B.TechSemester 52022-23Power System IKEE501

Power System I (KEE501) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Power System I Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 5

Session:2022-23

University:AKTU / UPTU

Rate this paper

Questions Asked in 2022-23

Power System I (KEE501) — complete question paper

Section AAttempt all questions in brief. 2x10 = 20

a
List the key features of pri mary and secondary distribution systems in the power system
b
Explain diversity factor in power systems. ( c ) W h a t w i l l b e t h e e f f e c t o f line capacitance for lagging loa d i n t h e m e d i u m transmission line
d
Why the line capacitance is neglected in short transmission lines
e
Explain the effect on sag of transmission line if the height of tower is increased?
f
Explain the factors affecti ng sag of an overhead transmission line
g
Classify various type of s upports used in power transmission lines
h
Describe the uses and ad vantages of bundled conductors. (i) Summarize why metallic sheat h is provided in underground cables. (j) List the different types of insulating materials used in underground cables

Section BAttempt any three of the following: 10x3 = 30

a
A plant having daily energy production and plant factor is 1296 MWhr and 50% respectively. Calculate the maximum rating of the power plant
b
Write short note on the fact ors affecting the “Corona” losses
c
Show that the string efficien cy of a string of suspension insulators is dependent on number of discs in string
d
Show that the inductance of a bundle conductor line is less than that of the line with one conductor per phase with mathematical expression
e
Explain the comparisons betw een overhead lines versus underground cables

Section CAttempt any one part of the following: 10x1 = 10

a
Explain in detail the nucl ear reaction theory and working p rinciple of a nuclear power station with plant layout
b
A hydro-electric power stati on has a reservoir of area 2ꞏ4 square kilometres andcapacity 5 × 10 6 m3. The effective head of water is 100 metres. The penstock, turbine and generationefficiencies are respectively 95%,90% and 85%. (i) Calculate the total electrical energy that can be generated from the power station. (ii) If a load of 15,000 kW has been supplied for 3 hours, find the fall in reservoir level
a
An overhead transmission line operates at 220 kV between phases at 50 Hz. The conductors are arranged in a 5 m delta formation. Calculate the maximum diameter of the conductor that can be used for no corona loss under fair weather conditions. Assume an air density factor of 0.95 and an irregularity factor of 0.85. The critical voltage is 230 kV. Also, find the power loss under stormy weather conditions
b
Drive expression for voltage r egulation and efficiency for short transmission line
a
Explain the calculation proce dure of maximum sag of a transmission line at equal supports including wind pressure loading
b
An overhead line h as the following data: Span length 160 metres, conducto r dia 0.95 cm, weight per unit length of the conductor0.65 kg/metre. Ultimate stress 4250 kg/cm 2, wind pressure 40 kg/m 2 of projected area. Factor of safety 5.Calculate the sag
a
Derive an expression for the capacitance per unit length of a 3 - p h a s e l i n e completely transposed
b
Describe the Inductance calculation procedure of three-phas e double-circuit line with Symmetrical spacing (hexagonal)
a
Explain the grading method of underground cables with mathe matical expressions
b
Explain with a neat sketch , the construction of a 3-core belted type cable

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KEE501

Questions that appeared in more than one session, found by comparing 3 years of Power System I papers (2021-22, 2022-23, 2023-24)

Write short note on the fact ors affecting the “Corona” losses

Appeared in: 2022-23 · 2023-24

Power System I — Other Year Papers

AKTU Power System I PYQs from other sessions

Power System I2023-24 Power System I2024-25 Power System I2021-22

More B.Tech Semester 5 (2022-23) Papers

Other subjects from same semester and session

Electronics Switching2022-23 Computer Integrated Manufacturing2022-23 Modern Construction Materials2022-23 Object Oriented System Design With C++2022-23 Digital Signal Processing2022-23 Finite Element Methods2022-23 Advance Digital Design Using Verilog2022-23 Business Intelligence And Analytic2022-23

View all B.Tech Semester 5 2022-23 papers →

Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

📘 Power System-I — Unit-wise SyllabusBEE501 AKTU 3rd Year Syllabus AKTU 3rd Year PYQs — All Branches ELECTRICAL 3rd Year Syllabus EEE 3rd Year Syllabus ELECTRICAL COMPUTER ENGG 3rd Year Syllabus