Proceedings of the 3rd International Symposium on New Energy and Electrical Technology

Preface Organization Contents Power System and Electrical Equipment’s Performance Monitoring Data-Driven Load Forecasting Method for 10 kV Distribution Lines 1 Introduction 2 Obtaining Power Characteristics for 10 kV Distribution Lines 3 Setting Load Transfer Thresholds 4 Data-Driven Construction of Load Forecasting Models 5 Experimental Tests 5.1 Experimental Preparation 5.2 Experimental Results 6 Conclusion References Study on 18-Pulse Unbalanced D-Type Auto Transformer Rectifier 1 Introduction 2 Analysis of Variable Boost Ratio Auto Transformer Rectifier 2.1 System Structure 2.2 Analysis of Voltage Boost and Buck Principle 2.3 Output Voltage 3 Simulation and Experimental Analysis of D-Type Variable Boost Ratio 18-Pulse ATRU 3.1 Design Performance 3.2 Simulation Analysis 3.3 Experimental Verification 4 Conclusion References Design and Analysis of a 500W 120000rpm High-Speed Permanent Magnet Motor 1 Introduction 2 Effect of Pole-Slot Combinations on Torque 2.1 Airgap Magnetic Field Distribution 3 Conclusion References GPS-PPP Transmission Line Geological Hazard Micro Displacement Monitoring and Early Warning 1 Introduction 2 Micro Displacement Algorithm Design and Software Implementation of GPS-PPP 3 Hardware Design of GPS-PPP Micro-displacement Monitoring 4 Test Data and Performance Analysis 5 Conclusions References Analysis of the Influence of PSVR Access on Dynamic Power-Angle Characteristics of Generatorh 1 Introduction 2 PSVR 3 A Linearized Model of Single-Machine Infinite-Bus Power System with PSVR 4 Dynamic Power-Angle Characteristics of the Generator 4.1 Influence of Gain Coefficient of PSVR 4.2 Influence of Time Constant of PSVR 5 Conclusion References Application of YOLOv5 in Device Detection of Hydropower Station 1 Introduction 2 Related Work 2.1 Object Detection 2.2 Device Detection 3 Method 3.1 YOLOv5 Structure 3.2 The Introduction of Dataset 3.3 Evaluation Indicator 4 Experiment 4.1 Experimental Platform 4.2 Experimental Data 4.3 Result and Analysis 5 Conclusion References Bidirectional Communication Between Parallel Buck Converters 1 Introduction 2 Principles of Bidirectional PSST in Parallel Buck Converters 3 Ripple Analysis of Parallel Buck Converters with Bidirectional Communication 4 Demodulation Approaches Based on the DC Bus Voltage 5 Simulations Verification 6 Conclusions References Research on Life Prediction Method of Motor Bearings 1 Introduction 2 Feature Extraction and Fitting 2.1 Feature Extraction 2.2 Feature Fitting Based on Weibull Distribution 3 Life Prediction Methods 3.1 SFAM Neural Network 3.2 Life Prediction 4 Validation 5 Conclusion References Electromagnetic Thermal Coupled Analysis of a Multiple Three-Phase Fractional Slot Concentrated Winding Fault-Tolerant Motor 1 Introduction 2 Multiple Three-Phase FSCWM 2.1 Scheme of Fault-Tolerant Motor 2.2 Thermal Model of FSCWM 3 Simulation Results 3.1 Healthy Operation 3.2 Open-Circuit Operation 3.3 Short-Circuit Operation 4 Test Validation 5 Conclusion References Hairpin Winding Topology and the Influence on Traction Motor Performance for EV Applications 1 Introduction 2 Design Overview 2.1 Specifications 2.2 Electromagnetic Analysis 2.3 Thermal Analysis 3 Influence of Hairpin Winding Layers 3.1 Design Parameter 3.2 Electromagnetic Results 3.3 Thermal Results 4 Conclusions References Distributed Multi-level Hierarchical Cross-Chain Power Trading Model 1 Introduction 2 Blockchain Technology 3 Distributed Multi-level Hierarchical Cross-Chain Power Trading Model 3.1 Overall Structure of the Model 3.2 Regional Blockchain 3.3 Hierarchical Blockchain 3.4 Hierarchical Cross-Chain Transaction Nodes 3.5 Cross-Chain Consensus Algorithm 