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
- 4966 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
How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.
list the advantages of RCCB over other circuit breakers?
Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
Is it possible to connect a safety device in to parallel?
Why Water motor is not taking a load or pressure while everything is correct. (Note: Motor running properly)
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
what is the purpose of shading ring or shading coil in electrical equipments.
1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.
Why does the radius of armature is less than the radius of pole shoe?
What are the factor to be consider for CT selection in 132kV substation?
difine electrical ballast in HPSVL
what is the voltages using in movie theaters??? why ??why not other??
how to calculate the power factor when instantaneous voltage and current has harmonics in it ?
If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses
What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.
