Power System Analysis I
Course Objective:
The course aim to deliver the basic principle and fundamental analysis techniques for generation, transmission and distribution components of a power system as a first course in power system
- General Background(6 hours)
- Power System Evolution
- Generation, Transmission and Distribution Components
- Energy Sources; hydro, thermal, Nuclear etc.
- Basic introduction to renewable energy; Photovoltaic, Wind, geothermal etc
- Major electrical components in power station; Alternators, transformers, bus bars, voltage regulators, switch and isolators, metering and control panels
- Infinite bus concept
- Voltage levels, AC vs DC Transmission
- Single phase and three phase power delivery
- Overhead & Underground Transmission(8 hours)
- Line supports, spacing between conductors
- Transmission line conductor materials
- Stranded and bundled conductors
- Overhead line insulators, its types
- Voltage distribution along string of suspension insulators, string efficiency
- Classification, construction of underground cables, insulation resistance
- Dielectric stress in single core/multi core cables
- Cable faults and location of faults
- Computational Technique(8 hours)
- Single phase representation of three phase system
- Impedance and reactance diagram
- Single line diagram
- Complex powers
- Direction of power flow
- Per unit system; advantage and applications
- Line parameter calculations(10 hours)
- Inductance, resistance and capacitance of a line
- Inductance of line due to internal & external flux linkages
- Skin & proximity effect
- Inductance of single phase two wire line, stranded & bundled conductor consideration, concept of G.M.R and G.M.D, inductance of 3 phase line; equilateral and unsymmetrical spacing
- Transposition, inductance of double circuit 3 phase lines
- Concept of G.M.R and G. M.D for capacitance calculations
- Capacitance calculations of single phase two wire line, stranded & bundled conductor consideration, capacitance of 3 phase line; equilateral and unsymmetrical spacing, double circuit
- Earth effect in capacitance of a line
- Transmission line modeling(4 hours)
- Classification of a lines based on short, medium and long lines
- Representation of ‘Tee’ and ‘Pi’ of medium lines; calculation of ABCD parameters
- Distributed Parameter model of Long lines; calculation of ABCD parameters
- Equivalent ‘Tee’ and ‘Pi’ of long lines
- Performance Analysis(8 hours)
- Sending and receiving end quantities analysis
- Voltage regulation & efficiency calculation of transmission lines
- Transmission line as source and sink of reactive power
- Real and reactive power flow through lines
- Surge impedance loading
- High capacitance effect of long lines
- Reactive compensation of transmission lines
References:
- Power System Analysis by W.D. Stevension, Tata McGraw Hill Publications
- Modern Power system analysis by I.J Nagrath and D.P Kothari, Tata McGraw Hill Publications
- A text book on Power System Engineering by Chakraborty, M.L. sony, P.V. Gupta et al., Dhanpat rai & Co.
- Electric power Generation, Transmission & Distribution by S.N. Singh, Prentece Hall
Evaluation Scheme:
The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below:
Chapters |
Hours |
Marks Distribution* |
1 |
6 |
10 |
2 |
8 |
12 |
3 |
8 |
16 |
4 |
10 |
16 |
5 |
4 |
10 |
6 |
8 |
16 |
Total |
44 |
80 |
*Note: There may be a minor deviation in Marks distribution
|