Power Systems Course Introduction
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Branch of electrical engineering where we study in depth for its design, operation, maintenance, and analysis.
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Generation, transmission and distribution of electrical energy form a huge complex system termed as Electric Power System.
Contributed phenomenal advances to human kind over past centuries
\(\checkmark\) Electrical power is somewhat like air we breathe
\(\checkmark\) We think of it only when it is missing
Reference Text Books
Contents Overview
- Chapter-1: Inductance and Resistance of TL
- Chapter-2: Capacitance of Transmission Lines
- Chapter-3: PS Components & Representation
- Chapter-4: Characteristics & Performance of TL
- Chapter-5: Load Flow Studies
- Chapter-6: Symmetrical Fault Analysis
- Chapter-7: Symmetrical Components
- Chapter-8: Unsymmetrical Fault Analysis
- Chapter-9: Power System Stability
- Chapter-10: Power System Transients
INDUCTANCE & RESISTANCE OF TL:
Definition of Inductance and Calculation
Flux linkages of an Isolated Currentcarrying Conductor
Inductance of a Singlephase Twowire Line
Types of Conductors
Flux Linkages of One Conductor in Group
Inductance of Composite Conductor Lines
Inductance of \(3-\Phi\) lines
DoubleCircuit \(3-\Phi\) lines
Bundled Conductors
Resistance
Skin and Proximity effects
Magnetic field Induction
CAPACITANCE OF TRANSMISSION LINES:
Electric field of a long straight conductor
Potential diff between conductors of a group of parallel conductors
Capacitance of a 2-wire line
Capacitance of a \(3-\Phi\) line with equilateral spacing
Capacitance of a \(3-\Phi\) line with Unsymmetrical spacing
Effect of earth on TL capacitance
Method of GMD
Bundled Conductors
Electrostatic Induction
POWER SYSTEM COMPONENTS & REPRESENTATION:
\(1-\Phi\) representation of a balanced \(3-\Phi\) networks
Oneline diagram
Impedance or Reactance diagram
PerUnit (PU) system
Complex power
Steadystate model of Synchronous Machine
Power Transformer
Transmission of Electric Power
System protection
Representation of Loads
CHARACTERISTICS & PERFORMANCE OF POWER TL:
Short Transmission Line
Medium Transmission Line
Long Transmission Line
Equivalent Circuit of a Long Line
Interpretation of the Long Line Equations
Ferranti Effect
Tuned Power Lines
Power flow through a TL
Methods of Voltage Control
LOAD FLOW STUDIES:
Network Model Formulation
Formulation of \(Y_{BUS}\)
Load Flow Problem
GaussSiedel Method
NewtonRaphson Method
Decoupled Load Flow Studies
Comparison of Load Flow Studies
SYMMETRICAL FAULT ANALYSIS:
Transients on a TL
Synchronous Machine ShortCircuit (on No Load)
ShortCircuit of Loaded Synchronous Machine
Selection of Circuit Breakers
Algorithm for ShortCircuit Studies
\(Z_{BUS}\) formulation
SYMMETRICAL COMPONENTS:
Symmetrical Component Transformation
PhaseShift in \(Y\Delta\) Transformers
Sequence Impedance of TL
Sequence Impedance and Sequence Network of PS
Sequence Impedance and Network of Syn Machine
Sequence Impedance of TL
Sequence Impedance of Transformers
Construction of Sequence Networks of PS
UNSYMMETRICAL FAULT ANALYSIS:
Symmetrical Component Analysis of Unsymm Faults
Single LinetoGround (LG) Fault
LinetoLine (LL) Fault
Double LinetoGround (LLG) Fault
Open Conductor Faults
\(Z_{BUS}\) matrix method for Unsymm Shunt Fault analysis
POWER SYSTEM STABILITY:
Dynamics of a Synchronous Machines
Power Angle Equation
Node Elimination Technique
Simple Systems
Steady State Stability
Transient Stability
Equal Area Criterion
Numerical Solution of Swing Equation
Multimachine Stability
Factors affecting Transient Stability
POWER SYSTEM TRANSIENTS:
Types of System Transients
Travelling Waves and Surge Propagation
Generation of Over voltages on TL
Protection of TL against lightning
Protection of PS equipment against Surges
Insulation Coordination