Syllabus Content
Unit-1: Basic Principles
Power in single phase AC circuits, Complex power, Complex power balance, Complex power flow, Balanced Three Phase Circuits, Star connected loads, Delta connected loads, Delta-star transformation, Per phase analysis, Balanced three phase power
Unit-2: Representation of Power System Components
One line and impedance diagram, Per unit system, Per unit representation of transformer, Per unit impedance diagram of power system, Examples – per unit system and impedance diagram, Synchronous machine, Power factor and power control, Salient pole synchronous generator, Operating chart of a synchronous generator, Representation of loads
Unit-3: Transmission Line Modeling and Performance
Introduction, Short transmission line, Medium transmission line, Long transmission line – Rigorous solution,Evaluation of ABCD constants, Interpretation of long line equations, Ferranti effect,Tuned power lines, Power through a transmission line, Circle diagrams, Methods of voltage control, Examples.
Unit-4: Symmetrical Fault Analysis
Introduction, Transient on a transmission line, Short circuit of a synchronous machine on no load, short circuit of a loaded synchronous machine, Selection of circuit breakers, Examples, ZBUS formulation – by inverting YBUS, current injection technique, ZBUS building algorithm (Type – 1, 2, 3, 4 modifications)
Unit-5: Symmetrical Components
Symmetrical component transformation, Phase shift in star-delta transformers, Sequence impedances of transmission lines, Sequence - impedances and networks of synchronous machines, Sequence impedances and networks of transformers, Construction of sequence networks of a power system, Examples.
Unit-6: Unsymmetrical Fault Analysis
Introduction, Symmetrical component analysis of unsymmetrical faults, Single line to ground fault, Line to line fault, Double line to ground fault, Open conductor faults
Unit-7: Corona
Critical Disruptive Voltage, Corona Loss, Line Design based on Corona, Disadvantages of Corona, Radio Interference, Inductive interference between Power and Communication lines, Examples
Unit-8: Over-voltages in Power Systems
Causes of over-voltages, Internal causes of over-voltages, Mechanism of lightning discharge, Types of lightning strokes, Harmful effects of lightning, Protection against lightning, Earthing screen, Overhead ground wires, Lightning arresters, Surge absorber,
Unit-9: Transients in Power Systems
Travelling waves on transmission lines, Open end line, Short circuited line, Line terminated through a resistance, Line connected to a cable, Reflection and refraction at a T-junction, Line terminated through a capacitance, capacitor connection at T, Attenuation of travelling waves.
Capacitance switching, Over-voltages due to arcing ground.
| Syllabus | Download |
|---|---|
| Power System-2 | Click Here |
Power System – 2 Old Papers :
| Year(Winter/Summer) | Question Paper |
|---|---|
| Winter 2020 | Click Here |
| Winter 2021 | Click Here |
Power System – 2 Books :
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