why we create vaccume in transformer tank before oil
filteration?
Answer Posted / k.prakashchandra
To dehydrate the windings.In view of high level of water /
moisture content in insulation ,it is recommended to
thoroughly dehydrate the windings by subjecting to vacuum
heating and drying after untanking the oil.Care should be
taken to see that the tank would not buckle due to the vacuum.
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
What are the advantages of a three-phase system over a single-phase system?
what are the applications of PLC?
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent
Why do we use copper cable for HT Supply and why not Aluminium?
Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com
What is the ideal position cooling fan inside the dc motor?
What is the difference between Static and servo controlled voltage stablizer?
The height to which the liquid in a tank to be maintained for a certain constant velocity?
What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
how we can calculate chiller required ampear?
why swityard is necessrry requirement in any bis power distributin systems?
USE OF 8 WAY PAN ASSEMBLY
Difference between megger test equipment and contact resistance meter test instruments?
Yazaki india pvt ltd interview questions qurey related