3.6 Transaction Data Structure 4 Model Analysis 4.1 Block Information Statistics Time 4.2 Transaction Processing Performance 5 Conclusion References Interturn Short-Circuit Fault Detection of PMSM by High-Frequency Signal Injection Method 1 Introduction 1.1 A Subsection Sample 2 PMSM Model in Fault Condition 3 Fault Diagnosis 3.1 HF Injection 3.2 Fault Diagnosis 4 Simulation Validation 5 Conclusions References Analysis and Suppression of the Capacitor Voltage Ripple for Hexverter-Based Modular Multilevel Converters 1 Introduction 2 Hexverter Topolgy Basics 3 Hexverter Capacitor Voltage Fluctuation 4 Hexverter Capacitor Voltage Ripple Suppression 4.1 Capacitance Ripple Suppression 4.2 Switching Loss Minimization 5 Simulation Results and Discussion 5.1 Equal Reactive Power of the Input and Output Systems 5.2 Unequal Reactive Power of the Input and Output Systems 6 Conclusion References Luenberger Disturbance Observer Based Model Predictive Current Control for Vienna Rectifier Combined with Super-Twisting Sliding Mode Voltage Control 1 Introduction 2 Mathematical Model of Three-Phase Vienna Rectifier 3 Voltage Outer Loop Controller Based on STSM 3.1 Design of Super-Twisting Sliding Mode Controller 3.2 Proof of Stability 4 Current Inner Loop Controller Based on FCS-MPC 4.1 Voltage Vector of Vienna Rectifier 4.2 FCS-MPC for Vienna Rectifier 4.3 Model Predictive Control Based on Luenberger Disturbance Observer 5 Simulation Analysis 5.1 Simulation Comparison of Dynamic Performance 5.2 Simulation Comparison of Steady-State Performance 5.3 Parameter Mismatch Simulation 6 Conclusion References The Electromagnetic Immunity Test Method and Application Based on Vehicle Steering Auxiliary Equipment 1 The Introduction 2 Test Methods and Evaluation Criteria 2.1 Test Methods 2.2 Evaluation Criteria 3 Control Principle of Vehicle Steering Auxiliary Equipment 3.1 Collection and Analysis of Test Data 3.2 Motor Control Strategy 4 Investigation and Localization of Test Results 5 Conclusions References Suppression of Muzzle Arc in Electromagnetic Gun Based on Reversely Switched Dynistor 1 Introduction 2 Operation Mechanism 2.1 Operation Mechanism of RSD 2.2 Arc Suppression Equipment Based on RSD 3 Simulation of Current Transfer Process Based on RSD 4 Experimental Validation of Arc Suppression Equipment Based on RSD 5 Conclusion References Life Prediction of Rolling Bearing Based on Bidirectional GRU 1 Introduction 2 Theoretical Basis 2.1 Gate Recurrent Unit 2.2 Feature Filtering 2.3 Segment Residual Life Prediction 3 Experiment 3.1 Data Description 3.2 Experimental Verification 4 Conclusion References Linear Extended State Observer Based Model Predictive Control for Non-isolated Two-Stage Inverter 1 Introduction 2 Model and Control Strategy of Non-isolated Two-Stage Inverter 2.1 Model Predictive Control of Three-Phase Interleaved Parallel Boost Converter 2.2 Predictive Direct Power Control for Three-Phase Inverter 2.3 Design of LESO 3 Simulation and Experiment 3.1 Simulation Analysis 3.2 Experiment Analysis 4 Conclusion References Short-Term Load Forecasting of Power System Based on Support Vector Machine Theory 1 Introduction 2 Sample Selection and Preprocessing for Load Forecasting 2.1 Feature Selection of Samples 2.2 Determination of Training and Testing Samples 3 Normalization of Load Data 4 Methods of Kernel Function Construction, Selection and Parameter Optimization 5 Summary References Effect and Resolution of Parasitic Inductance of on Current Sharing for Parallel SiC MOSFETs 1 Introduction 2 Analysis of the Influence of Parasitic Inductance on Current Sharing 2.1 Effect of the Drain Inductance 2.2 Effect of the Source Inductance 2.3 Effect of the Gate Inductance 3 Simulation Analysis 3.1 Influence of the