Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control

Name: Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control | Volume II
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Volume II

Yusheng Xue Yuping Zheng Saifur Rahman(Editor)

Springer (Publisher)

1st Edition

Published on 8. August 2019

XVII, 1028 pages

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978-981-13-9783-7 (ISBN)

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Content

Intro
Preface
Preface of International Seminar Paper Collection
Contents
Planning, Operation and Control of Integrated Energy Systems
1 Analysis and Suppression Strategy of Sub-synchronous Oscillation for Wind-Thermal-Bundled Power Transmitted by Series-Compensated System
Abstract
1 Introduction
2 Mechanism Analysis of SSO for Wind-Thermal-Bundled Power Transmitted by Series-Compensated System
3 Sub-synchronous Oscillation Suppression Using STATCOM
4 Case Studies
4.1 The System Model
4.2 The Suppression of STATCOM on SSO
5 Conclusions
Acknowledgements
References
2 Analysis on the Characteristics of 2016 Wind Damage Trips of Power Grid in China's Major Areas
Abstract
1 Introduction
2 Wind Damage Trips of Transmission Lines in 2016
2.1 Spatial Distribution
2.2 Temporal Distribution
2.3 Reclosure
2.4 Voltage Level Distribution
3 Annual Variation Characteristics of Wind Damage Trip
4 Summary
Acknowledgements
References
3 Research on Correlation Between Wind Power and Load in Different Weather Conditions
Abstract
1 Introduction
2 Classification of Weather Conditions
3 Correlation Between Wind Power and Load in Different Weather Conditions
3.1 Linear and Rank Correlation Coefficients
3.2 Joint Distributions Based on Optimal Copula Functions
3.3 Correlation Verification in Another Place
4 Conclusion
Acknowledgements
References
4 Research on Operational Optimization Technology of Regional Integrated Energy System Considering Operating Cost and Reliability
Abstract
1 Introduction
2 Multi-objective Operation Optimization Framework
3 Multi-objective Operation Optimization Model
3.1 Objective Function
3.2 System Constraints
4 Dispatching Model and Solution
5 Case Study
5.1 Typical Case
5.2 Results and Discussion
6 Conclusion
References
5 Voltage Optimization Strategy for Distribution Network Considering Distributed Photovoltaic Active Power Reduction
Abstract
1 Introduction
2 Design of Complex Affine Model of DPV and Load
2.1 Complex Affine Model of DPV
2.2 Complex Affine Model of Load
3 The Coordination and Optimization Strategy for Reactive-Active Power Reduction with DPV
4 The Coordination and Optimization Model for Reactive-Active Power Reduction with DPV
4.1 Objective Function
4.2 Constraint Condition
5 Model Solving Method
6 Cases Analysis
6.1 Analysis of Reactive Power Optimization Results
6.2 Analysis of DPV Active Power Reduction Optimization Results
6.3 Analysis of Reactive Power Optimization Results After Increasing Reactive Power Adjustable Capacity
7 Conclusion
Acknowledgements
References
6 Two-Stage Optimal Allocation Model of User-Side Energy Storage Based on Generalized Benders Decomposition
Abstract
1 Introduction
2 User-Side Energy Storage Model
2.1 Energy Storage Assessment Model
2.2 Optimizing Constraints
2.3 Monthly Energy Storage Optimization Model
2.4 Optimal Dispatch of Daily Energy Storage
3 Generalized Benders Decomposition Principle
4 Optimal Configuration of Energy Storage on User Side
5 Simulation
5.1 Energy Storage Assessment
5.2 Energy Storage Optimization Before April and February
5.3 Optimizing Daily Energy Storage
6 Conclusion
References
7 Research on Power-Efficiency Synchronization of Wireless Power Transfer
Abstract
1 The Introduction
2 System Modeling and Theoretical Analysis
3 Power-Efficiency Synchronization Matching Parameters
3.1 Power-Efficacy Synchronization Analysis
3.2 Impedance Matching Analysis
4 Matlab Simulation Verification
5 The Matching of Load and Distance
6 Conclusion
References
8 Day-Ahead Optimized Economic Dispatch of Integrated Electricity-Heating Systems Considering Wind Power Consumption
Abstract
1 Introduction
2 Integrated Electricity-Heating System Structure with Air Source Heat Pump
2.1 Air Source Heat Pump
2.2 Integrated Electricity-Heating System
3 Model of the Integrated Electricity-Heating System
3.1 Objective Functions
3.2 Constraints of the Model
4 Case Study
4.1 Composition of Case Study System
4.2 Analysis of Wind Curtailment Power and System Cost in the Electricity-Heating System
4.2.1 Case Analysis
4.2.2 Scenario 1 and Scenario 2
4.2.3 Scenario 3 and Scenario 4
4.2.4 Scenarios 1-4
5 Conclusion
Funding
References
9 Comprehensive Evaluation Model of Decommissioned Battery for Electric Vehicles Based on AHP-CRITIC
Abstract
1 Introduction
2 Evaluation of Health Factors of Decommissioned Batteries Based on Improved Clustering Analysis
2.1 Extraction of Health Characteristics of Decommissioned Batteries
2.2 Clustering Evaluation Model of Health Factors of Decommissioned Batteries
3 Evaluation of Economic Indicators of Decommissioned Batteries Based on AHP-CRITIC
3.1 Classification of Economic Indicators
3.2 Quantitative Processing of Indicator Characteristics
3.3 Evaluation of Comprehensive Economic Indicators
4 Optimal Evaluation Model of Decommissioned Power Batteries Based on Curve Characteristics and Economic Dimensions
4.1 Objective Function
4.2 Constraints
4.3 Model Solution
5 Example Analysis
6 Conclusion
References
10 Improved Control Strategy of Virtual Synchronous Generator in Response to Power Grid Harmonics
