The proceedings of the 18th Annual Conference of China Electrotechnical Society [[electronic resource] ] : Volume VII / / edited by Qingxin Yang, Zewen Li, An Luo

• Autore: Yang Qingxin
• Pubblicazione: Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2024
• Edizione: 1st ed. 2024.
• Descrizione fisica: 1 online resource (906 pages)
• Disciplina: 621.3
• Soggetto topico: Electrical engineering; Electronics; Electric power production; Electronic circuits; Electrical and Electronic Engineering; Electronics and Microelectronics, Instrumentation; Electrical Power Engineering; Electronic Circuits and Systems
• Altri autori: LiZewen LuoAn
• Nota di contenuto: Intro -- Contents -- RUL Prediction Method of Series Battery Based on Improved Limit Learning Machine -- 1 Introduction -- 2 Extraction of Characteristic Parameters of Series-Connected Battery Recession -- 2.1 Energy Signature -- 2.2 Time Interval for Charging Voltage Rise -- 2.3 Standard Deviation Signal (Electronics) -- 2.4 Charge Current Drop Interval -- 2.5 Skewness Signal -- 3 RUL Prediction Method for Series-Connected Batteries -- 3.1 Establishment of Battery RUL Prediction Model Based on Improved Limit Learning Machine -- 3.2 Quantification of Uncertainty in Forecast Results -- 4 Analysis of Experimental Arguments -- 4.1 Experimental Preparation -- 4.2 Description of the Experiment -- 4.3 Analysis of Projected Results -- 5 Summarize -- References -- Impulse Flashover Characteristics of High-Voltage Post Insulators in High Altitude Areas -- 1 Introduction -- 2 Methodology -- 2.1 Test Equipment -- 2.2 Test Setup -- 2.3 Test Sample -- 2.4 Test Procedure -- 3 Results -- 3.1 Lightning Impulse Flashover Testing Results -- 3.2 Operating Impulse Flashover Testing Results -- 4 Conclusion -- References -- Multi-agent Distributed Cooperative Control of Multi-energy Complementary Microgrid -- 1 Introduction -- 2 Multi-energy Complementary Microgrid and Microgrid Control Mode -- 2.1 Main Advantages of Microgrid Over Traditional Grid Power Supply -- 2.2 Microgrid Control Strategy -- 2.3 Microgrid Control Mode -- 2.4 Typical Microgrid Control Technology -- 3 Multi-agent System (MAS) -- 4 Distributed Generation and Distributed Management Control System -- 5 Design of Collaborative Control System -- 5.1 Microgrid Collaborative Control Technology -- 5.2 Microgrid Control Strategy Based on Multi-agent Distributed Algorithm -- 5.3 System Design Scheme -- 6 Simulation Experiment of Cooperative Control -- 6.1 Grid-Connected Operation Mode. ; 6.2 Island Operation Simulation -- 7 Conclusions -- References -- Effect of Low Temperature on Impulse Discharge Characteristics of Insulator String -- 1 Introduction -- 2 Test Arrangement and Method -- 2.1 Sample -- 2.2 Experimental Setup and Method -- 3 Test Results and Analysis -- 4 Conclusions -- References -- Research on Rapid Cooling Technology for High Temperature Copper Parts -- 1 Introduction -- 2 Heating Analysis of Copper Part -- 2.1 Heating of Copper Part -- 2.2 Phase Change Cooling Scheme -- 3 Cooling Device and Test -- 3.1 Principle of Active Phase Change Cooling -- 3.2 Test Platform Construction and Test -- 4 Analysis of Test Results -- 5 Conclusion -- References -- Optimal Dispatching of Distribution Network Considering Inverter Air Conditioner Aggregation -- 1 Introduction -- 2 Mathematical Model of Inverter Air Conditioner Aggregation and Optimization -- 2.1 Room Thermal Modeling -- 2.2 Electrical Parameter Relationships -- 2.3 Demand Response Control Strategy -- 2.4 Objective Function -- 2.5 Constraints -- 3 Regulatory Potential Assessment and External Characterization -- 3.1 