Drain Parasitic Inductance 3.2 Influence of the Source Parasitic Inductance 3.3 Influence of the Gate Parasitic Inductance 4 Improvement Method of Differential Mode Choke 4.1 Working Principle of Differential Mode Choke 4.2 Simulation Tests 4.3 Design of a Differential Mode Choke 5 Conclusions References Charging Load Prediction Model of Electric Taxi Considering Dynamic Road Network 1 Introduction 2 Electric Taxi Load Prediction 2.1 Road Network Topology 2.2 Road Network Path Resistance Function 2.3 Electric Taxi Tracks 3 Lectric Taxi Charging Load Prediction 4 Case Analysis 4.1 Simulation Results and Analysis 5 Conclusion References Analysis on Small-Signal Stability of High Permeability Wind Power System Considering Wake Effect 1 Introduction 2 DFIG Modeling Based on PMT 2.1 PMT 2.2 DFIG Modeling 3 Influence of Wake Effect 4 Case Study 4.1 Case system 4.2 Case 1 4.3 Case 2 5 Conclusion References Post-mortem Analysis of Anode Degradation Caused by Fast Charging in Lithium-Ion Battery 1 Introduction 2 Experimental Tests 3 Battery Dissembling 4 Results 4.1 SEM Scanning Electron Microscopy Analysis 4.2 Energy-Dispersive X-Ray Spectroscopy Analysis 5 Conclusion References Power & Signal Synchronous Transmission Strategy for Three-Phase Voltage Source Rectifier 1 Introduction 2 PSST Strategy for Three-Phase VSR with FSK Modulation 3 Experimental Test 4 Conclusions References Model Predictive Control with Active Sensor Noise Suppression for Dual Active Bridge Converter 1 Introduction 2 Description of DAB Converter 3 Sensor Noise Effect Analysis and Suppression for MPC 3.1 Classical CCS-MPC for DAB Converter 3.2 Sensor Sampling Noise Effect Analysis 3.3 Proposed MPC with Active Sensor Noise Suppression 4 Simulation Verification 5 Conclusion References A Speech Enhancement Method Based on Active Noise Control for Multiunit Rubber-Wheel Rail Vehicle Cabin 1 Introduction 2 Speech Enhancement Method Based on ANC 3 Simulation 4 Conclusion References A Dc-Link Startup Pre-charging Control Strategy for Modular Multilevel Converter 1 Introduction 2 System Description of MMC 3 Proposed Soft-Startup Pre-charging Control Method 3.1 Stage 1: Uncontrolled Pre-charging with Current-Limiting Resistors 3.2 Stage 2: Uncontrolled Pre-charging with Current-Limiting Resistors Bypassed Sequentially 3.3 Stage 3: Pre-charging with Constant Current 4 Simulation 5 Conclusion References A New Permanent Magnet Vernier Machine with Asymmetrical Modulated Teeth Design 1 Introduction 2 Machine Topologies and Air-Gap Field Modulation Mechanism 2.1 Machine Topologies 2.2 Air-Gap Field Modulation Mechanism 3 Performance Evaluation 3.1 Open-Circuit Characteristics 3.2 On-Load Torque 3.3 Loss and Efficiency 4 Conclusion References A Matrix Rectifier Topology Applied to Accelerator DC Power Supply 1 Matrix Converter Applied to Magnet Power Supply 2 A Special Case of MC - Matrix Rectifier 3 Implementation Scheme for Magnet Power Supply 3.1 Direct-Coupled Matrix Rectifier (MR) 3.2 Control Strategy 4 Control Strategy Modeling of Direct-Coupled MR 5 Conclusion References A New Multi-stage SiC MOSFET Gate Drive Circuit for Improving Device Switching Characteristics 1 Introduction 2 Analysis of Switching Process of SiC MOSFET 2.1 Turn-on Transient 2.2 Turn-off Transient 3 Multi-stage Drive Circuit Design 4 Simulation Tests 5 Conclusion References Model Predictive Control with Parameter Identification for DAB Converter Improving Dynamic and Static Performance 1 Introduction 2 MPC Strategy for DAB Converter 2.1 Description of DAB Converter System 2.2 Review of Classical MPC for DAB Converter 2.3 Deviation Analysis of DAB Converter Caused by MPC 3 MPC Strategy with Parameter Identification for DAB Converter 3.1 Online Parameter Identification