what is ground clearence in transmission system.is it varies wit conductor size,height of poles,span.
1 3054Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
1691what happens in the primary side of the transformer if transformer is short circuited first and increasing the resistance of the short circuit gradually?
3 7145what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?
IIT,
1908Post New Electrical Engineering Questions
How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?
What is vacuum circuit breaker.define with cause and where be use it device?
pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .
what is load vs Torque curve & why it is used?
How to discuss the phase shift of transformer considering open delta?
How to design harmonic filter at the project stage without nowing the harmonics levels
what is the difference between the characteristics of two different phase bushing of any transformer
Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.
in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?
Can we use Ccapacitive voltage transformer directly for metering purpose?
how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
What is the equivalent circuit of a transformer and its vector diagram?
How does zener phenomenon differ from avalanche breakdown?
PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?