Parameter Initialization -- 3.2 Load Reduction with Different Number of Air Conditioners -- 3.3 Load Reduction with Different Outdoor Temperature -- 3.4 Load Reduction with Different Temperature Regulation -- 4 Numerical Results -- 4.1 Example Settings -- 4.2 Optimized Scheduling Results -- 5 Conclusion -- References -- Research on Coding Method of Polarization PLC System Based on Upper Bound of Bhattacharyya Parameter -- 1 Introduction -- 2 Basic Principle of Polar Code -- 2.1 Code Word Construction -- 2.2 Encoding -- 2.3 Decoding -- 3 Polarization PLC Channel Coding System -- 3.1 Transfer Probability of the PLC Channel -- 3.2 Reliability Estimation of Polarization PLC Channels -- 4 Simulation Experiment and Result Analysis -- 4.1 PLC Channel Simulation Model. ; 4.2 Result Analysis -- 5 Conclusion -- References -- A Preventive Maintenance Strategy of Wind Turbine Gearbox Based on Stochastic Differential Equation -- 1 Introduction -- 2 Gearbox State Degradation Model -- 2.1 Model of SDE -- 2.2 Failure Rate Model -- 2.3 Stochastic Perturbation Model -- 2.4 Parameter Solution -- 3 Analysis of Preventive Maintenance Strategies Based on Condition Modelling -- 3.1 Theoretical Analysis of CBM Strategies -- 3.2 Theoretical Analysis of TBM Strategies -- 4 Example Analyses -- 5 Conclusion -- References -- Research Status of Contact on Breaking Performance of High Voltage Circuit Breaker -- 1 Introduction -- 1.1 High Voltage Circuit Breaker Development History -- 1.2 Life Evaluation Status of High Voltage Circuit Breakers -- 1.3 Reliability Evaluation Status of High Voltage Circuit Breakers -- 2 Influence of Contact Characteristics on Breaking Performance -- 2.1 Contact Resistance -- 2.2 Resistance to Arc Welding and Low Ablation Rate -- 2.3 Arc Root Migration -- 2.4 Dam a River -- 3 Research Status of Electric Contacts -- 3.1 Nano-Contact Materials -- 3.2 Doped Modified Contact Material -- 4 Conclusion -- References -- Simulation of Flow Characteristics in High-Voltage Circuit Breakers -- 1 Introduction -- 2 Methodology -- 2.1 Governing Equations -- 2.2 Supersonic Flow -- 2.3 Nozzle Geometry and Boundary Conditions -- 2.4 Simulation Conditions -- 3 Results and Discussion -- 3.1 Features of the Cold Flow in the Nozzle Area -- 3.2 The Influence of Outlet Condition -- 3.3 The Influence of the Smoothness Geometry of Nozzle Throat -- 3.4 The Influence of Position of Downstream Electrodes -- 4 Conclusion -- References -- Optimal Configuration of Hybrid Energy Storage Capacity Based on Improved Compression Factor Particle Swarm Optimization Algorithm -- 1 Introduction -- 2 The Constitution of Energy Storage Model. ; 2.1 Hybrid Energy Storage System Topology -- 3 Optimization Objectives and Constraints -- 3.1 Full Life Cycle Costs -- 3.2 Objective Function -- 3.3 Electricity Supply Reliability Indicators -- 3.4 Restrictive Condition -- 4 Solution Method -- 4.1 Particle Swarm Algorithm -- 4.2 Improved Compression Factor Particle Swarm Algorithm -- 5 Example Simulation and Discussion -- 5.1 Parameter Setting of Example -- 5.2 Simulation Results and Analysis of Examples -- 6 Conclusion -- References -- A Novel SVM-Based Transient Protection Algorithm for Transmission Lines -- 1 Introduction -- 2 Constructing the Presented Algorithm -- 2.1 High Frequency Signal Propagation Characteristics of Busbars -- 2.2 Algorithm of the Presented Protection -- 3 Algorithm Application Verification -- 3.1 Simulation Cases -- 3.2 Fault Diagnosis Using SVM -- 4 Conclusions -- References -- Effect of Ion Types on Arc Erosion of Circuit Breaker Contact: Molecular Dynamics Simulation Study -- 1 Introduction -- 2 