Scheme Based on Recursive Least Square 3.2 Inductance Parameter Identification for DAB Converter 4 Experimental Verification 5 Conclusion References Long-Chain Ionic Liquid Additive Inhibits Dendrite Growth in Lithium Metal Battery 1 Introduction 2 Introduction 2.1 Principle and Evolution 2.2 Electrochemical Performance 2.3 Positive Matching 3 Conclusion References Energy Storage System and New Energy Development and Utilization Surrogate-Based Forced Air Cooling Design for Energy Storage Converters 1 Introduction 2 Design Variables 2.1 Restrictive Conditions 2.2 Objective Functions 3 Optimization Methods and Process 3.1 Design Experiment 3.2 Kriging Models 3.3 Particle Swarm Optimization Algorithm (PSO) 3.4 Surrogate Model Algorithm Process 4 Numerical Test Results 5 Conclusions References Practice and Application of Sealing Performance of Special Threaded Tubing in Gas Storage 1 Introduction 2 Use Environment of Suqiao Gas Storage 3 Special Threaded Tubing Sealing Performance Characteristics 3.1 Design Concept 3.2 Product Performance and Inspection 3.3 Field Application 4 Cause Analysis of Sealing Failure of Special Threaded Tubing 4.1 Impact of Buttoning Operation 4.2 Influence of Wellbore Environment and Working Conditions 5 Technical Measures to Improve the Sealing Performance of Special Threaded Tubing 5.1 Improve the Operation Level 5.2 Gas Seal Testing 5.3 Application of Tubing Expansion Joint 5.4 Packer Seat Sealing String Hoist the Seat and Press the String 6 Conclusions and Cognition References Compressed Air Energy Storage System for Multiple Time Scales 1 Introduction 2 Architecture of Energy Storage System 3 Energy Storage Condition 4 Short-Time Scale Condition 4.1 Energy Storage Stage 4.2 Energy Release Stage 4.3 Time Scale Determination 5 Long-Time Scale Condition 5.1 Energy Release Stage 5.2 Ejector Model 5.3 Combustor Model 5.4 Time Scale Determination 6 Continuous Output Condition 7 Conclusions References Construction and Performance Analysis of a Flow Field Optimization Model for Denitrification System 1 Introduction 2 Methods 2.1 Work program 2.2 Establishment of Simulation Models 2.3 Basis of Meshing 2.4 Definition of Boundary Conditions 2.5 Calculation Models and Methods 3 Results 3.1 Cloud Charts of Velocity Distribution in SCR Denitration Reactor 3.2 Cloud Charts of Pressure Distribution in SCR Denitration Reactor 4 Conclusions References Analysis and Improvement on the Small-Signal Stability of a Multimachine System with High Proportion Photovoltaic 1 Introduction 2 PV Modeling Based on PMT 2.1 PV Equivalent Model 2.2 PMT 2.3 PV Model Based on PMT 3 Case Study 3.1 PV Replace G1 3.2 Improvement by Adding PSS 3.3 Improvement by Changing Parameters of the PV Converter 4 Conclusion References Design and Optimization of a High Performance Yokeless and Segmented Armature Electrical Machine on Flywheel Energy Storage System 1 Introduction 2 YASA Machine Design 3 Selection of Pole Slot Combinations 4 Stator Core Material Comparisons 5 Optimization of YASA Motor Performance 5.1 Length of Air Gap 5.2 Percentage of Pole Embrace 5.3 PM Segmentation 6 Conclusion References Construction of an Evaluation Model for Total Energy Consumption and Energy Consumption Intensity Based on Decoupling Theory 1 Introduction 2 Input-Output Model 3 Tapio Decoupling Model Construction 4 Experiment Analysis 4.1 Experimental Data 4.2 Total Effect (R) 5 Conclusion References Day-Ahead Dispatching Based on Cooperation Game with Cloud Energy Storage 1 Introduction 2 Alliance Structure Composed of ROA and COA 3 Cooperative Game Model 3.1 Benefit Model of ROA 3.2 Basic Operation Model of COA 3.3 Optimal Model of Cooperative Game 4 Case Analysis 4.1 Basic Data 4.2 Calculation Results 5 Conclusion