Power system analysis /

Power System Analysis is a comprehensive text designed for an undergraduate course in electrical engineering. Written in a simple and easy-to-understand manner, the book introduces the reader to power system network matrices and power system steady-state stability analysis. The book contains in-dept...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Ramana, N. V.
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Noida, India : Pearson, ©2011.
Colección:Always learning.
Temas:
Electric power systems > Design and construction.
Electrical engineering > Textbooks.
System analysis.
Systems Analysis
Analyse de systèmes.
systems analysis.
Electrical engineering.
Textbooks.
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)
Tabla de Contenidos:
  • Cover
  • About the Author
  • Contents
  • Preface
  • Chapter 1: Introduction
  • 1.1 Power System Studies
  • 1.1.1 Network Modelling Stage
  • 1.1.2 Mathematical Modelling Stage
  • 1.1.3 Solution Stage
  • 1.2 Organisation of Text Book
  • 1.3 Computer's Role in Power System Studies
  • 1.4 Matlab Fundamentals
  • 1.4.1 Basics of MATLAB
  • Chapter 2: Power System Network Matrices-1
  • 2.1 Introduction
  • 2.2 Graph of a Power System Network
  • 2.3 Definitions
  • 2.3.1 Graph
  • 2.3.2 Planar and Non-Planar Graphs
  • 2.3.3 Rank of a Graph
  • 2.3.4 Oriented Graph
  • 2.3.5 Sub-Graph
  • 2.3.6 Path
  • 2.3.7 Connected Graph
  • 2.3.8 Tree
  • 2.3.9 Co-Tree
  • 2.3.10 Basic Loops or Fundamental f -Loops
  • 2.3.11 Basic Cutsets or Fundamental f -Cutsets
  • 2.4 Incidence Matrices
  • 2.4.1 Element Node Incidence Matrix (Â )
  • 2.4.2 Bus Incidence Matrix (A)
  • 2.4.3 Branch Path Incidence Matrix (P)
  • 2.4.4 Basic Cutset (or) Fundamental Cutset Incidence Matrix (C)
  • 2.4.5 Augmented or Tie Cutset Incidence Matrix (C)
  • 2.4.6 Basic or Fundamental f -loop Incidence Matrix (L)
  • 2.4.7 Augmented Loop Incidence Matrix L
  • 2.5 Primitive Network
  • 2.5.1 Primitive Network in Impedance Form
  • 2.5.2 Primitive Network in Admittance Form
  • 2.6 Network Equations and Network Matrices
  • 2.7 Bus Admittance Matrix
  • 2.7.1 Direct Inspection Method
  • 2.7.2 Step-by-Step Procedure
  • 2.8 Network Matrices by Singular Transformation Method
  • 2.8.1 Bus Admittance Matrix
  • 2.8.2 Branch Admittance Matrix
  • 2.8.3 Loop Impedance Matrix or Admittance Matrix
  • 2.9 Network Matrices by Non-Singular Transformation Method
  • 2.9.1 Branch Admittance Matrix
  • 2.9.2 Loop Impedance and Loop Admittance Matrix
  • 2.9.3 Bus Admittance and Bus Impedance Matrices
  • 2.9.4 Algorithm for Singular and Non-Singular Transformation Methods
  • Questions from Previous Question Papers.
  • Competitive Examination Questions
  • Chapter 3: Power System Network Matrices-2
  • 3.1 Introduction
  • 3.2 Partial Network
  • 3.3 Case Studies in Zbus Algorithm
  • 3.4 Algorithm for Formation of Bus Impedance Matrix-No Mutual Coupling between the Elements
  • 3.4.1 Type-1 Modification
  • 3.4.2 Type-2 Modification
  • 3.4.3 Type-3 Modification
  • 3.4.4 Type-4 Modification
  • 3.4.5 MATLAB Program for Zbus Formation
  • 3.5 Algorithm for the Formation of Zbus- Consideration of Mutually Coupled Elements
  • 3.5.1 Type-1 and Type-2 Modifications
  • 3.5.2 Type-3 and Type-4 Modifications
  • 3.5.3 Summary of Formulas
  • 3.6 Modifications In Zbus for Changes in the Network
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Chapter 4: Power Flow Studies-1
  • 4.1 Introduction
  • 4.1.1 Basic Applications of Power Flow Studies and its Significance in Power System Operation and Control:
  • 4.1.2 Data Preparation:
  • 4.2 Network Modelling
  • 4.3 Mathematical Modelling
  • 4.3.1 Mathematical Model for Stage-1 Quantities
  • 4.3.2 Mathematical Modeling for Stage-2 Quantities
  • 4.4 Gauss-Seidel Iterative Method
  • 4.5 Classification of Buses
  • 4.5.1 PQ Bus or Load Bus
  • 4.5.2 PV Bus or Generator Bus
  • 4.5.3 Voltage Controlled Buses
  • 4.5.4 Slack Bus/Swing Bus/Reference Bus
  • 4.6 Case Studies in Power Flow Problem
  • 4.7 Algorithm for Power Flow Solution by the Gauss-Seidel Method
  • 4.7.1 Case-1: GS Method to obtain Bus Quantities when the PV Buses are Absent
  • 4.7.2 Case-2: GS Method to obtain Bus Quantities when the PV Buses are Present
  • 4.7.3 Flow Chart: Power Flow Solution by GS Method
  • 4.8 Conclusion
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Chapter 5: Power Flow Studies-2
  • 5.1 Introduction
  • 5.2 Newton-Raphson Method
  • 5.2.1 NR Method for Single-Valued Functions.
