cause of failure of transformer bushes

Answer Posted / karolson

Transformer bush failure causes include:
1:use of of improper conductor on termination
2:oveheating of transformer either due excessively load or failure of cooling system or internal fault.
3:loose connection on bush
4:oil spillage on bush
5:rust and moisture

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

1526


What Maximam Gap Taibaar & Bush

1831


What difference between ref protection and differential protection ?

1344


What are dependent sources?

672


What are all present producing cost of Per KWH of various Fuel?

2128






How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

1589


Discuss about gear cutting machines.

812


Why synchorised generators are used for the production of electricity?

722


Why is a synchronous motor always star connected??

2126


what is meant by surge? what we called for high currents?

1502


2. What are the parameters of EHT sub-station?

1857


dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai

1562


tell me some type of questions throught which i can prepare for exam and do my best

1560


Write the force balance equation of m ideal mass element.

732


What is pi controller?

676