|
Title Page |
3 |
|
|
Copyright Page |
4 |
|
|
Preface |
5 |
|
|
Table of Contents |
7 |
|
|
1 Introduction |
12 |
|
|
1.1 Principles of Deregulation |
12 |
|
|
1.2 Overview of Deregulation Worldwide |
13 |
|
|
1.2.1 Regulated vs Deregulated |
14 |
|
|
1.2.2 Typical Electricity Markets |
16 |
|
|
1.3 Uncertainties in a Power System |
17 |
|
|
1.3.1 Load Modeling Issues |
18 |
|
|
1.3.2 Distributed Generation |
21 |
|
|
1.4 Situational Awareness |
21 |
|
|
1.5 Control Performance |
22 |
|
|
1.5.1 Local Protection and Control |
23 |
|
|
1.5.2 Centralized Protection and Control |
25 |
|
|
1.5.3 Possible Coordination Problem in the Existing Protection and Control System |
26 |
|
|
1.5.4 Two Scenarios to Illustrate the Coordination Issues among Protection and Control Systems |
27 |
|
|
1) Load Shedding or Generator Tripping |
27 |
|
|
2) Zone 3 Protection |
29 |
|
|
1.6 Summary |
30 |
|
|
References |
30 |
|
|
2 Fundamentals of Emerging Techniques |
33 |
|
|
2.1 Power System Cascading Failure and Analysis Techniques |
33 |
|
|
2.2 Data Mining and Its Application in Power System Analysis |
37 |
|
|
2.3 Grid Computing |
39 |
|
|
2.4 Probabilistic vs Deterministic Approaches |
41 |
|
|
2.5 Phasor Measurement Units |
44 |
|
|
2.6 Topological Methods |
45 |
|
|
2.7 Power System Vulnerability Assessment |
46 |
|
|
2.8 Summary |
49 |
|
|
3 Data Mining Techniques and Its Application in Power Industry |
55 |
|
|
3.1 Introduction |
55 |
|
|
3.2 Fundamentals of Data Mining |
56 |
|
|
3.3 Correlation, Classification and Regression |
57 |
|
|
3.4 Available Data Mining Tools |
59 |
|
|
3.5 Data Mining based Market Data Analysis |
61 |
|
|
3.5.1 Introduction to Electricity Price Forecasting |
61 |
|
|
3.5.2 The Price Spikes in an Electricity Market |
62 |
|
|
3.5.3 Framework for Price Spike Forecasting |
64 |
|
|
3.5.4 Problem Formulation of Interval Price Forecasting |
73 |
|
|
3.5.5 The Interval Forecasting Approach |
75 |
|
|
3.6 Data Mining based Power System Security Assessment |
80 |
|
|
3.6.1 Background |
82 |
|
|
3.6.2 Network Pattern Mining and Instability Prediction |
84 |
|
|
3.7 Case Studies |
89 |
|
|
3.7.2 Case Study on Interval Price Forecasting |
93 |
|
|
3.7.3 Case Study on Security Assessment |
99 |
|
|
3.8 Summary |
102 |
|
|
References |
102 |
|
|
4 Grid Computing |
105 |
|
|
4.1 Introduction |
105 |
|
|
4.2 Fundamentals of Grid Computing |
106 |
|
|
4.2.1 Architecture |
107 |
|
|
4.2.2 Features and Functionalities |
108 |
|
|
4.2.3 Grid Computing vs Parallel and Distributed Computing |
110 |
|
|
4.3 Commonly used Grid Computing Packages |
111 |
|
|
4.3.1 Available Packages |
111 |
|
|
4.3.2 Projects |
112 |
|
|
4.3.3 Applications in Power Systems |
114 |
|
|
4.4 Grid Computing based Security Assessment |
115 |
|
|
4.5 Grid Computing based Reliability Assessment |
117 |
|
|
4.6 Grid Computing based Power Market Analysis |
118 |
|
|
4.7 Case Studies |
119 |
|
|
4.7.1 Probabilistic Load Flow |
119 |
|
|
