check list of maintenance of transformer?
Answer Posted / venki
Answer
# 3 Daily check up
1)Oil level in conservator tank (Main and OLTC)
2)Oil leakages if any
3)Counter rteading of OLTC
4)Sound of Transformer
5)Hourly reading
Querterly Maint.
1)Cleaning of Transformer
2)Note down of Maximum temp of HV LV Wdg. & LV Wdg.
3)Checking of OLTC mechanisum Step by step
4)Tighting of HV & LV connection
5)Checking of gas collection in Bucholz relay, cleaning of
glass cover
6)Operation of cooling fan in manually,remote and auto mode
Yearly Maint: All above quarterly maint point plus
1)DGA Of transformer oil
2)BDV of oil
3)Insulation resistance test
4)Earth resistance test of earth pits of neutral and body
earthing
5)Protection check up
| Is This Answer Correct ? | 38 Yes | 5 No |
Post New Answer View All Answers
what is servo motor & how does it work.
Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?
help me with the question that might be ask on the interview for technical position
What are the conditions to be satisfied for parallel operation of dc generators?
Draw a block diagramof Three UPS systems connected in Parallel mode?
HOW TO REDUCE POWER PLANT AUXILIARY POWER CONSUMPTION?
what are the factors to be considered while design the breaker either HT or LT??
how to calculate insulation level of transformer?
In how we connect watt meter for open & short circuit test of a single phase transformer.
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
work of choke in florocent tube circuit ?
Difference between On Line capacitor and Station Type capacitor.