Abstract
1 Introduction
2 Basic Principles of VSG
3 Improved VSG Control Strategy for Harmonics in Power Grid
3.1 Equivalent Model Analysis of VSG
3.2 Extraction of Inductance Current Reference Value Based on Improved Double Second-Order Generalized Integral
3.3 Full Feed-Forward Control of Grid Voltage Based on Inertial Integral Link
3.4 Analysis and Selection of Current Regulator
4 Simulation and Experimental Results
4.1 Simulation Results
4.2 Experimental Results
5 Conclusion
References
11 Study and Application of the Integrated Energy Management and Service System
Abstract
1 Introduction
2 The Overall Architecture of IEMSS
3 Functional Design of Energy Management System for Integrated Energy
4 Key Technology
4.1 Steady-State Energy-Flow Modeling Technology for Integrated Energy
4.2 Comprehensive Decision Technology for Integrated Energy Based on Hierarchical Analysis
5 Applications
6 Conclusion
Acknowledgements
References
12 Energy Storage System Investment Decision Based on Internal Rate of Return
Abstract
1 Introduction
2 Energy Storage System Net Cash Flow Model
2.1 Energy Storage System Cash Inflow Model
2.2 Energy Storage System Cash Outflow Model
2.3 Internal Rate of Return
2.4 Planning Path
3 Particle Swarm Optimization Algorithm Based on Hybridization and Gaussian Mutation
4 Case Analysis
5 Conclusion
Acknowledgements
References
13 Coordination Control Method and Realization of Micro Grid Synchronized Connection
Abstract
1 Introduction
2 Micro Grid System Structure
3 Realization of Synchronized Grid-Connected Coordinated Control Function in Micro Grid
3.1 Implementation Scheme
3.2 Identification and Matching of Operation Mode of Micro Grid
3.3 Synchronized Measurement Value Calculation and Power Quality Judgment
3.4 Prediction of Synchronized Closing
3.5 Real-Time Regulation and Seamless Switching Technology of Synchronous Grid Connection Based on GOOSE Communication
3.6 Establishment of GOOSE Model
3.7 Off-Grid Control Technology of Microgrid
4 Application
5 Epilogue
References
14 The Optimal Configuration of AC/DC Hybrid Microgrid with Mobile Energy Storage Considering Seasonal DC Load
Abstract
1 Introduction
2 The Transfer Strategy of MES Based on the Structure of AC/DC Hybrid MG
2.1 The Structure of AC/DC Hybrid MG in Normal Operation
2.2 The Transfer Strategy of MES in Abnormal Operation
3 The Two-Layer Optimal Configuration Model of AC/DC Hybrid MG with MES Considering Seasonal DC Load
3.1 The Outer Optimization Configuration Model
3.2 The Inner Optimization Configuration Model
3.3 The Solving Process and Advantages of Bi-level Configuration Model
4 Case Study
4.1 Comparative Analysis of Three Optimized Configuration Methods
4.2 The Analysis of Charge and Discharge Characteristics of ES and MES During Normal Operation
4.3 The Analysis of Charge and Discharge Characteristics of ES and MES During Abnormal Operation
5 Conclusion
Appendix
References
15 A Method for Consistency Determination of Battery Energy Storage System Based on Fuzzy Comprehensive Evaluation
Abstract
1 Introduction
2 Evaluation Indicators
2.1 State of Charge (SOC) and Internal Resistance
2.2 Voltage
2.3 Temperature
3 Fuzzy Comprehensive Evaluation Method
3.1 Determination of Evaluation Grades
3.2 Normalization of Indicator Data
3.3 Establishment of Relation Matrix by Fuzzy Membership Function
3.4 Determination the Weights by Anti-entropy Weights Method
4 Case Analysis
4.1 Case 1
4.2 Case 2
5 Summary
References
16 Mesh Method for Distribution Network Planning Model Based on Bi-level Planning
Abstract
1 Introduction
2 Distribution Network Abstraction
2.1 Actual Grid Abstraction
2.2 Distribution Network Connection Pattern Topology Abstraction
3 Mesh Method for Distribution Network Planning Model
3.1 Upper Level Planning
3.2 Lower Level Planning
4 Planning Model Solving Method
5 Test Result
5.1 Description of Planning Area
5.2 Optimization Solution
5.3 Result Analysis
6 Conclusion
Acknowledgements
References
17 An Online Equivalent Method of Large-Scale Wind Power Based on Multi-source Data Fusion
Abstract
1 Introduction
2 Multi-source Data Fusion
2.1 Multi-source Data Acquisition and Self-checking
2.2 Multi-source Remote Measurement Data Fusion
2.3 Multi-source Remote Sign Data Fusion
2.4 Network Topology Update and Node Power Balance Check
3 Wind Farm Flow Adjustment
4 Wind Farm Equivalent
4.1 Wind Farm Parameters
4.2 Wind Power Generator Grouping
4.3 Wind Power Generator Equivalent
5 Case Verification
6 Conclusion
Acknowledgements
References
18 Multi-objective Optimal Allocation of Distributed Generation Considering Environmental Target and Uncertainty of EV
Abstract
1 Introduction
2 Probabilistic Modeling and Simulation of EV Charging Characteristics
2.1 Behavior Characteristics of EV
2.2 Characteristics and Charging Mode of EV's Battery
3 Time-Sequence Characteristics of DG and Load
3.1 Time-Sequence Characteristics of DG
3.2 Extraction Method of Time-Sequence Characteristics of Load
4 Multi-objective DG Optimal Configuration Model
4.1 Objective Function
4.2 Constraint Condition
4.3 Synthetic Objective Function
5 Solution of the Model
5.1 Particle Position Coding Scheme Setting
5.2 Binary Bat Algorithm
5.3 Stochastic Power Flow Calculation Method
6 Simulation Analysis
6.1 Simulation System Configuration
6.2 Clustering Processing Results of Load Time-Sequence Data
6.3 Simulation Results and Analysis
7 Conclusion
References
19 Research on Optimal Configuration of Energy Hub Considering System Flexibility
Abstract
1 Introduction
2 EH, IDR and System Flexibility Modeling
2.1 EH Structure and Modeling
2.2 System Flexibility Demand and Indexes
3 Optimal Configuration Model of EH Considering Flexibility
3.1 Objective Function
3.2 Constraints
3.3 Model Solution
4 Case Study and Discussion
4.1 Basic Data
4.2 Optimal Configuration Results Analysis
4.3 System Flexibility of Typical Days Analysis
5 Conclusion
References
20 Design and Evaluation of Primary Frequency Modulation Control Strategy for Wind-Storage Combined System
Abstract
1 Introduction
2 Mathematical Model Construction
2.1 Wind Turbine Model
2.2 Energy Storage System Model
3 Control Strategy Design
3.1 Control Strategy of Wind-Storage System
3.2 Capacity Requirement Analysis of ESS
3.2.1 Energy Storage System Configuration Constraints
3.2.2 Energy Storage System Configuration Process and Results
4 Evaluation of Primary Frequency Modulation Effect
4.1 Evaluation System
5 Simulation Analysis
5.1 Simulation Results Under Different Control Strategies
6 Conclusion
Acknowledgements
References
21 Optimization of Multi-energy Storage Configurations for Regional Integrated Energy Systems
Abstract
1 Introduction
1.1 Background and Aim
1.2 Literature Review and Contributions
1.3 Paper Organization
2 The RIES Structure
3 Multi-energy Storage Configuration Model
3.1 Bi-level Planning Approach
3.2 Upper Level Optimization Model
3.3 Lower Level Optimization Model
3.4 Model Solving
4 Case Study
5 Conclusion
References
22 Study on Reliability Improvement of Distribution Network Based on Self-healing System
Abstract
1 Introduction
2 Introduction of Distribution Network Protection
2.1 Distribution Network Structure
2.2 Typical Configuration of Distribution Network Protection
2.3 Longitudinal Protection and Self-healing System
3 Analysis of Outage Duration Under Protection Schemes
3.1 Outlet Circuit Breaker Failures
3.2 Line Segment Failures
3.3 Subsection Switch Failures
3.4 Load Switch Failures
3.5 DT or Branch Line Failures
4 Reliability Improvement
5 Conclusions
References
23 Power Frequency Coordination Control Method for High Penetration Renewable Energy Resources
Abstract
1 Introduction
2 Model of Sub-control Operating Area
2.1 Sub-control Operating Area
2.2 Control Group
3 Multi-object Coordinated Control Strategies
3.1 Coordinated Control Strategies Between Renewable Energy Resources and Traditional Units
3.1.1 Renewable Energy Resources and Hydro Units Are Responsible for ARR Regulation, Thermal Units Track Ahead the Changing Tendency of System Load
3.1.2 Hydro, Thermal and Renewable Energy Resources Undertake ARR According to Proportional Regulation Capacity Ratio [8-10]
3.1.3 Control Strategy in Terms of Space Coordination
3.2 Hierarchical and Centralized Control Strategy
4 Simulation Experiment
5 Conclusion
References
24 Optimal Configuration Method of Distributed Hybrid Energy Storage Systems in Distribution Network with Large Scale of Wind Power Generation
Abstract
1 Introduction
2 The Operational Principle of Hybrid Energy Storage System in Distribution Network with Distributed Wind Generation
2.1 The Operational Principle of Hybrid Energy Storage System
2.2 The Peak Load Regulation Method of the Small-Scale Compressed Air Energy Storage System
3 The Optimal Configuration Model of the Battery and Small-Scale Compressed Air Energy Storage System
3.1 Objective Function
3.2 Constraints
3.3 The Optimal Method of the Hybrid Energy Storage System
3.4 The Solving Method of the Configuration Model
4 Case Study
4.1 The Power Output Determination Method of the Battery and CAES
4.2 The Optimal Configuration of the Hybrid Energy Storage System
5 Conclusions
Acknowledgements
References
25 Analyses on Back to Back Test of Grid-Side Battery Storage Stations Based on Semi-isolated Bidirectional Converter
Abstract
1 Introduction
2 Operation Principle of BESS
2.1 System Structure of the Isolated PCS
2.2 Control Principle
3 Back to Back Test and Analysis of Its Key Problems
3.1 Analysis of Key Problems in Back to Back Test
4 Conclusions
References
26 Cooperative Control Strategy of Hybrid Energy Storage System under Isolated Operation of Micro-grid
Abstract
1 Introduction
2 Cooperative Control of Hybrid Energy Storage System
2.1 Power Distribution Strategy
2.2 Cooperative Control Strategy for Lithium Batteries and Super Capacitors
3 Control Design of Energy Storage Converter
3.1 Tracking the Control of Grid Voltage and Frequency
3.2 Current Inner Loop 2 Control
4 Simulation Verification
5 Conclusion
References
27 Multi-objective Optimization Configuration of Multi-energy Complementary Park Integrated Energy Supply Center Considering Electric Gas Conversion Planning
Abstract
1 Introduction
2 Construction of Two-Level Multi-objective Optimization Configuration Model for Multi-energy Complementary Park Integrated Energy Supply Center
2.1 Objective Function
2.2 Constraints
2.3 Model Solution
3 Case Analysis
3.1 Overview of the Case
3.2 Optimized Configuration Results and Analysis of Multi-energy Complementary Park Integrated Energy Supply Center
4 Conclusion
References
28 Adverse Control Effects on Steady-State Voltage Stability in Wind Power Systems Based on Sensitivities of B and L Indices
Abstract
1 Introduction
2 Sensitivities of B and L Indices
2.1 Sensitivity of B Index
2.2 Sensitivity of L Index
3 Adverse Effects of Control Measures
3.1 Adverse Effects of Load Shedding
3.2 Adverse Effects of Tap Setting
3.3 Inconsistency of L and B
4 Numerical Analysis
