The Proceedings of 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023) : Volume IV

• Autore: Dong Xuzhu
• Pubblicazione: Singapore : , : Springer Singapore Pte. Limited, , 2024; ©2024
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (713 pages)
• 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.
• Titolo autorizzato: The Proceedings of 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023)
• ISBN: 981-9974-13-5
• 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 Series