  • 5.2.2 NR Method for Multi-Valued Function
  • 5.3 Power Flow Solution by Newton-Raphson Method
  • 5.3.1 NR Method when Bus Voltages are Expressed in the Polar Form
  • 5.3.4 NR Method when Bus Voltages are Expressed in the Rectangular Form
  • 5.3.5 Comparison of Gauss-Seidel and Newton-Raphson Method
  • 5.4 Decoupled Newton Method
  • 5.4.1 Algorithm for Decoupled Power Flow Method
  • 5.5 Fast Decoupled Power Flow Method
  • 5.5.1 Algorithm for Fast-Decoupled Power Flow Method
  • 5.5.2 Comparison of NR, Decoupled and Fast Decoupled Power Flow Methods
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Chapter 6: Short-Circuit Analysis-1 (Symmetrical Fault Analysis)
  • 6.1 Introduction
  • 6.1.1 Applications of Short Circuit Study
  • 6.2 Power System Representation
  • 6.2.1 Description of the Single Line Diagram Representation
  • 6.2.2 Assumptions made in Fault Calculations
  • 6.2.3 Network Modeling
  • 6.3 Per Unit Method
  • 6.3.1 Selection of Base Values
  • 6.3.2 Base Quantities
  • 6.3.3 Advantages of the Per Unit Method
  • 6.4 Symmetrical Fault Caculation
  • 6.4.1 Thevenin's Equivalent Circuit
  • 6.4.2 Calculation of Symmetrical Fault Currents
  • 6.5 Current-Limiting Series Reactors
  • 6.5.1 Generator Reactors
  • 6.5.2 Feeder Reactors
  • 6.5.3 Bus Bar Reactors
  • 6.6 Consideration of Pre-Fault Load Current
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Chapter 7: Short-Circuit Analysis-2 (Unbalanced Fault Analysis)
  • 7.1 Introduction
  • 7.2 Symmetrical Components
  • 7.2.1 Operator a
  • 7.2.2 Sequence Components in Terms of Operator a
  • 7.3 Sequence Impedances
  • 7.3.1 Sequence Impedances of Individual Components
  • 7.3.1 Summary of Sequence Components
  • 7.4 Sequence Networks
  • 7.4.1 Generator Representation in Three-Sequence Networks.
  • 7.4.2 Transformer Representation in the Three Sequence Networks
  • 7.4.3 Transmission Line Representation
  • 7.4.4 Summary of Sequence Networks
  • 7.5 Unbalanced or Unsymmetrical Fault Analysis
  • 7.5.1 Single Line-to-Ground Fault (SLG Fault)
  • 7.5.2 Double Line Fault (LL Fault)
  • 7.5.3 Double Line-to-Ground (LLG) Fault
  • 7.5.4 Three-Phase Symmetrical Fault in Terms of Sequence Components
  • 7.6 Comparison of SLG and 3-Phase Faults
  • 7.7 Consideration of Pre-Fault Load Currents
  • 7.8 Fault Calculations Using Bus Impedance Matrix
  • 7.8.1 Three-Phase Symmetrical Fault
  • 7.8.2 Single Line-to-Ground Fault
  • 7.8.3 Double Line Fault (LL Fault)
  • 7.8.4 Double Line-to-Ground Fault
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Chapter 8: Power System Steady-State Stability Analysis
  • 8.1 Introduction
  • 8.2 Forms of Power System Stability
  • 8.2.1 Small Signal Analysis
  • 8.2.2 Large Signal Analysis-Transient Stability
  • 8.3 Physical Concept of Torque and Torque Angle
  • 8.4 Power Angle Curve and Transfer Reactance
  • 8.5 The Swing Equation
  • 8.6 Modelling Issues in the Stability Analysis
  • 8.6.1 Synchronous Machine Model
  • 8.6.2 Power System Model
  • 8.6.3 Multi-Machine System
  • 8.7 Assumptions made in Steady-State Stability Analysis
  • 8.8 Steady-State Stability Analysis
  • 8.9 Methods to Improve Steady-State Stability
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Chapter 9: Transient Stability
  • 9.1 Transient Stability-Equal Area Criterion
  • 9.1.1 Mathematical Approach to EAC
  • 9.1.2 Application of Equal Area Criterion
  • 9.1.3 Determination of Critical Clearing Angle
  • 9.1.4 Determination of Critical Clearing Time [tcr]
  • 9.1.5 Determination of Transfer Reactance Before, During and After Fault Conditions.
  • 9.2 II Solution of the Swing Equation: Point-By-Point Method
  • 9.3 Methods to Improve Transient Stability
  • Questions from Previous Question Papers
  • Competitive Examination Questions
  • Answers to Selected Competitive Examination Questions
  • Index.

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