Intro
Committee Member
Preface
Contents
About the Editors
Photovoltaic Generation Scenario Reduction Method Based on Improved K-Means Clustering
1 Introduction
2 Environmental Factors Affecting PV Output
2.1 Effect of Solar Irradiation Intensity on PV Output
2.2 Effect of Module Surface Temperature on PV Output
3 Photovoltaic Power Output Model
4 Density Peak-Based K-Means Clustering Algorithm
4.1 Traditional K-Means Clustering Algorithm
4.2 Improved K-Means Clustering Algorithm
5 Example Analysis
5.1 Validation of the Improved K-Means Clustering

5.2 Improved K-Means Clustering for Typical Daily Scenario Generation
6 Conclusion
References
Research on the Optimization of Fixed Value Boundary of Line Distance Protection Load Impedance
1 Introduction
2 Accident Analysis
3 Optimization Scheme of Fixed Values
3.1 Analysis of Action Zone of Polygonal Impedance Element
3.2 Logic Optimization of Action Zone
4 Device Testing
4.1 Action Zone Verification
4.2 Fault Replay Test
5 Conclusions
References
Fuzzy Adaptive Tuning PI Control Based MPPT Method for Variable Speed Wind Turbine System
1 Introduction

2 System Model
2.1 Wind Turbine Aerodynamic Model
2.2 Drive Trains Model
2.3 Generator Model
3 Controller Design
3.1 FATPI Controller Design
4 Simulation Results
5 Conclusion
Appendix A
References
Research on Distribution of Grounding Current Based on Different Earth Models
1 Introduction
2 Analysis of IGF Based on Multiple Geomagnetic Storm Events
2.1 Kriging Method
2.2 Grounding Potential Algorithm
3 Construction of Earth Resistivity Model
4 Example Analysis
4.1 Calculation Results of Bias Current

4.2 Distribution Law of Magnetic Bias Current
5 Conclusion
References
Key Factors Identification for the Energy Efficiency of Metro System Based on DEMATEL-ISM
1 Introduction
2 Analysis of Factors Influencing Energy Efficiency of the Metro System
3 Analysis of Factors Influencing Energy Efficiency of the Metro System
3.1 DEMATEL-ISM Model Method
3.2 Analysis of the Importance of Influencing Factors
3.3 Construction of Multi-level Hierarchical Model for Influencing Factors
4 Results Analysis
5 Conclusion
References

A Design of Embedded Servo Measurement and Control System in High Performance
1 Introduction
2 Overall Design of the Measurement and Control System
3 Hardware Design of the System
3.1 Design and Selection of the Main Control Part
3.2 Design and Selection of Deputy Control Part
4 Software Design of the System
4.1 The Software Design of the Lower Computer
4.2 The Software Design of the Upper Computer
5 System Test
5.1 The Performance Test of 1553B Bus and CAN Bus Communication
5.2 Servo System Assembly Test
6 Conclusions
References