Voltage Stability of Electric Power Systems – Thierry V. Cutsem, Costas Vournas – 1st Edition

PREFACE

Part I COMPONENTS AND PHENOMENA

1 INTRODUCTION
1.1 Why another Book?
1.2 Voltage Stability
1.3 Power System Stability Classification
1.4 Structure of this Book
1.5 Notation

2 TRANSMISSION SYSTEM ASPECTS
2.1 Single-Load Infinite-Bus System
2.2 Maximum Deliverable Power
2.3 Power-Voltage Relationships
2.4 Generator Reactive Power Requirement
2.5 A First Glance at Instability Mechanisms
2.6 Effect of Compensation
2.7 VQ Curves
2.8 Effect of Adjustable Transformer Ratios
2.9 Problems

3 GENERATION ASPECTS
3.1 A review of synchronous machine theory
3.2 Frequency and voltage controllers
3.3 Limiting devices affecting voltage stability
3.4 Voltage-reactive power characteristics of synchronous generators
3.5 Capability curves
3.6 Effect of machine limitations on deliverable power
3.7 Problems

4 LOAD ASPECTS
4.1 Voltage Dependence of Loads
4.2 Load Restoration Dynamics
4.3 Induction Motors
4.4 Load Tap Changers
4.5 Thermostatic Load Recovery
4.6 Generic Aggregate Load Models
4.7 HVDCLinks
4.8 Problems

Part II INSTABILITY MECHANISMS AND ANALYSIS METHODS

5 MATHEMATICAL BACKGROUND
5.1 Differential Equations (qualitative theory)
5.2 Bifurcations
5.3 Differential-Algebraic Systems
5.4 Multiple time scales

6 MODELLING: SYSTEM PERSPECTIVE
6.1 Outline of a general dynamic model
6.2 Network modelling
6.3 A detailed example
6.4 Time-scale decomposition perspective
6.5 Equilibrium equations for voltage stability studies
6.6 Detailed example (continued): equilibrium formulation
6.7 Number-Crunching Problem

7 LOADABILITY, SENSITIVITY AND BIFURCATION ANALYSIS
7.1 Loadability Limits
7.2 Sensitivity Analysis
7.3 Bifurcation Analysis
7.4 Eigenvector and Singular Vector Properties
7.5 Loadability or Bifurcation Surface
7.6 Loadability Limits in the Presence of Discontinuities
7.7 Problems

8 INSTABILITY MECHANISMS AND COUNTERMEASURES
8.1 Types of Countermeasures
8.2 Classification of Instability Mechanisms
8.3 Examples of Short-term Voltage Instability
8.4 Countermeasures to Short-term Instability
8.5 Case Studies of Long-term Voltage Instability
8.6 Corrective Actions against Long-term Instability
8.7 Problems

9 CRITERIA AND METHODS FOR VOLTAGE SECURITY ASSESSMENT
9.1 Voltage Security: Definitions and Criteria
9.2 Contingency Evaluation
9.3 Loadability Limit Computation
9.4 Secure Operation Limit Determination
9.5 Eigenanalysis for Instability Diagnosis
9.6 Examples from a Real-life System
9.7 Real-time Issues

REFERENCES
INDEX