Positive Ions in SF6 arc Plasma -- 3 Simulation Methodology -- 4 Results and Discussion -- 5 Conclusion -- References -- Research on the Delay Characteristics of 5G Communication Networks for Regional Protection in Power Distribution Grids -- 1 Introduction -- 2 Distribution Network Area Protection Architecture -- 2.1 Centralized Architecture -- 2.2 Intelligent Distributed Architecture -- 2.3 Regional Centralized Architecture -- 3 5G Bearing Area Protection -- 4 Regional Protection Delay Analysis -- 4.1 Centralized Protection Delay -- 4.2 Intelligent Distributed Protection Delay -- 4.3 Regional Centralized Protection Delay -- 5 Simulation and Analysis -- 5.1 Different End-to-End Delays of Three Architectures -- 5.2 Different End-to-End Delay with Varying Routing Parameters in Regional Centralized Architecture -- 6 Conclusion -- References. ; Distributed Reactive Power Control Scheme for Parallel Inverters Based on Virtual Impedance -- 1 Introduction -- 2 Microgrid Parallel Inverter Model Considering Circulating Current -- 3 Analysis of Reactive Power Distribution Problems -- 3.1 Analysis of Reactive Power Distribution Problem Based on Virtual Impedance -- 3.2 Analysis of Distributed Reactive Power Distribution with Virtual Impedance Without Communication -- 4 Distributed Optimization Control Scheme for Parallel Inverters -- 4.1 Distributed Optimization Virtual Impedance Control Theory -- 4.2 Distributed Optimization Process of Virtual Impedance -- 4.3 Secondary Regulation of Voltage and Frequency -- 5 Experiment and Simulation Analysis -- 6 Conclusion -- References -- On Line Estimation of Power Line Channel Impedance Based on Transfer Function -- 1 Introduction -- 2 Theoretical Basis -- 3 Impedance and Transfer Function Mapping Based on Neural Network Model -- 3.1 Parameters of PLC Network Model -- 3.2 BP Neural Network Parameters -- 3.3 Analysis of Training and Test Results -- 4 Hardware Test -- 4.1 Sample Collection -- 4.2 Sample Processing -- 4.3 Impedance Identification -- 5 Conclusion -- References -- Research on Insulator Defect Detection Based on Improved YOLOv7 -- 1 Introduction -- 2 Algorithm Improvement Based on YOLOv7 -- 2.1 Improvement of Attention Mechanism -- 2.2 Improvement of the Feature Pyramid -- 2.3 Adjustment of Loss Function -- 3 Experimental Result and Analysis -- 3.1 Production of Data Sets -- 3.2 Configuration of the Experimental Environment -- 3.3 Test Index -- 3.4 Analysis of Experimental Results -- 4 Conclusion -- References -- Field Application of Switchgear Abnormal Noise Detection Based on Acoustic Imaging Technology -- 1 Introduction -- 2 Detection Method -- 3 On-Site Case -- 3.1 Case 1-Abnormal Noise of Mechanical Looseness. ; 3.2 Case 2-Abnormal Noise of Mechanical Looseness.
• Sommario/riassunto: This book gathers outstanding papers presented at the 18th Annual Conference of China Electrotechnical Society, organized by China Electrotechnical Society (CES), held in Nanchang, China, from September 15 to 17, 2023. It covers topics such as electrical technology, power systems, electromagnetic emission technology, and electrical equipment. It introduces the innovative solutions that combine ideas from multiple disciplines. The book is very much helpful and useful for the researchers, engineers, practitioners, research students, and interested readers.
• Titolo autorizzato: The proceedings of the 18th Annual Conference of China Electrotechnical Society
• ISBN: 981-9710-72-3
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910842491403321
• Lo trovi qui: Univ. Federico II
• Serie: Lecture Notes in Electrical Engineering, . 1876-1119 ; ; 1169