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Power System Wide-area Stability Analysis and Control

  • ID: 4384539
  • Book
  • June 2018
  • 524 Pages
  • John Wiley and Sons Ltd

An essential guide to the stability and control of power systems integrating large–scale renewable energy sources

The rapid development of smart grids and the integration of large scale renewable energy have added daunting new layers of complexity to the long–standing problem of power system stability control. This book offers a systematic stochastic analysis of these nonlinear problems and provides comprehensive countermeasures to improve power system performance and control with large–scale, hybrid power systems.

Power system stability analysis and control is by no means a new topic. But the integration of large scale renewable energy sources has added many new challenges which must be addressed, especially in the areas of time variance, time delay, and uncertainties. Robust, adaptive control strategies and countermeasures are the key to avoiding inadequate, excessive, or lost loads within hybrid power systems. Written by an internationally recognized innovator in the field, this book describes the latest theory and methods for handling power system angle stability within power networks. Dr. Jing Ma analyzes and provides control strategies for large scale power systems and outlines state–of–the–art solutions to the entire range of challenges facing today′s power systems engineers.

  • Features nonlinear, stochastic analysis of power system stability and control
  • Offers proven countermeasures to optimizing power system performance
  • Focuses on nonlinear time–variance, long time–delays, high uncertainties and comprehensive countermeasures
  • Emphasizes methods for analyzing and addressing time variance and delay when integrating large–scale renewable energy
  • Includes rigorous algorithms and simulations for the design of analysis and control modeling

Power System Wide–area Stability Analysis and Control is essential reading for researchers studying power system stability analysis and control, engineers working on power system dynamics and stability, and graduate students in electrical engineering interested in the burgeoning field of smart, wide–area power systems.

Note: Product cover images may vary from those shown

About the Author ix

Preface xi

1 Basic Theories of Power System Security Defense 1

1.1 Introduction 1

1.2 Power System Reliability and Stability 2

1.2.1 Reliability of Power System 2

1.2.2 Stability of Power System 4

1.3 Three Defense Lines in the Power System 7

1.3.1 Classification of Disturbance in the Power System 7

1.3.2 Power System Operation State 8

1.3.3 Three Defense Lines in Power System Stability Control 10

1.3.4 Functions of Defense System 12

1.4 Summary 15

References 15

2 Power System Analysis and Control Theory 17

2.1 Introduction 17

2.2 Mathematical Model of Power System 17

2.2.1 Mathematical Model of Synchronous Generator 17

2.2.2 Mathematical Model of Excitation System 22

2.2.3 Mathematical Model of Prime Mover and Speed Governor 24

2.2.4 Mathematical Model of Load 27

2.3 Power System Stability Analysis Method 29

2.3.1 Time ]Domain Simulation Method 29

2.3.2 Eigenvalue Analysis Method 31

2.3.3 Transient Energy Function Method 33

2.4 Automatic Control Theory 33

2.4.1 Classical Control Theory 34

2.4.2 Modern Control Theory 35

2.4.3 Large System Theory and Intelligent Control Theory 36

2.5 Summary 38

References 38

3 Wide ]Area Information Monitoring 41

3.1 Introduction 41

3.2 Test System 41

3.2.1 Four ]Generator Two ]Area System 41

3.2.2 Sixteen ]Generator System 42

3.2.3 Western Electricity Coordinating Council 43

3.3 Optimal Selection of Wide ]Area Signal 44

3.3.1 Wide ]Area Signal Selection Method Based on the Contribution Factor 44

3.3.2 Simulation Verification 48

3.4 Optimal Selection of Wide ]Area Controller 57

3.4.1 Mathematical Background 57

3.4.2 Example Test System 62

3.4.3 GPSS Based on Collocated Controller Design 63

3.4.4 Testing Results and Analysis 64

3.5 Summary 70

References 71

4 Stability Analysis of Stochastic System 73

4.1 Introduction 73

4.2 Stability Analysis of Stochastic Parameter System 74

4.2.1 Interval Model and Second ]Order Perturbation Theory ]Based Modal Analysis 74

4.2.2 Power System Small ]Signal Stability Region Calculation Method Based on the Guardian Map Theory 82

4.3 Stability Analysis of Stochastic Structure System 102

4.3.1 Model ]Trajectory ]Based Method for Analyzing the Fault System 102

4.3.2 Angle Stability Analysis of Power System Considering Cascading Failure 119

4.4 Stability Analysis of Stochastic Excitation System 137

4.4.1 Model of Multiple Operating Conditions System Considering the Stochastic Characteristic of Wind Speed 137

4.4.2 Simulation Analysis 146

4.5 Summary 152

References 153

5 Stability Analysis of Time ]Delay System 155

5.1 Introduction 155

5.2 Stability Analysis of a Non ]Jump Time ]Delay System 156

5.2.1 Stochastic Stability Analysis of Power System with Time Delay Based on Itô Differential 156

5.2.2 Stochastic Time ]Delay Stability Analysis of a Power System with Wind Power Connection 168

5.3 Stability Analysis of a Jump Time ]Delay System 182

5.3.1 Jump Power System Time ]Delay Stability Analysis Based on Discrete Markov Theory 182

5.3.2 Time ]Delay Stability Analysis of Power System Based on the Fault Chains and Markov Process 196

5.4 Summary 208

Appendix A 209

References 210

6 Wide ]Area Robust Control 213

6.1 Introduction 213

6.2 Robust Control for Internal Uncertainties 214

6.2.1 Multiobjective Robust H2/H Control Considering Uncertainties for Damping Oscillation 214

6.2.2 Robust H2/H Control Strategy Based on Polytope Uncertainty 221

6.3 Optimal Robust Control 226

6.3.1 Wide ]Area Damping Robust Control Based on Nonconvex Stable Region 226

6.3.2 Wide ]Area Damping Robust H2/H Control Strategy Based on Perfect Regulation 236

6.4 Error Tracking Robust Control 243

6.4.1 Control Algorithm 245

6.4.2 Simulation Verification 248

6.5 Summary 251

References 252

7 Wide ]Area Adaptive Control 253

7.1 Introduction 253

7.2 Adaptive Control Considering Operating Condition Identification 254

7.2.1 Federated Kalman Filter Based Adaptive Damping Control of Inter ]Area Oscillations 254

7.2.2 Classification and Regression Tree Based Adaptive Damping Control of Inter ]Area Oscillations 268

7.3 Adaptive Control Considering Controller Switching 288

7.3.1 Dual Youla Parameterization Based Adaptive Wide ]Area Damping Control 288

7.3.2 Continuous Markov Model Based Adaptive Control Strategy for Time ]Varying Power System 303

7.3.3 Discrete Markov Model Based Adaptive Control Strategy of Multiple ]Condition Power System 318

7.3.4 Adaptive Controller Switching Considering Time Delay 327

7.4 Summary 339

References 340

Index 341

Note: Product cover images may vary from those shown
Jing Ma
Note: Product cover images may vary from those shown