Answer Posted / pillay
I wish to add to TANGOS answer.When faults due to insulation breakdown,sparks within the windings or due to insulating oils
properties breakdown which may cause the developments of air within the transformer.This air bubble is used to activate the
BUCKHOLZ relay and trip off the transformer.
Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
How does a battary stores charge in it? please explain in simple manner and in detail.thanks
Why is voltage is required to be within permissible range for an electrical equipment?
what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors
What are the main advantages of bode plot?
hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?
from which formula we select a capacitor rating?
How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
The loads are connected with phase and ground then why current flow as the loads ?
Write the current equation in series RLC circuits.
How will be the single line diagram of series trip HT breaker? how it works?
What is quadrantal symmetry?
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
how generator avr give to the input?
what is the breaking capacity and making capacity of circuit breaker and how