4.1 L and B Indices
4.2 Sensitivities of L and B
4.3 Validation to Sensitivity of L Index
4.4 Adverse Effect Analysis Based on L Index
5 Conclusions
Acknowledgements
References
29 Application of New Energy Microgrid System in Industrial Park
Abstract
1 Introduction
2 Overview of the New Microgrid System
3 Application Case Analysis
3.1 Power Environment and Load Characteristics
3.2 System Scale Approval
3.3 System Networking Scheme
3.4 System Technology Advantage
3.5 The Profits of the Project
4 Conclusion
References
30 A Local Quadratic Wavelet Neural Network Method for Predicting Dispersed Wind Power Generation
Abstract
1 Introduction
2 Local Quadratic Wavelet Neural Network
3 PSO Algorithm Training of LQWNN Model
4 Dispersed Wind Prediction of LQWNN
5 Conclusion
Acknowledgements
References
31 Multi-point Access Decentralized Wind Power Time Series Model Based on MCMC Algorithm and Hierarchical Clustering Algorithm
Abstract
1 Introduction
2 Medium and Long Term Output Analysis Model
2.1 Markov Process for Multipoint Access
3 Time Series Model of Typical Daily Output
3.1 Clustering Process of Hierarchical Clustering Algorithm
3.2 Method of Generating Typical Daily Output
4 Evaluation of the Model
5 Case Studies
5.1 MCMC Algorithm Simulation
5.2 Selection of Typical Daily Output
6 Conclusion
Acknowledgements
References
New Technologies for Substation Automation
32 Fault Diagnosis Method of Intelligent Substation Based on Improved Association Rule Mining Algorithms
Abstract
1 Introduction
2 Improved Association Rule Data Mining Algorithms Based on Rough Sets
2.1 Rough Set Technology
2.2 Association Rules
2.3 An Improved Association Rule Mining Algorithm Based on Rough Set
3 Application of Genetic Algorithms in Improving Association Rule Based Data Mining
3.1 Implementation of Genetic Algorithms
3.2 Algorithm Design
4 Simulation Analysis
5 Conclusion
Acknowledgements
References
33 Protection Scheme for Kilometer-Level High Temperature Superconducting Line
Abstract
1 Introduction
2 Analysis of Characteristics of the Superconducting Cable
3 Introduction of the Kilometer-Level Superconducting Cable Demonstration Project
3.1 Brief Introduction of the Demonstration Project
3.2 System Structure of the Superconducting Cable in the Demonstration Project
4 Protection Scheme for Kilometer-Level Superconducting Lines
4.1 Differential Protection
4.2 Quench Protection
5 Discussion on New-Type Protection Function
5.1 Information Collection Method Based on Wireless Communication Technology
6 Tripping and Closing Logic of the Superconducting Cable
6.1 Configuration of Protection Device
6.2 Tripping and Closing and Failure Logics of the Superconducting Cable
7 Conclusion
Acknowledgements
References
34 State Perception Method of Intelligent Substation Secondary System Based on FCE and DCNN
Abstract
1 Introduction
2 The Proposed Method
2.1 The Secondary Equipment
2.2 Evaluation Method Analyses
2.3 State Characteristic Quantity of Intelligent Substation Secondary Equipment
2.4 Models Based on FCE
2.5 Selection of Membership Functions
2.6 Deep Convolutional Neural Network
3 Experimental Results and Analysis
4 Conclusion
Acknowledgements
References
35 Risk Assessment Method for Smart Substation Secondary System Based on Deep Neural Network
Abstract
1 Introduction
2 Risk Assessment Model Based on Deep Neural Network
2.1 Secondary System in a Smart Substation
2.2 Deep Neural Network Risk Assessment Model
3 Numerical Results and Discussions
3.1 Test Bed
3.2 Numerical Studies
4 Conclusions
Acknowledgements
References
36 Research of Scheme for Mapping Between Virtual and Real Link and Fault Diagnosis in Smart Substation Based on SPCD
Abstract
1 Introduction
2 Basic Principles and General Ideas
3 SCD Physical Link Modeling
3.1 Physical Node Information Encoding
3.2 Two-Way Physical Link Information Modeling
3.3 Establishing a Physical Link Model and Cable Mapping Table
4 Cable Automatic Search Algorithm
5 Troubleshooting and Positioning
6 Implementation and Application
7 Conclusion
References
37 A Chromatographic Recognition Algorithm Based on Adaptive Threshold in Substation
Abstract
1 Introduction
2 Spectral Peak Identification Algorithm Based on Adaptive Threshold
2.1 Smoothing
2.2 Find the Peak
2.3 Adjust the Start and End Points of the Peak
2.4 Processing the Peak
2.5 Qualitative and Quantitative
3 Implementation of Program
3.1 Determination of Threshold
3.2 Spectral Display and Algorithm Effects
4 Conclusion
References
38 The State Detection Scheme of the Hard Plate in Substation Based on Hall Sensing Effect
Abstract
1 Introduction
2 Hall Element Selection and Its Adaptability Analysis
2.1 State Detection Scheme of the Separate Hardware Platen
2.2 State Detection Scheme of Line Spring Hardware Platen
3 Integrated Circuit Design for Hall Switch
4 Experimental Analysis
5 Conclusion
References
39 Research on New Protection and Control System Scheme in Smart Substation Using On-site Module
Abstract
1 Introduction
2 On-site Module
2.1 On-site Module Classification
2.2 Typical Application Scenarios
3 Scheme of Protection and Control System
3.1 Scheme Introduction
3.2 Networking and Configuration of BCU
3.3 Networking and Configuration of Protection
4 Time Delay Analysis and Reliability Technology of Network
4.1 HSR Delay Analysis
4.2 Reliability Technology of Network
5 Conclusion
Funded Project
References
40 Insensitivity of Fiber-Optic Current Transducer to Vibration
Abstract
1 Introduction
2 Structure of FOCT Using Reflective Lithium Niobate Modulator
