Power System- II
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Power System- II Syllabus — Unit-wise Content
The official GTU curriculum for Power System- II (subject code 3150911) as prescribed for Electrical Engineering · Semester 5 divides the course into 9 units, covering 74 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3150911)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
- 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
Unit 4 Symmetrical Fault Analysis
- 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
- 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
Unit 6 Unsymmetrical Fault Analysis
- Symmetrical component analysis of unsymmetrical faults
- 07 15 Subject Code: 3150911 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
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
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