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
Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?
The screw thread commonly used for transmission of motion is one of the following types of threads
What is lighting kitts.
WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.
What are the causes for the failures of sandwich type (Al) busducts?
how many parameters can integrate with fire alarm basically ?
what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?
Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..
how is the testing of an REF relay? what are the test REF circuit having?
What is the ratio of true power to apparent power in an ac circuit?
which types of relay used in acb and vcb?
What is VCB? where it is installed at SP. What is SP?
What is making & breaking current ???
how to decide the panel size like MDB ,SMDB PANEL SIZES
what is the string efficiency