2.1 The Structure and Principle of a Reflective Lithium Niobate Modulator
2.2 Principle and Structure of FOCT System
3 Experimental Results and Discussion
3.1 Laboratory Vibration Measurement Results
3.2 Test Result of Switch Dynamic Test in Substation
4 Conclusion
Acknowledgements
References
41 Research on SSD Based Automatic Virtual Terminal Connection of Smart Substation
Abstract
1 Introduction
2 Analysis on the Relationship Between Virtual Circuit and SSD
3 Automatic Virtual Terminal Connection Based on SSD
3.1 Template Definition
3.2 Bay Mapping
3.3 IED Mapping
3.4 Virtual Terminal Mapping
4 Application Analysis
5 Conclusion
References
42 Communication Technology Between Substations of Security and Stability Control System Based on IEC61850
Abstract
1 Introduction
2 Introduction Traditional Communication Technology Between Substations Overview
3 Communication Architecture Between Substations Based on IEC61850
4 Key Technology
4.1 Traffic Flow Control
4.2 Communication Capacity Control
4.3 Communication Configuration Method
4.4 Technology Comparison
5 Project Application Overview
6 Conclusion
References
43 Research on the Visualization Technology of the Secondary Circuit of Intelligent Substation Based on CIM/G
Abstract
1 Introduction
2 General Architecture
3 Structure Analysis of the Secondary Circuit
4 Display of the Secondary Circuit
4.1 Display of the Physical Circuit
4.2 Display of the Logical Circuit
5 Practical Application
6 Conclusion
Acknowledgements
References
44 Wide-Frequency Synchrophasor Transfer Method Based on Channel TDM
Abstract
1 Introduction
2 Overview of Synchrophasor Transfer
2.1 WAMS Architecture and Transfer Standard
2.2 Analysis of Existing System Network Data Flow
3 Wide-Frequency Synchrophasor Transfer Method
3.1 Design of Channel TDM Transfer
3.2 Realization of Channel TDM Transfer
3.3 Comparison of Data Flow
4 Verification
5 Conclusion
Acknowledgments
References
45 Strategy of Avoiding Reclosing in GIS Permanent Fault Under 3/2 Connection Mode
Abstract
1 Introduction
2 Complexity of Relay Protection Object and Its Related Influence
3 Interoperability Between Protective Devices
4 Optimal Configuration of Protection Under 3/2 Wiring Mode
5 Conclusion
References
46 Research and Application of a Visual Component Aggregation Method
Abstract
1 Introduction
2 Visual Development Technique
2.1 "VisualIDE" Visual Programming Tool
2.2 "VICT" Visual Configuration Tool
2.3 The Docking Relation of Visual Development System
2.4 Current Problems in Visualization Technology
3 Method Principle
3.1 Generate New Function Blocks with Function Blocks
3.2 Generate Protection Component with Function Blocks
3.3 Generate New Protection Component with Protection Components
4 Realize and Engineering Application
4.1 Desktop Software Design
4.2 Embedded Module Design
4.3 Engineering Application
5 Conclusion
References
Computing, IoT, Mobile Internet and AI in Smart Grid
47 Power Grid Modeling and Topology Analysis Based on Graph Database Conforming with CIM/E
Abstract
1 Introduction
2 Graph Database Rationale
2.1 Data Model
2.2 Data Query Access
3 Power Grid Modeling Based on Graph Database
3.1 Data Description Specification of CIM/E Model
3.2 Data Schema Design
3.3 Data Model Loading
4 The Network Topology Based on Graph Database
4.1 Graph Partitioning and Network Topology
4.2 Parallel Network Topology Algorithm
5 Case Study
6 Conclusion
Appendix
References
48 Comprehensive Evaluation of Power Quality via Sequential Floating Search Method
Abstract
1 Introduction
2 Sequential Floating Search Method and Its Evaluation Function
2.1 Sequential Floating Search Method
2.2 Evaluation Function
3 Power Quality Evaluation Indicators and Division
3.1 Pre-selection of Power Quality Evaluation Indices
3.2 Classification of Power Quality Assessment
4 Application of Sequential Floating Search Method in Power Quality Assessment Index Selection
4.1 Data Generation and Standardization
4.2 Selection of Feature Subsets of Power Quality Assessment Indices
5 Classifier Verification
5.1 Verification of k-Nearest Neighbors Algorithm
5.2 Verification and Comparison of Other Classifiers
5.3 Application of Sequential Floating Search Method in Comprehensive Evaluation of Enterprise Power Quality Data
6 Conclusions
References
49 Key Constraint Variable Identification, Transient Stability Assessment and Feasible Region Generation of Power Grid Operation Based on Machine Learning Method
Abstract
1 Introduction
2 Power Grid Operation Learning and Decision Model
2.1 Traditional Power Grid Operation Decision-Making
2.2 Key Constraint Variable Identification Model
2.3 Transient Stability Assessment Deep Neural Networks Model (DNN)
2.4 Power System Feasible Region Generation Based on Decision Tree
3 Case Study
3.1 Design of Software and Hardware Framework
3.2 Test System
3.3 Result Analysis
4 Conclusion
References
50 Spatial-Temporal Distribution and Impact Factors Analysis of Cloud-to-Ground Lightning Activity in Hubei China
Abstract
1 Introduction
2 Dataset and Methodology
2.1 Datasets
2.2 Exploratory Spatial Data Analysis Method
2.3 Generalized Additive Model
3 Experiments and Results
3.1 Study Area
3.2 Spatial-Temporal Distribution of CG Lightning Activity
3.3 GAM Results
4 Conclusions
Acknowledgements
References
51 A CNN-Based Fault Section Location Method in Distribution Network Using Distribution-Level PMU Data
Abstract
1 Introduction
2 Fault Section Detection Structure Based on D-PMUs
