Power System I (KEE501) - AKTU Question Paper 2023-24
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 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2023-24
Power System I (KEE501) — complete question paper · 100 marks · 3 Hours
- aDifferentiate between renewable and non renewable energy? 2 1
- bWhat is a diversity factor? 2 1
- cWhat is skin effect? 2 2
- dIs corona more in AC or DC? 2 2
- eWhat do you mean by sag template? 2 3
- fDefine the term sag? 2 3
- gWhat do you mean by self GMD & mutual GMD? 2 4
- hWrite the main causes of insulation failure? 2 4 i. Discuss the underground cable losses? 2 5 j. Differentiate between overh ead lines and underground cables? 2 5
- aWhat are the equipments used in sub- station? Discuss them? 10 1
- bState & prove Kelvin’s law for size of conductor for transmissi on line. Discuss its limitations
- cWrite a short note on the f actors that affect sag. 10 3
- dA double circuit single phase line have conductor a 1 & a 2 w h i c h c a r r y t h e current in one direction .Conductor b1 & b2 carry the current in return direction. The diameter of each conductor is 25 mm. Calculate the inductan ce of the line per km if D1=1mt & D2=2mt
- eDiscuss different types of i nsulating materials used in power system? 10 5
- aA generating station has the following daily load cycle : Time (Hours) 0 —6 6 —10 10 —12 12 —16 16 —20 20 —24 Load (M Draw the load curve and find (i) maximum demand (ii) units generated per day (iii) average load (iv) load factor
- bGive the layout of thermal power plant and explain its components in details? 10 1
- aClassify different types of supply system and compare the volum e of conductor DC two wire system and 3-φ 3-wire system?
- bAnalyze the performance of mediu m transmission line (T model). Draw phasor diagram and derive relation for ABCD parameters
- aAn insulator string consists of three units, each having a safe working voltage of 15 kV. The ratio of self-capacitance to shunt capacitance of each unit is 8: 1. Find the maximum safe working voltage of the string. Also find the string efficiency
- bDiscuss different methods of improving string efficiency? 10 3
- aExplain Catenary method for finding the sag in a transmission line? 10 4
- bExplain rigorous method for long transmission line? 10 4
- aDiscuss the inter-sheath grading of cables. What are practical difficulties in the grading of cables?
- bFind the most economical diameter of a single core cable to be used on 66 KV, 3-phase system. If the peak permissible stress is not to exceed 50 KV/m. Also find overall diameter
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 a short note on the f actors that affect sag. 10 3
Appeared in: 2022-23 · 2023-24
Discuss the inter-sheath grading of cables. What are practical difficulties in the grading of cables?
Appeared in: 2021-22 · 2023-24
Find the most economical diameter of a single core cable to be used on 66 KV, 3-phase system. If the peak permissible stress is not to exceed 50 KV/m. Also find overall diameter
Appeared in: 2021-22 · 2023-24
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