check list of maintenance of transformer?
Answer Posted / mohamed fazil
1. check cooling system of transformer and its control circuit.
2. Bushing are cleaned by soft cotton cloth.
3. Take oil sample in drain valve and send its to testing like BDV, Moisture content test,acidity test.
4. Check buchholz relay and its switches(trip switch and float switch).
5. All the terminal boxes should be cleaned.
6.Check oil leakage in transformer and rectify its.
7. Control panels (r&c, RTCC) to be cleaned.
8. Winding resistance check.
9. Insulation resistance check.
10. DGA test carried out in above 132kV transformer for 1 year and below 132kV for two years.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what are the safety measures of induction motor?
What is sensitivity of a measurement?
why all the feeders are designed in a particular manner ... is there any reason for that???
Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?
The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?
Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me
what is rating boiler
12.5 tons a/c is their how much kva generator can recommend to the customer.
if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.
When and where resistance earthing is used ? How to calculate the time constant for earth fault
A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.
What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?
regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?
How one can check the MAIN of a house wiring ?
in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks