check list for anuval maintatince check list of oil
transforms
Answers were Sorted based on User's Feedback
In annual maintenance we check the following points in oil
type transformer
1. We check the die-electric strenth of the oil.
2. We check moisture of the oil.
3. we check Be=reak down voltage of the oil.
4. We check the earthing of the transformer
5. We check Silica gel .
6. We calliberate all the relay like over corrent, earth
fault & differntial relay.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / k.prakashchandra
Inspections- Foundation and pipe connections
.Preventive-Relays and alarm system,earth
resistance,comprehensive oil test
| Is This Answer Correct ? | 1 Yes | 0 No |
wath is skin effect?
In explosive and polluted environments which type of motors do we use?
Is a current transformer step up or step down ?
Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?
neutral carrying current more than phase in 3phase supply.i want to know the reason?
We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?
which course is maximum demand in industry and give me the list of best courses for electrical engineers
What is the advantangeous over SFU (switch fuse Unit) & FsU (Fuse Switch unit) which one is better & application of Both?
Why VL is more than the Vc?
Explain Continuous and Discrete signals?
what is pressure relief valve?where it is used????
what is the importance of neutral in elctrical system?
4 Answers IOCL, Kharafi National,
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)