UPRVUNL AE case studies
UPRVUNL AE · Put your knowledge to work in context.
The UPRVUNL Assistant Engineer recruitment is conducted by Uttar Pradesh Rajya Vidyut Utpadan Nigam (UPRVUNL), the state-owned thermal and renewable power generation utility of Uttar Pradesh, to fill Assistant Engineer posts in generation plants and corporate offices. It suits graduate engineers in Electrical, Mechanical, Electronics, Civil or Instrumentation disciplines who want a stable public-sector engineering career in power generation rather than distribution. The UPRVUNL AE case studies are 5 cases and about 4,178 words.
1Repeated Differential Trip While Charging a 50 MVA Station Transformer
At a 2×210 MW thermal station, a 50 MVA, 132/33 kV station transformer (YNd11, OLTC on the HV winding) is charged from a strong 132 kV bus to feed the unit auxiliary buses. On each of the last three chargings it has tripped on transformer differential protection within 50–70 ms of breaker closing, every time with the 33 kV side unloaded.
830 words, about 4 min2Condenser Vacuum Loss with 40 Days Left to the Overhaul
A 210 MW unit is running at 190 MW with both circulating water pumps in service. The condenser vacuum is 682 mm Hg against a design of 710 mm Hg at 28 °C CW inlet.
817 words, about 4 min3Smart Metering Decision Under a Loss-Reduction-Linked Grant
A state generation utility's distribution counterpart plans smart metering of a 42,000-consumer town under a centrally sponsored distribution reform scheme. The sanctioned cost is ₹4,200 per consumer, funded 60% as central grant, 30% as loan at 9% and 10% as utility equity.
800 words, about 4 min4Control-Room Roster with Two Operators Unavailable
A 2×210 MW station control room must be manned by exactly three operators in each of three 8-hour shifts - A (06:00–14:00), B (14:00–22:00) and C (22:00–06:00) - on all seven days of the week. The approved panel is 12 operators, of whom one is on 30 days' medical leave and one is away on a training programme, leaving 10 physically available.
850 words, about 4 min5Rewriting an Ambiguous Bilingual Shutdown Order
15.06.2024 until further orders. All concerned are hereby informed that no leave will be sanctioned during the period except in unavoidable circumstances.
881 words, about 4 min