Interested to Buy Any Domain ? << Click Here >> for more details...
in transformers for ex. 100mva and 400kv the secondary
current is about 420 amps but for selection of bushing the
capacity of selected bushing is 2000A why there is such
big difference ?
- 2 Answers
- 4980 Views
- ABB, I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
The insulated leads of secondary from the Tr windings are
taken through hollow rods inside the bushing and connected
at the top.As the rod has to bear the all the mechanical
forces like torsion and strain, the wall has to be thick enough.
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?
why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?
How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?
What kinds of decision are made about CT from it's Knee point(voltage & current)?
what is alluminium arm in ab conductors
When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?
WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .
what is doubling factor in making current of a breaker?
Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method
Can any body tell gulf interview question for experienced electrical engineer ?
how you taken aotitude test
Name two low frequency oscillators?
A low wet bulb temperature indicates
