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
