UPPCL JE case studies
UPPCL JE · Put your knowledge to work in context.
The UPPCL Junior Engineer (JE) recruitment examination is the selection test used by Uttar Pradesh Power Corporation Limited to fill junior engineer posts across its power distribution and transmission companies. It is aimed at diploma and degree holders in electrical engineering who want a state-sector technical career in power utilities, and the competition is heavy because vacancies attract candidates from across Uttar Pradesh and neighbouring states. The paper is multiple choice and is dominated by core electrical engineering - machines, power systems, measurement, control, electronics and basic electrical theory - with smaller sections on general knowledge and current affairs, reasoning, General Hindi, General English and computer knowledge. Because the technical section carries the bulk of the marks, most serious candidates build their preparation around it and treat the non-technical sections as scoring insurance that should not be left to the final week. The UPPCL JE case studies are 5 cases and about 2,760 words.
1Overloaded 100 kVA Distribution Transformer with Phase Imbalance
At a suburban 11/0.4 kV distribution transformer in Lucknow (100 kVA, ONAN, installed 2007), the feeder JE records a peak demand of 118 kVA at 20:30. Consumer currents are R = 192 A, Y = 171 A, B = 147 A.
602 words, about 3 min2Pump Motor Tripping After Valve Replacement
A 15 kW, 415 V, three-phase, four-pole squirrel-cage motor drives a water-works pump. The nameplate full-load current is 28 A at 0.86 power factor and 89% efficiency.
528 words, about 3 min3Substation Earthing Failure and Touch Voltage Before Energization
A 33/11 kV substation has two 5 MVA transformers and an earth grid of 12 pipe electrodes. In May, an earth tester shows an overall grid resistance of 3.8 Ω.
524 words, about 3 min4Fault-Call Dispatch with a Critical Hospital Load
At 18:40 the 33/11 kV control room logs five calls within 12 minutes. (a) The 11 kV feeder breaker at the substation trips and does not reclose; 1,800 consumers are out.
544 words, about 3 min5Negative Feeder Loss and Shared Excel Register
A junior engineer keeps the subdivision's daily energy register in one Excel workbook on a shared desktop. Columns are Date, Import (kWh), Export (kWh), Loss (kWh) and Loss (%).
562 words, about 3 min