Unit 1 Conventional Generation, Load Curves, Tariffs

8 lecture hours

• Generation scenario in India and Gujarat Steam power station
• Schematic arrangement of steam power station
• Equipment of steam power station
• Hydroelectric power station
• Schematic arrangement of hydro- electric power station
• Constituents of hydro-electric plants
• Nuclear power station
• Schematic arrangement of nuclear power station
• Nuclear reactor
• Gas turbine power plant
• Schematic arrangement of gas turbine power plant
• comparison of various power plants.Load curves
• Important terms and factors
• Load duration curve
• Desirable characteristics of tariff
• Types of tariff
• Numerical problems

Unit 2 Overhead Line Insulators and Mechanical Design of Overhead Transmission

6 lecture hours

• Lines: Insulating material
• Types of insulators
• String efficiency
• Overhead line supports
• Types of steel towers
• Conductor configurations & spacings
• Sag and tension calculations for supports at equal level and unequal level with consideration of effect of ice and wind
• Conductor vibrations – Resonant vibration and Galloping
• Numerical problems

Unit 3 Transmission Line Parameters

13 lecture hours

• Types of line conductors
• Line resistance
• Inductance of a single conductor due to internal and external flux linkages
• Inductance of single phase(two-wire)line
• Flux linkages of one conductor in an array
• Inductance of composite conductor lines
• Inductance of three-phase transmission lines with equilateral spacing
• Transposition of lines
• Inductance of transposed line with unsymmetrical spacing
• Inductance of three-phase double circuit lines
• Line capacitance
• Potential difference between two points due to a charge
• Capacitance of single phase (two-wire) line
• Capacitance of three-phase lines with symmetrical spacing
• Capacitance of three-phase transposed lines with unsymmetrical spacing
• Capacitance of three- phase double circuit lines
• Effect of ground on the capacitance using method of images
• Skin and Proximity effect
• Numerical problems

Unit 4 Underground Cables

• Construction of cables
• Insulating materials of cables
• Classification of cables
• Pressurized cables
• Effective conductor resistance and inductive reactance
• Parameters of cables
• Dielectric stress in single core cable
• Most economical conductor size in cable
• Grading of cables
• Capacitance of three-core belted cables
• Measurement of core to core and core to earth capacitances
• Numerical problems. 06 Page3of6 w.e.f.2024-25 https://syllabus.gtu.ac.in/ Program Name: Bachelor of Engineering Level: UG Branch: Electrical Engineering Subject Code: BE04009041 Subject Name: Power Systems l

Unit 5 Distribution Systems and Power Factor Improvement

• Comparison of various distribution systems
• AC Distribution systems
• Types of primary and secondary distribution systems
• Voltage drop calculations in DC and AC distribution systems
• Kelvins’ law, Power factor improvement
• Power factor improvement equipment
• Calculations of power factor correction
• Most economical power factor
• Numerical problems

Unit 6 Substations and Power System Earthing

6 lecture hours

• Classification of substations
• Symbols of various equipment in substations
• Bus bar arrangements
• Switchyard layout of 132 kV, 220 kV and 400 kV substations
• objective of power system earthing
• Tolerable limits of body currents
• Touch and step potential
• Earthing Grid
• Neutral earthing
• Comparison of isolated neutral and earthed neutral systems
• Types of neutral earthing