4.7.2 Power System Contingency Analysis |
121 |
|
|
4.7.3 Performance Comparison |
121 |
|
|
4.8 Summary |
123 |
|
|
5 Probabilistic vs Deterministic Power System Stability and Reliability Assessment |
126 |
|
|
5.1 Introduction |
126 |
|
|
5.2 Identify the Needs for the Probabilistic Approach |
127 |
|
|
5.2.1 Power System Stability Analysis |
127 |
|
|
5.2.2 Power System Reliability Analysis |
128 |
|
|
5.2.3 Power System Planning |
129 |
|
|
5.3 Available Tools for Probabilistic Analysis |
130 |
|
|
5.3.1 Power System Stability Analysis |
130 |
|
|
5.3.2 Power System Reliability Analysis |
132 |
|
|
5.3.3 Power System Planning |
132 |
|
|
5.4 Probabilistic Stability Assessment |
134 |
|
|
5.4.1 Probabilistic Transient Stability Assessment Methodology |
134 |
|
|
5.4.2 Probabilistic Small Signal Stability Assessment Methodology |
136 |
|
|
5.5 Probabilistic Reliability Assessment |
137 |
|
|
5.5.1 Power System Reliability Assessment |
137 |
|
|
5.5.2 Probabilistic Reliability Assessment Methodology |
140 |
|
|
5.6 Probabilistic System Planning |
144 |
|
|
5.6.1 Candidates Pool Construction |
144 |
|
|
5.6.2 Feasible Options Selection |
145 |
|
|
5.6.3 Reliability and Cost Evaluation |
145 |
|
|
5.6.4 Final Adjustment |
145 |
|
|
5.7 Case Studies |
146 |
|
|
5.7.1 A Probabilistic Small Signal Stability Assessment Example |
146 |
|
|
5.7.2 Probabilistic Load Flow |
149 |
|
|
5.8 Summary |
151 |
|
|
References |
152 |
|
|
6 Phasor Measurement Unit and Its Applicationin Modern Power Systems |
155 |
|
|
6.1 Introduction |
155 |
|
|
6.2 State Estimation |
159 |
|
|
6.2.1 An Overview |
159 |
|
|
6.2.2 Weighted Least Squares Method |
160 |
|
|
6.2.3 Enhanced State Estimation |
162 |
|
|
6.3 Stability Analysis |
165 |
|
|
6.3.1 Voltage and Transient Stability |
166 |
|
|
6.3.2 Small Signal Stability—Oscillations |
168 |
|
|
6.4 Event Identification and Fault Location |
170 |
|
|
6.5 Enhance Situation Awareness |
172 |
|
|
6.6 Model Validation |
175 |
|
|
6.7 Case Study |
177 |
|
|
6.7.1 Overview |
178 |
|
|
6.7.2 Formulation of Characteristic Ellipsoids |
178 |
|
|
6.7.3 Geometry Properties of Characteristic Ellipsoids |
180 |
|
|
6.7.4 Interpretation Rules for Characteristic Ellipsoids |
181 |
|
|
6.7.5 Simulation Results |
183 |
|
|
6.8 Conclusion |
187 |
|
|
References |
187 |
|
|
7 Conclusions and Future Trends in Emerging Techniques |
193 |
|
|
7.1 Identified Emerging Techniques |
193 |
|
|
7.2 Trends in Emerging Techniques |
194 |
|
|
7.3 Further Reading |
195 |
|
|
7.3.1 Economic Impact of Emission Trading Schemes and Carbon Production Reduction Schemes |
195 |
|
|
7.3.2 Power Generation based on Renewable Resources such as Wind |
197 |
|
|
7.3.3 Smart Grid |
198 |
|
|
7.4 Summary |
199 |
|
|
References |
199 |
|
|
Appendix |
202 |
|
|
A.1 Weibull Distribution |
202 |
|
|
A1.1 An Illustrative Example |
203 |
|
|
A.2 Eigenvalues and Eigenvectors |
204 |
|
|
A.3 Eigenvalues and Stability |
205 |
|
|
References |
207 |
|
|
Index |
208 |
|