Mid
Semester exam-April-2021
|
Chapter
no |
Content |
Course
Outcome |
|
1 |
Transmission
lines design : Requirements of transmission lines, selection
of voltage for high-voltage transmission lines, choice of conductors, spacing
of conductors, corona, insulators, specifications of transmission lines,
surge impedance loading of transmission lines, electrical design of
transmission lines, main considerations in the mechanical design of
transmission lines, sag-tension relation, stringing of transmission lines,
towers Design of EHV transmission lines : transmission of electric power at
extra high voltage, design considerations of EHV lines, selection and spacing
of conductors, corona, radio and television interference, insulation
coordination, towers |
1 |
|
2 |
Design
of distribution systems : Development of a distribution plan,
transmission and distribution systems, types of distribution systems
arrangements, primary distribution design, secondary distribution design,
distribution substations, calculation of distributor sizes: voltage drops,
voltage regulation, Lamp flicker |
2 |
|
3 |
Design
of power system : Introduction, selection of sizes and
location of generating stations, selection and specifications of transmission
lines, sizes and location of substations, interconnection |
3 |
|
4 |
Power System Earthing :Objectives, definitions, tolerable limits of body currents, soil resistivity, earth resistance, tolerable step and, actual step and touch voltage, design of earthing grid, concrete encased electrodes, tower footing resistance, measurement of earth resistance R, measurement of soil resistivity, impulse behavior of earthing system. |
|
|
5 |
Insulation
Co-ordination: Introduction, definitions,
determination of line insulation, B.I.L and insulation levels of sub-station
equipment, lightning arrester selection, power system overvoltages, tentative
selection of arrestor voltage ratings, selection of arrestor discharge
currents, arrestor discharge voltage, establishment of impulse voltage level
of equipment, protective margin, establishment of separation limits, location
of lightening arrestor |
4 |
|
Sr. No. |
CO Statement |
|
1. |
Design transmission line (electrical and mechanical
aspects) |
|
2. |
Design primary and secondary distribution. |
|
3. |
Selection of sizes and location of generating
stations, substations & explain power system earthing and measurement of
earthing resistance |
|
4. |
Explain the basic concepts of insulation
co-ordination. |
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