3 CNN Model for Fault Section Location
3.1 Introduction of CNN
3.2 The Structure and Parameters of Proposed CNN Model
4 Simulation and Results
4.1 Simulation
4.2 Test Case
4.3 Test Results
5 Conclusion
Acknowledgements
References
52 Research on Grid State Portrait Technology and Its System Realization
Abstract
1 Introduction
2 Grid State Portrait Label System
3 Generation Method of Grid State Portrait Label
4 System Implementation Architecture
4.1 Snapshot Generation
4.2 Snapshot Management
4.3 Data Analysis
4.4 Comprehensive Display
5 Practical Application Effect
6 Conclusion
References
53 A Line Loss Calculation Method for Power Grid Partition Based on Complex Network Community Discovery Algorithm
Abstract
1 Introduction
2 Complex Network Community Structure Theory
2.1 Community Discovery Algorithm
2.2 Network Modularity Index
2.3 Fast-Newman Algorithm
3 Parallel Line Loss Calculation of Power Grid Partition
3.1 Weighted Reprocessing of the Network
3.2 Power Grid Partition
3.2.1 Simplification of the Network Topology
3.2.2 Algorithm Improvement Based on the Characteristic of Power Grid
3.2.3 The Flow of Partition Algorithm
3.3 Parallel Calculation of Line Loss
3.3.1 Partition Decoupling
3.3.2 Partitioned Parallel Computing
4 Case Analysis
5 Conclusion
Acknowledgements
References
54 Daily Power Load Curves Analysis Based on Grey Wolf Optimization Clustering Algorithm
Abstract
1 Introduction
2 Dimensionality Reduction of Daily Load Curve Data
3 Fuzzy C-Means Clustering Algorithm Based on GWO
3.1 Fuzzy C-Means Clustering Algorithm
3.2 GWO
3.3 GWO-FCM Clustering Algorithm
4 Implementation Method
4.1 Dataset Preprocessing
4.2 Evaluation Index of Clustering Effectiveness
5 Experimental Results and Analysis
5.1 Input Dataset Construction
5.2 Results of Clustering
5.3 Robustness Test of Algorithm
6 Conclusion
References
55 GPU-Accelerated Batch Electromechanical Transient Simulation of Power System
Abstract
1 Introduction
2 Algorithm Principles
2.1 The Principles of IIASM
2.2 The Principles of Dynamic Elements Solver
3 GPU-Based Parallel Algorithms of IIASM
3.1 GPU-Accelerated Single SLS LU Factorization
3.2 GPU-Accelerated Batch SLS LU Factorization
3.3 GPU-Accelerated Batch Dynamic Element Solver
4 Batch-ETTS Algorithm Based on IIASM
5 Case Study and Performance Comparison
5.1 Case Study
5.2 Performance Comparison
6 Conclusion
References
56 Modular Operational Reliability Evaluation of Power Distribution Room Based on Data Learning
Abstract
1 Introduction
2 Operational Reliability of Modular Distribution Room Based on Data Learning
3 Learning Model of Power Outage Equipment Based on ELM Neural Network
3.1 ELM Neural Network Design
3.2 Learning Objectives of ELM Neural Network
4 Operational Reliability Evaluation Module of Based on Data Learning Results
4.1 Organ Outage Rate Calculation
4.2 Theoretical Calculation of Power Supply Efficiency of Load Bus
4.3 Operational Reliability Evaluation Model of Modular Distribution Room
5 Example Analysis
5.1 Outage Equipment Learning of Example
5.2 Outage Rate Calculation of Organs and Submodules
5.3 Effectiveness Calculation of Power Supply at Load Points of Different Design Schemes
6 Conclusion
Appendix 1
Appendix 2
References
57 Target Recognition and Evaluation of Typical Transmission Line Equipment Based on Deep Learning
Abstract
1 Introduction
2 Target Recognition Preparation
2.1 Data Preprocessing
2.2 Data Annotation
2.3 Data Set Partition
2.4 Evaluation Criteria
3 Model Training and Evaluation
3.1 Model Training
3.2 Evaluation Results
3.3 Analysis of Results
4 Conclusion
References
58 Short-Term Bus Load Forecasting Method Based on CNN-GRU Neural Network
Abstract
1 Introduction
2 Principles of CNN and GRU Deep Neural Networks
2.1 Principles of CNN
2.2 Principles of GRU
3 Bus Load Forecasting Method Based on CNN-GRU
3.1 Influencing Factors of Bus Load
3.2 CNN-GRU Network Model
4 Experiment and Result Analysis
4.1 Data Preparation and Feature Processing
4.2 Forecast Evaluation Criteria
4.3 Analysis of Results
5 Conclusion
Acknowledgements
References
59 Design and Implementation of Intelligent Voice Service for New Generation of Power Grid Dispatch and Control System
Abstract
1 Introduction
2 The Overall Architecture of Intelligent Voice Service
2.1 Access Layer
2.2 Agent Layer
2.3 Service Layer
2.4 Bridge Layer
2.5 Voice Engine Layer
3 Key Technologies in Building Intelligent Voice Service
3.1 Unified Access Interface for Micro-services Based on API Gateway
3.2 Dialogue Management Service Based on Limited-Case Mechanical Method
3.3 Redis-Based Multi-round Dialogue Context Management
3.4 Knowledge QA Based on Word Vector
3.5 User Behavior Analysis Based on Clustering
4 Application Cases
5 Conclusion
Acknowledgements
References
60 Semantic Knowledge Matching Based on BERT for Dispatching Fault Disposal Information
Abstract
1 Introduction
2 Related Work
3 BERT Model with Fine-Tuning
4 Experiment
4.1 Data Set
4.2 Fine-Tune
4.3 Result
5 Conclusion and Future Work
Acknowledgements
References
61 Constant Voltage Output Wireless Power and Information Transmission System Based on ZCS Resonance Point Switching Method
Abstract
1 Introduction
2 Wireless Power and Information Transmission ICPT System in Constant Voltage Output
3 Calculation and Analysis of Multiple Resonance Points
3.1 Stroboscopic Mapping Modeling and Soft Switching Operating Point
3.2 Steady-State Waveform Analysis of Soft Switching Operating Point
4 Modeling of Power and Signal Synchronous Transmission
