -- 4 Conclusion -- References -- Mechanism of Surface Charge Regulation with Nonlinear Conductivity Coating in C4F7N/CO2 Mixture -- 1 Introduction -- 2 Experimental Setup -- 2.1 Coating Manufacturing Processes -- 2.2 Experimental System and Test Processes -- 3 Results and Discussion -- 3.1 The Results of Surface Potential Measurements -- 3.2 Mechanism of Charge Regulation -- 4 Conclusion -- References -- Prediction Model of Strong Electromagnetic Effect Phenomenon Based on Complement Naive Bayes -- 1 Introduction -- 2 Methodology -- 2.1 Complement Naive Bayes -- 2.2 Term Frequency-Inverse Document Frequency -- 2.3 Probabulistic Calibration -- 2.4 StratifiedKFold -- 3 Experiment -- 3.1 Data Pre-Processing -- 3.2 TFIDF-CNB Model Training -- 3.3 Result -- 4 Conclusion -- References -- Evaluation and Optimization Schemes of Eddy Current Loss on Structural Components for High Voltage Converter Transformer -- 1 Introduction -- 2 Method Description -- 2.1 Leakage Magnetic Field Analysis and Eddy Current Loss Calculation -- 2.2 Main Parameters and Simulation Model -- 3 Estimation and Determination of Shielding Schemes -- 3.1 Determination of Shielding Scheme on Lower Clamps -- 3.2 Scheme Comparison for Eddy Current Loss of Structural Components -- 3.3 Shielding Evaluation on Oil Tank -- 3.4 Overall Leakage Flux Control Scheme and Results -- 4 Experimental Results and Validation -- 4.1 Experimental Test Process -- 4.2 Experimental Results and Analysis -- 5 Conclusion -- References -- Simulation Study on Spread Characteristics of Wildfire Near Transmission Lines -- 1 Introduction -- 2 Methods -- 2.1 Wildfire Spread Model -- 2.2 Cellular Automata Wildfire Spread Rules -- 3 Simulation of Wildfire Spread. ; 3.1 Selection of Step -- 3.2 No Wind, Flat, and Even Combustible Materials -- 3.3 Windy, Flat, and Even Combustible Materials -- 3.4 No Wind, Uneven, and Even Combustible Materials -- 4 Example Analysis of a Fire Scene Below a Transmission Line -- 5 Results -- References -- Modeling and Simulation of the Dynamic Characteristics of Vacuum Arc in DC Interruption Based on Artificial Current Zero When the Current is Close to Zero -- 1 Introduction -- 2 Physical Model and Assumptions -- 2.1 Physical Model -- 2.2 Modeling Assumptions -- 2.3 Boundary Conditions -- 3 Simulation Results and Discussion -- 3.1 Ion Number Density -- 3.2 Axial Current Density -- 3.3 Ion Pressure -- 3.4 Ion Temperature -- 3.5 Electron Temperature -- 4 Conclusions -- References -- Design and Simulation Analysis of a New Cylindrical Permanent Magnet Linear Motor for Vortex-Induced Vibration Ocean Current Power Generation -- 1 Introduction -- 2 Principle of Vortex-Excited Vibration Power Generation -- 2.1 Vortex-Excited Vibration Energy Capture Principle -- 2.2 Structure and Principle of Cylindrical Permanent Magnet Linear Generator -- 3 Secondary Permanent Magnet Array Without Primary -- 3.1 Permanent Magnet Magnetization Mode -- 3.2 Effect of Polar Arc Coefficient on Air Gap Magnetic Field -- 3.3 Effect of Permanent Magnet Thickness on Air Gap Magnetic Field -- 4 Linear Motor Model with Primary Core -- 4.1 Influence of the Pole Arc Factor on Linear Motors After the Addition of Primary Motors -- 4.2 Effect of Permanent Magnet Thickness and Backing Iron Thickness on Linear Motors -- 5 Load Characteristics of Linear Motors -- 6 Conclusion -- References -- 3D Pic-Mcc Simulation of Particles Expansion for Straight Curved Contact and Butt Contact in the Post-arc Phase -- 1 Introduction -- 2 Simulation Models -- 3 Results and Discussion -- 4 Conclusion -- References. ; The Electric-Thermal Characteristics of 110 kV Transformer RIP Bushings Based on Electromagnetic-Thermal-Fluid Analysis.
• Sommario/riassunto: This book includes original, peer-reviewed research papers from the 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023), held in Wuhan, China. The topics covered include but are not limited to: insulation, discharge computations, electric power equipment, and electrical materials. The papers share the latest findings in the field of insulation and discharge computations of electric power equipment, making the book a valuable asset for researchers, engineers, university students, etc.
• Titolo autorizzato: The Proceedings of 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023)
• ISBN: 9789819974139; 9819974135
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910799244203321
• Lo trovi qui: Univ. Federico II
• Serie: Lecture Notes in Electrical Engineering, . 1876-1119 ; ; 1103