Interested to Buy Any Domain ? << Click Here >> for more details...
FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER
DIFFERENTIAL PROTECTION DOES NOT OPERATE???
- 10 Answers
- 14283 Views
- I also Faced
- E-Mail Answers
Answer Posted / thiru
transformer differential protection does not operate when
there is out zone fault.because that time two sides of CT's
sense same current. there is no difference of current.so
the relay does not operate.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
Define resonant peak?
can i connect REF and Differencial relay in 1 CT core for transformer protection?
What is electrical grounding?
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
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?
What is mean by STUB protection?
What is a signal flow graph?
i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.
Is there any type of starter for DC motor other than two point,Three point and Four point starters?
When we giving the 3 phase supply to ups system how to coming netural?
Can anybody inform me about the pattern of ECIL GET( Graduate Engineers Trainee) interview for Electrical students? Will there be HR round as well? I thought of preparing for 2 to 3 subjects thoroughly. Will it be sufficient? Please share your thoughts.
Why Ac Systems Are Preferred Over Dc Systems?
would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?
