This book focuses on the comprehensive prevention and control methods for short-circuit faults in power systems. Based on the quantification method of power system short-circuit fault risk considering extreme meteorological disasters, this book carries out theoretical research on optimal control of power system short-circuit faults at the planning and operation levels. The establishment of a comprehensive index system for short-circuit safety level of large power grids from several sides and the realization of a panoramic display of consequences of short-circuit faults in power grids are one of the features of this book, which are especially suitable for readers interested in learning about short-circuit fault solutions in power systems. This book can benefit researchers, engineers, and graduate students in the fields of electrical engineering, power electronics, and energy engineering.
Author(s): Chengjin Ye, Chao Guo, Yi Ding
Publisher: Springer
Year: 2023
Language: English
Pages: 188
City: Singapore
Preface
Contents
1 Risk Evaluation of Short-Circuit Fault in Power System
1.1 Descriptions of Power Systems and Their Risk Issues
1.2 Evaluation Techniques of Short-Circuit Fault Probability
1.2.1 Data-Driven Techniques
1.2.2 Analytical Techniques
1.3 Evaluation Techniques of Short-Circuit Fault Consequences
1.4 Challenges of Short-Circuit Risk Prevention and Control
1.5 Organization of This Book for Resilience Enhancement in Power System Short-Circuit Faults
References
2 Risk-Based Optimal Configuration of Fault Current Limiter in Power System
2.1 Introduction
2.2 Modeling of FCL and SCC Calculation
2.2.1 Dynamic Response Modeling of FCL
2.2.2 Modeling of SCC Calculation
2.3 Many-Objective FCL Configuration Modeling
2.3.1 Decision Variables
2.3.2 Objective Function
2.4 Solution Method
2.4.1 Coding Strategy
2.4.2 NSGA-III
2.5 Case Studies
2.5.1 Test System and Parameters
2.5.2 Pareto Solutions Analysis
2.5.3 Comparison Between the Proposed Risk-Based Method and the Traditional Deterministic Method
2.5.4 Solution Performance Analysis
2.6 Conclusion
References
3 5G-Based Optimal Configuration of Centralized Fault Current Limiter in Power System
3.1 Introduction
3.2 Framework of the 5G-Based CSF for FCLs
3.2.1 Applying 5G for CSF of FCLs
3.2.2 Backup Strategy in Case of 5G Communication Failure
3.3 Formulation of the FD Model
3.3.1 Fault SCC Magnitude Constraint
3.3.2 Voltage Sag Constraint
3.3.3 Offline Fault Scanning Scheme for Online Decision
3.4 Description of the FCL Allocation Approach
3.4.1 Description of the FCL Allocation Approach
3.4.2 Formulation of the Bi-level FCL Allocation Model
3.4.3 Solution Method
3.4.4 Case Study
3.5 Conclusion
References
4 A Multi-state Model for Power System Resilience Enhancement Against Short-Circuit Faults
4.1 Introduction
4.2 Extreme Weather Event Response Schema
4.2.1 Short-Circuit Current Limiting
4.2.2 Transient Stability Maintaining
4.2.3 Formulation of the MINLP in the Proposed Schema
4.3 Multi-state Modeling of Transmission System Resilience Enhancement
4.3.1 Multi-state Resilience Enhancement Against SCFs
4.3.2 State Generating Model
4.3.3 Traversal Procedure
4.4 Solution Method
4.4.1 Problem Reformulation
4.4.2 Searching Space Reduction
4.4.3 Heuristics Solution
4.5 Case Study
4.5.1 Scenario Generating
4.5.2 Sensitivity Analysis
4.5.3 Suggested Resilience Enhancement Scheme
4.5.4 Comparison Studies
4.6 Conclusions
References
5 Voltage Violations Assessment Considering Reactive Power Compensation Provided by Smart Inverters
5.1 Introduction
5.2 Basic Models
5.2.1 Reactive Power Compensation Mechanism of Smart Inverters