References Hydrate Risk Analysis at Choke of Subsea Wellhead During Deep-Water Gas Development 1 Introduction 2 The Calculation Model of Temperature and Pressure 3 The Judgement Method of Hydrate Risk 4 Hydrate Risk at Choke 4.1 Hydrate Risk During Low Production with High Pressure Process 4.2 Hydrate Risk During Restart Process 5 Conclusion References Research and Application of Reactive Power Compensation on High Power Scrap Crusher in Production Line 1 Introduction 2 Cascaded Multi-level SVG Topology and Control 2.1 Cascaded Multilevel SVG 2.2 Current and Voltage Double Closed-Loop Control 3 Parameter Calculation of Dynamic Reactive Power Compensation System Combined With Governance Objects 3.1 Compensation Targets Project Status 3.2 Combined with the Calculation of Relevant Parameters of the Project 4 Simulation Analysis of Dynamic Reactive Power Compensation System Based on Matlab and Field Application 5 Conclusions References Study on Optimization Model of Oil Pipeline Intermittent Transportation 1 Introduction 2 Model and Method 2.1 Optimization Model 2.2 Optimization Algorithm 3 Case Introduction 4 Results and Discussion 5 Conclusions References Study on Carbon Emission Evaluation of Power Grid Construction Projects Under Dual Carbon Targets 1 Introduction 2 Source Analysis of Carbon Emissions 3 Comprehensive Evaluation Method of Low Carbon Power Grid 4 Construction of Index System 4.1 Horizontal Evaluation 4.2 Longitudinal Evaluation 5 Analysis of Carbon Emission Index System 6 Conclusion References Analysis of Influence of Natural Gas Pipeline Arrangement on Bias Flow of Metering Branch 1 Introduction 2 Current Status of Operation Management 3 Layout of Natural Gas Pipelines 4 Conclusion References Study on the Distribution of Corrosion Inhibitor in the Natural Gas Gathering Pipeline 1 Introduction 2 Model Establishment 2.1 Mathematical Model 2.2 Physical Model 3 Analysis of Continuous Corrosion Inhibitor Injection 3.1 Influence of Pipeline Angle on the Distribution of Corrosion Inhibitor 3.2 Influence of Injection Rate on the Inhibitor Distribution 3.3 Influence of Injection Velocity on the Inhibitor Distribution 4 Conclusion References Simulation Study on Performance of Thermal Storage Solar Photovoltaic System 1 Introduction 2 System Introduction 3 Results and Discussion 4 Conclusion References The Research and Perspective on Photovoltaic Development in China with the Goal of Carbon Peak and Neutrality 1 Introduction 2 The Current Situation of Photovoltaic Power Generation 2.1 Status of Global Photovoltaic Development 2.2 The Development Status of China’s Photovoltaic Industry 3 Analysis of Solar Energy Resources and Photovoltaic Power Generation in China 3.1 Solar Energy Resources and Distribution in China 3.2 The Measurement of Photovoltaic Power Generation in China 4 Analysis of Photovoltaic Feed-In Tariffs in China 5 Main Factors Affecting the Economics of Photovoltaic Power Generation 5.1 High-Priced Land Fee and Land Tax 5.2 High-Ratio Energy Storage Configuration 5.3 Industrial Support and Delivery Project Support 5.4 Insufficient Production Capacity and High-Priced Modules in the Photovoltaic Industry 6 The Economic Analysis of Current Photovoltaic Power Generation in China 7 Conclusion and Investment Advice References Gate Oxide Breakdown in IGBT Modules Due to Bonding Wires Lift-Off 1 Introduction 2 The Device Modeling and Failure Analysis 2.1 Equivalent Circuit of an IGBT Module Interior 2.2 Transient Response of the Model 3 Simulation and Experimental Verification 3.1 Simulation Validation 3.2 Experimental Verification 4 Conclusion References Research on Output Characteristics of Transverse Photovoltaic Modules Under Shading 1 Introduction 2 Analysis of Influencing Factors