5 Voltage Regulation Control in ZCS Resonant Point Mode
6 Signal Demodulation Circuit
7 Experimental Analysis and Verification
8 Conclusion
Acknowledgements
References
62 Short-Term Power Load Forecasting Based on Empirical Mode Decomposition and Deep Neural Network
Abstract
1 Introduction
2 Feature Extraction Method Based on EMD
2.1 Basic Working Principle of EMD
2.2 Modal Number Determination Method of EMD Based on Extreme Point Span
3 Cases Analysis
3.1 Load Forecasting Based on EPSEMD
3.2 Input Variable Selection Based on Load-Temperature Based Correlation and PCA
3.3 Comparison of Forecasting Results
4 Conclusion
References
63 Designing and Application of High Voltage Overhead Transmission Line Typhoon Disaster Prediction Method
Abstract
1 Introduction
2 Mechanism of Damage from Typhoon
3 Disaster Prediction Method
3.1 Determination of Vulnerable Tower Subset
3.2 Numerical Weather Forecast
3.3 UHV Tower Stress Analysis
4 Application of Prediction Method
5 Conclusion
References
Intelligent Monitoring, Measurement and Maintenance Technology
64 1200 kV High Power Testing Laboratory Configuration and Design Method of Equipment Layout in Oscillating Circuit
Abstract
1 Introduction
2 Laboratory Configuration
2.1 Test Facilities
2.2 Power Supply and Distribution System
2.3 Complimentary and Ancillary Areas
3 Process of Design Method
3.1 Select a Reasonable Method of the Tests
3.2 4p Weil Circuit Calculation Method
3.3 Simulation and Test Verification of Key Non-standard Equipment
3.4 Fix the Actual Technical Parameter of Equipment
3.5 Main Optimized Equipment of Synthetic Circuit
3.6 The Design Method of Equipment Layout
4 Conclusion
References
65 Current Unbalance Cluster Analysis Based on Self-organizing Competitive Neural Network
Abstract
1 Introduction
2 Feature Parameters
3 Self-organizing Competitive Neural Network
4 Experiment
5 Conclusion and Future Work
References
66 The Fault Diagnosis of Infrared Bushing Images Based on Infrared Thermography
Abstract
1 Introduction
2 Infrared Thermography-Based Target Extraction
2.1 Infrared Image Preprocessing
2.2 SLIC Super Pixel Segmentation Algorithm
2.3 Fault Diagnosis
3 Result Analysis
4 Conclusions
Acknowledgements
References
67 Optimization of Post-disaster Rush Repair Strategy for Distribution Network Considering Network Reconfiguration
Abstract
1 Introduction
2 Optimization Model of Post-disaster Repair Strategy
2.1 Objective Function
2.2 Constraints
3 Solution of Proposed Model
3.1 Genetic Algorithm
3.2 Simulated Annealing Algorithm
4 Case Analysis
4.1 Case Simulation Scenario
4.2 Simulation Results
5 Conclusion
Acknowledgements
References
68 Protocol Conformance Test Sequence Generation for Q/GDW11709.2 Based on FSM
Abstract
1 Introduction
2 Establish the FSM Model of Communication Protocol
2.1 Finite State Machine Theory
2.2 FSM Model of Communication Protocol Between TCU and CTR
3 Common Method of Generating Test Sequences
4 Generate Conformance Test Sequence of Q/GDW 11709.2 Communication Protocol
4.1 Generate Test Sequence by T Method
4.2 Generate Test Sequence by U Method
4.2.1 Generate UIO Sequences
4.2.2 Generate Conformance Test Sequences
5 Conclusion and Expectation
Acknowledgements
References
69 Identifying Critical Patterns of Cascading Failure in Power Systems Based on Sequential Pattern Mining with Gap Constraints
Abstract
1 Introduction
2 Define Propagation Features as Sequential Patterns with Gap Constraints
2.1 Concept of Sequential Pattern Mining with Gap Constraints
2.2 Data Structure Representation of Cascading Failure
2.3 Cascading Failure Pattern with Gap
3 Method of Cascading Failure Minimum Pattern Mining with Gap (CFMPG Mining)
3.1 Extract Cascading Failure Minimum Pattern Mining with Gap (CFMPG)
3.2 Statistical Analysis of CFMPGs
3.3 Identification of Critical CFMPGs
3.4 Correlation Analyses Index of Branches in Power System
3.5 Complete Procedures of CFMPG Mining Method
4 Simulation and Analysis
4.1 IEEE 39-Bus Test System
4.2 IEEE 118-Bus Test System
5 Conclusions
Acknowledgements
References
70 Study on Distribution Voltage of Deteriorated Insulator Based on Finite Element Method
Abstract
1 Introduction
2 Electric Field Model of Insulator String a Subsection Sample
2.1 Model of the Insulator
2.2 Setting of Each Medium Simulation Parameter
2.3 Verification of Simulation Model
3 Effect of Degraded Insulator on Distribution Voltage Model of the Insulator and Tower
3.1 Simulation Model Parameter Setting for Deteriorated Insulator
3.2 Effect of Different Degraded Insulators at Different Positions on Distribution Voltage
3.3 Influence Between Adjacent Deteriorated Insulators
4 Test
5 Conclusion
Fund Support
References
71 Research and Implementation of Conductive AC Charging Interoperability Test for Electric Vehicles
Abstract
1 Introduction
2 AC Charging System
2.1 Charging Mode
2.2 Charging Connection
2.3 Typical Control Pilot Circuit
3 Interoperability Test for AC Charging
3.1 Interoperability Test Use Cases
3.2 Interoperability Test System
3.3 Coupler Interoperability Test Requirement
4 Test Procedure and Results
4.1 Test Condition
4.2 Control Pilot Parameters Test
4.3 Charging State Test
4.4 Charging Error Test
4.5 Charging Timing Test
5 Conclusion
Acknowledgements
References
72 Electric Vehicle DC Charger Charging Protocol Conformance Testing System
Abstract
1 Introduction
2 EV DC Charging Protocol
3 DC Charger Protocol Consistency Test System
4 Testing Method
4.1 Test Cases and Classification
4.2 Test Method
5 Conclusion
Acknowledgements