5.2.2 Models of On-Load Tap Changers and Switching Capacitors
5.2.3 Comparisons of Different Compensation Strategies
5.2.4 Voltage Deviation Indexes
5.3 Simulation Methods for Voltage Violation Assessment
5.3.1 Kernel Density Estimation of Electric Vehicle Loads and Photovoltaics Outputs
5.3.2 Slice Sampling for Voltage Violation Assessment
5.3.3 Automated Step Width Selection for Slice Sampling
5.4 Risk Assessment for Voltage Violation
5.4.1 Voltage Regulation Modes
5.4.2 Voltage Regulation Constraints
5.4.3 Risk Assessment Process
5.5 Case Studies
5.5.1 Kernel Density Estimation Results
5.5.2 Performance of Slice Sampling
5.5.3 Sensitivity Analysis
5.6 Conclusion
References
6 A Distributed MPC to Exploit Reactive Power V2G for Real-time Voltage Regulation of Post-fault Power Systems
6.1 Introduction
6.2 Basic Models of EV Chargers and the Grid
6.2.1 Operation Range of EV Chargers
6.2.2 Modeling of EV Chargers
6.2.3 Modeling of the Grid
6.3 The Framework of Proposed DMPC
6.4 DMPC Formulation
6.4.1 Prediction Models
6.4.2 Models Constraints
6.4.3 Objective Function
6.4.4 Mechanisms for DMPC
6.4.5 Pre-calculation and Communication Process
6.5 Case Study
6.5.1 Test System Description for Balanced DNs
6.5.2 Case 1: Effectiveness of DMPC Under Balanced DNs
6.5.3 Case 2: Impact of Communication Latency in Balanced DNs
6.5.4 Case 3: Effectiveness of DMPC Under Unbalanced DNs
6.6 Conclusion
References
7 A Stochastic Unit Commitment to Enhance Frequency Security of Post-fault Power Systems
7.1 Introduction
7.2 The Proposed Integration-Based Frequency Security Criterion
7.2.1 Frequency Deviation During the PFR Process
7.2.2 Frequency Deviation During the SFR Process
7.3 Stochastic Frequency Security-Constrained Unit Commitment Model
7.3.1 First-Stage Problem: Coordination of Cost and Risk
7.3.2 Second Stage Problem: Risk Assessment
7.4 Solution Methodology
7.4.1 Problem Linearization
7.4.2 Regularized L-shape Algorithm
7.5 Case Study
7.5.1 Parameter Setting
7.5.2 Reserve Dispatch Under Different Security Requirements
7.5.3 Comparative Analysis Between the Proposed Frequency Security Criterion and the Conventional Criteria
7.5.4 Validation of the Proposed Frequency Security Criterion
7.5.5 Impacts of Operation Life and Hurricane Intensities on Operation Cost
7.6 Conclusion
References
8 A Data-Driven Reserve Allocation Method with Frequency Security Constraint of Post-fault Power System Considering Inverter Air Conditioners
8.1 Introduction
8.2 Modeling of Power System Frequency Response Integrated with IACs
8.2.1 Power System Frequency Response Model
8.2.2 Equivalent Frequency Response Model of IACs
8.2.3 Power System Frequency Response Model with Aggregated IACs
8.3 Data-Driven Reserve Allocation with the Frequency Security Constraint
8.3.1 Problem Description
8.3.2 Data-Driven Approximation of Frequency Security Constraint
8.3.3 Suggest-and-Improve Method for QCQP
8.4 Case Studies
8.4.1 Aggregation of IACs
8.4.2 Reserve Allocation Results
8.5 Conclusion
References
9 Iterative Online Fault Identification Scheme for High Voltage Circuit Breaker
9.1 Introduction
9.2 HVCB Condition Monitoring System
9.2.1 Current in the Coil
9.2.2 Vibration Signal
9.2.3 Framework of the HVCB Condition Monitoring System
9.3 Missing Data Repair Method
9.3.1 KNN-Based Clustering
9.3.2 ELM for Data Estimation
9.3.3 K-D Tree-Based Fast Scanning Technique
9.4 Softmax Classifier for HVCB Status Identification
9.5 Procedure of Iterative HVCB Diagnosis Utilizing Repaired Data
9.6 Realistic Case Studies
9.6.1 Case Description
9.6.2 Accuracy Validation
9.6.3 Searching Efficiency Validation
9.7 Conclusion
References