on Output Characteristics of PV Modules 2.1 Analysis of Influencing Factors 2.2 Lifting Measures 3 Establishment of PV Module Electrical Output Model 3.1 Solar Cell Electrical Output Model 3.2 Output Characteristic Model of PV Module Under Shadow 4 Simulation Research and Analysis 4.1 Simulation Model 4.2 Simulation Results and Analysis 5 Conclusion References Analysis of Probe Influences on TSEP Measurement Fidelity of Fast Switching SiC MOSFETs 1 Introduction 2 Analysis and Simulation of Probe Loading Effects 2.1 Probe Types and Modeling 2.2 Probe Loading Analysis 3 Coupling Effects Between Power Loop And Gate Loop Measurements 3.1 Power Loop Coupling Onto Gate Loop 3.2 Susceptibility on Gate Loop Oscillation from Vds Probe 4 TSEP Accuracy Considering Probe Effects 5 Conclusion References Electrical Automation and Energy Optimization Technology Analysis on the Retrofit Scheme of Cutting-Cylinder of 350MW Supercritical Unit 1 Introduction 2 Unit Overview 3 Main Renovation Content 4 Comparison of the Main Indicators Before and After the Transformation 4.1 Heating Capacity Comparison 4.2 Peak Regulation Ability Comparison 4.3 Economic Comparison 5 Conclusion References Research on Retrofit Technology Route of External Steam Cooler for 630MW Subcritical Unit 1 Introduction 2 Unit Overview 3 Introduction of Optimization Technology of External Steam Cooler Regenerative System 3.1 Setting Method of External Steam Cooler 3.2 Setting Method of New External Steam Cooler 3.3 Analysis of Thermodynamic Process Change of Steam Turbine with New External Steam Cooler 4 Design of External Steam Cooler 4.1 Principles and Requirements for Setting up External Evaporators 4.2 Retrofit Plan 5 Technical and Economic Analysis 6 Conclusion References Multi-terminal UHVDC Transmission System Security Assessment and Coordinated Optimal Operational Strategy 1 Introduction 2 Wind Power Generation Performance Prediction Based On Gaussian Process Regression 2.1 Gaussian Process Regression Modeling 2.2 Forecast of Load Loss Expectation Based on Monte Carlo Simulation 3 Coordinated Optimal Control Model and Solution Methodology 3.1 Coordinated Optimal Control Model 3.2 Solution Methodology 4 Case Studies 4.1 Case Study with a Synthetic Chinese Power Grid 4.2 Case Studies with Modified IEEE 14-Bus System 5 Conclusion References Multi-parameter and Multi-constraint Optimization Design of Non-standard Stiffening Ring 1 Introduction 2 Load Calculations of the Stiffening Ring 2.1 Parametric Design 2.2 Load Calculations 3 Finite Element Analysis of Stiffening Ring 3.1 Preliminary Design of Stiffening Ring 3.2 Establishment of Finite Element Model 3.3 Definition of Materials, Constraints and Loads 3.4 Meshing 3.5 Result Analysis 4 Multi-parameter and Multi-constraint Optimization of the Stiffening Ring 4.1 Design of Multi-parameter Variables 4.2 Design of Multiple Constraints 4.3 Design of Objective Function 4.4 Optimization of Design Results 5 Conclusions References A Multi-scenario Digital Twin Analysis Platform for Regional Power System based on CloudPSS XStudio 1 Introduction 2 Architecture of Multi-scenario Digital Twin Analysis Platform based on Cloudpss Xstudio 2.1 Introduction to CloudPSS XStudio 2.2 Architecture of the multi-scenario digital twin analysis platform based on CloudPSS XStudio 3 Technical Basis 3.1 Isomorphic Directed Graph Computation Model for Multi-scenario Electromagnetic Transient Simulation 3.2 Workflow of the Multi-scenario Digital Twin Analysis Platform Based on CloudPSS XStudio 4 Construction of Microgrid Simulation Model 4.1 Overall Topology 4.2 Model building of Components 5 Construction of Visual Interactive Interface 6 Multi-scenario Simulation Analysis 6.1 Multi-scenario Steady-State Operation