References
73 A Design Method of In-band Communication Link in Power-Over-Fiber Application System
Abstract
1 Introduction
2 Research on Implementation Method of In-band Communication Link in POF System
2.1 Key Component Characteristics
2.2 Digital Modulation Method Research
3 System Design
3.1 System Architecture Design
3.2 LD Drive Circuit Design
3.3 Demodulation Module Circuit Design
3.4 LD Power Control Module Design
4 Performance Test
5 Conclusion
References
74 Research on EMI Noise Suppression Method Based on Electromagnetic Shield of Cabinet
Abstract
1 Introduction
2 Shielding Effectiveness Principle
3 Cabinet Modeling
3.1 Effect of Hole Position on Shielding Efficiency of Cabinet
3.2 Effect of Hole Shape on Shielding Efficiency of Cabinet
3.3 Effect of Shielding Layer on Shielding Efficiency of Cabinet
4 Electromagnetic Shielding Test of Inverter Power Cabinet
5 Conclusion
Acknowledgements
References
75 Computation of the Three-Dimensional Electric Field Using Particle Swarm Optimization Charge Simulation Method
Abstract
1 Introduction
2 Particle Swarm Optimization Charge Simulation Method
2.1 Traditional Charge Simulation Method
2.2 Particle Swarm Optimization
2.3 PSOCSM
3 Calculation Example of Electric Field
3.1 Sphere-Plane Electrode
3.2 Rod-Plane Electrode
3.3 High Voltage Insulator String
4 Conclusion
References
76 Automatic Detection of Environmental Change in Transmission Channel Based on Satellite Remote Sensing and Deep Learning
Abstract
1 Introduction
2 Methodology
2.1 Spectral Change Considering Neighborhood Information
2.2 Texture Change Considering Neighborhood Information
2.3 Adaptive Selection of Training Sample
2.4 Construction and Training of Improved Inception-V3 Model
3 Experiment and Result Analysis
3.1 Experimental Area
3.2 Data Acquisition
3.3 Experimental Result Analysis
4 Conclusions
References
77 A Spectrum Correction Approach for Power System Sub-harmonic Analysis
Abstract
1 Introduction
2 Spectrum Interference of Sub-interharmonics
3 Spectrum Correction with Multiple Interferences
4 Simulation Analysis
5 Conclusion
Acknowledgements
References
78 Video Shake Detection
Abstract
1 Introduction
1.1 A Subsection Sample
2 Method
2.1 Overview
2.2 High-Level Feature Extraction
2.3 Video Shake Displacement Metric
3 Experimental Results
4 Conclusion
Acknowledgements
References
79 The Methods of Calculating Heights of Lightning Rods and the Design of the Calculating Software
Abstract
1 Introduction
2 Analysis of Computing Principles
3 Modified Calculation of Influencing Factors of Rods Height
4 Rods Height Calculation
4.1 Individual Lightning Rods
4.2 Two Lightning Rods
4.3 Three Equal-Height Lightning Rods
5 Software Design
6 Conclusion
References
80 Super-Resolution Reconstruction of Fine-Grained Fittings Image of Transmission Line Based on Compressed Sensing
Abstract
1 Introduction
2 Basic Knowledge of Compressed Sensing
2.1 Theoretical Framework of Compressed Sensing
2.2 Sparse Representation and K-SVD Dictionary Construction
2.3 Reconstruction Algorithm
3 Super-Resolution Reconstruction Based on Compressed Sensing
4 Experiment and Result Analysis
5 Conclusions
Acknowledgements
References
81 Design and Implementation of Centralized Operation and Hierarchical Management System for Substations
Abstract
1 Introduction
2 System Structure
2.1 Overall Architecture
2.2 Substation Information Collection
2.3 Substation Information Sending
2.4 Center Information Collection
2.5 Center Information Sending
3 Applications
4 Conclusion
References
82 Publishing Technology Based on Multi-server for Distributed Fault Diagnosis Information
Abstract
1 Introduction
2 Fault Diagnosis System Information Flow
2.1 Data Flow Framework
2.2 Data Security Access and Release
2.3 Reliable Data Synchronization and Backup
3 Monitoring System Data Processing Key Technology
3.1 Basic Functions of the Monitoring Center
3.2 Fault Process Module
3.3 One-Way 104 Protocol
4 App Mobile Operation and Maintenance Key Technology
4.1 App Operation and Maintenance System Basic Module
4.2 Dual Mechanism Notification
4.3 App Upgrade Release and Deployment
5 Engineering Application
References
83 Lean Management Method for Distribution Network Assets Operation and Maintenance Based on RFID
Abstract
1 Introduction
2 Key Technology
2.1 Radio Frequency Identification (RFID)
2.2 Internet of Things Technology
3 Design of Lean Management Method for Power Network Assets Operation and Maintenance Based on RFID
3.1 System Architecture
3.2 Business Process of Real-Time Entry Function of Power Network Assets Record
3.3 Business Process of Real-Time Access Function for Power Network Assets Record
3.4 Business Process of Information Verification Function for Power Network Asset
4 Practical Application
5 Summary
Acknowledgements
References
84 Research on Construction of Infrared Image Classification Model of Substation Equipment Based on CNN
Abstract
1 Introduction
2 The Structure and Principle of CNN
3 Infrared Image Background Separation and Component Area Extraction
3.1 Background Separation Based on RGB and HSV Color Space Conversion
3.2 A Subsection Sample Target Area Scaling
4 The Structure and Principle of CNN-Based Infrared Graphics Classification
4.1 Construction of a Training Set
4.2 Network Construction
4.3 Network Training
4.4 Case Analysis
5 Conclusion
References

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Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control

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