Analysis 6.2 Frequency-Sweeping Analysis 7 Conclusion References Optimal Allocation of Dispatchable Resources in an Integrated Energy System Based on Flexibility 1 Introduction 2 IES Structural Model 3 Flexibility Indicator 4 Optimal Allocation Model of Integrated Energy System Considering Flexibility 4.1 Optimal Allocation of the Main Problem Model 4.2 Subproblem Model 4.3 Constraints 5 Case Study 5.1 Basic Data 5.2 Analysis of Optimization Results 6 Conclusion References Planning for Improving the Flexibility of Regional Comprehensive Energy System Considering Uncertainty 1 Introduction 2 Regional Comprehensive Energy System Flexibility Improvement Planning and Evaluation Model 3 Example 3.1 Planning Results 3.2 Impact of Flexible Resources on Planning 4 Conclusion References Research on the Optimization of Multi-energy Complementary Integrated Energy Capacity Configuration in the Park Considering Grid Interaction 1 Introduction 2 System Description and Methodology 3 Capacity Optimization Configuration Model 3.1 First Stage Optimization Model 3.2 Second Stage Optimization Model 4 Case Study 4.1 Case Description 4.2 Effect Analysis Optimization 5 Conclusion References Vulnerability Analysis of Power System Considering Probabilistic Risk Assessment 1 Introduction 2 Element Probabilistic Risk Assessment Based on Risk Theory 2.1 Risk Theory and Its Applications 2.2 Probabilistic Model of a Systemic Accident 2.3 Consequence Model of System Accident (Severity Function) 2.4 System Loss of Load Model 3 Vulnerability Analysis of Power System Based on Entropy Weight Method 3.1 Entropy Weight Method 3.2 Calculation of Comprehensive Value-at-Risk 3.3 Calculation Process 4 Case Study 4.1 Test Results 4.2 System Risk Assessment and Vulnerability Analysis 5 Conclusion References Research on the Optimal Configuration of Integrated Energy System Considering Engineering Practicality 1 Introduction 2 System Model Building 2.1 The Structure of Integrated Energy System 2.2 Engineering Equipment Products 3 The Optimization Model and Solution 3.1 The Optimize Configuration Variable 3.2 The Objective Function 3.3 The Constraint Conditions 3.4 Solution Method 4 Example Analysis 4.1 Examples and Scenarios 4.2 Configuration Optimization Result Analysis 4.3 Analysis of Running Results 4.4 Investment Sensitivity Analysis 5 Conclusion References Energy Saving Control Method of HVAC in Colleges and Universities Considering Thermal Comfort Satisfaction 1 Introduction 2 Analysis on Energy Saving Control Methods of HVAC in Colleges and Universities Under Thermal Comfort Satisfaction 2.1 Thermal Comfort Satisfaction Index 2.2 Establishing Energy Saving Control Model of HVAC in Colleges and Universities 2.3 Energy Saving Control of HVAC in Colleges and Universities 3 Experimental Analysis 4 Conclusion and Prospect 4.1 Conclusion 4.2 Prospect References Development and Application of Green Hydrogen Energy Production Technology 1 Introduction 2 Water Electrolysis 2.1 Alkaline Electrolytic Cell 2.2 Proton Exchange Membrane Electrolytic Cell 2.3 Solid Oxide Electrolytic Cell 3 Microbial Hydrogen Production 3.1 Key Materials 3.2 Structure of Electrolytic Cell 3.3 Development Status of Microbial Hydrogen Production 4 Photocatalytic Hydrogen Production 4.1 Key Materials 4.2 Development Status of Photocatalytic Hydrogen Production 5 Conclusions and Prospects ReferenceS Half-Bridge Modulation Strategy for Bidirectional Wireless Power Transfer Based on Efficiency Optimization Under Light Load Conditions 1 Introduction 2 Optimization Analysis of Dual LCC Topology Efficiency 3 Light-Load Half-Bridge Modulation Strategy 3.1 Principle Analysis of Half-Bridge Modulation 3.2 Soft Switch Analysis 4 Simulation 5 Conclusion References Research on Coordination Mechanism and Cross-Chain Technology of Carbon Emission Trading Market and Green Electricity Trading Market 1 Introduction 2 Construction and Geometrical Dimensions of Specimens 3 Research Status of Cross-Chain Technology 3.1 Notary Mechanism 3.2 Sidechain/Relay Mode 3.3 Hash Lock Mode 3.4 Distributed Private Key Control 3.5 Notary Plus Sidechain Hybrid Mechanism 4 Design of Collaborative Algorithm for Carbon Electricity Market 4.1 Research on Carbon-Electricity Market Joint Deduction Under Carbon Electricity Market Policy 4.2 Carbon Electricity Market Trading Mechanism 4.3 Algorithm for the Collaborative Clearing of Carbon Electricity Market 5 Research on Cross-Chain Technology of Energy Carbon Chain and Green Electricity Transaction Chain 5.1 Energy Carbon Chain and Green Electricity Trading Chain Cross-Chain Technology Framework 5.2 Design of Collaborative Clearing Cross-Chain Mechanism in the Carbon Electricity Market 6 Conclusion References Optimization Analysis of Power Battery Pack Box Structure for New Energy Vehicles 1 Introduction 2 Structural Analysis of New Energy Vehicles 2.1 Basic Structure of BEV 2.2 Structural Analysis of Target Vehicles 3 Analysis and Calculation of the Finite Element Model of the Target Vehicle 3.1 Finite Element Model Analysis 3.2 Finite Element Model Analysis of Battery Pack Box 3.3 Optimum Design of Battery Pack Box Filled with Foam Aluminum Material 4 Conclusion References Research on Comprehensive Evaluation Method of New Energy Consumption Capability and Design of Simulation Computing Architecture 1 Introduction 2 Comprehensive Evaluation Method 3 Simulation Computing Architecture Design 4 Example Analysis 5 Conclusion References Novel Design Technique of Fuzzy Adaptive PI Regulator for Permanent Magnet Synchronous Motor 1 Introduction 2 Sturcure of Fuzzy Adaptive PI Speed Regulator 2.1 Fuzzification 2.2 Fuzzy Control Rules 2.3 Membership Functions 2.4 Defuzzification 2.5 Calculation of the Correction Values 3 Novel Parameter Tuning Method for Fuzzy Adpative Pi Regulator 3.1 Model of PMSM Drives 3.2 Parameter Tuning for Fuzzy Adaptive PI Regulator 4 Simulation Results 5 Conclusion References Multi-port Energy Router for Virtual Motor Control 1 Introduction 2 Topology Structure and Working Mode of Multi-port Energy Router 2.1 Topological Structure 2.2 Operating Mode 3 Prepare Your Paper Before Styling 3.1 Virtual AC Motor Control Strategy of DC/AC Converter 3.2 Virtual DC Motor Control Strategy of DC/DC Converter 4 Simulation Validation 5 Conclusion References Identification of Key State Information of Substation Equipment Based on Text Mining and Semantic Analysis Technology 1 Introduction 2 Related Work 2.1 Edge-Based Methods 2.2 Texture-Based Methods 2.3 Methods Based on Deep Learning 3 Method 3.1 Nameplate Text Detection Model Based on EAST 3.2 Loss Function 3.3 Locally Aware NMS 4 Experiment 4.1 Data Processing and Label Generation 4.2 Training 4.3 Testing 5 Conclusion References A Simulation Method for the Supply-Demand Conditions of Credits Under Corporate Average Fuel Consumption and New Energy Vehicles Credit Policy 1 Introduction 2 Status Quo of Cafc and Nev Credit Policy 3 Simulation Method of Credit Supply-Demand Ratio 3.1 Simulation Principle 3.2 Software Development 4 Practical Application Under the Cafc and Nev Credit Policy 5 Conclusion References Price Discovery and Volatility Modelling in the EU ETS: Evidence from Phase III 1 Introduction 2 Literature Review 3 Data and Methodology 3.1 Methodology 3.2 Data 4 Results and Discussions 5 Conclusion References Smart Grid and Artificial Intelligence Algorithm Applications Research on Intelligent Energy Management System for Differential Pressure Power Generation 1 Introduct